2020 GMC SIERRA 1500

12 recalls, 660 complaints - 1,814 TSBs - 4/5 safety rating

POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY

Defect Description

General Motors, LLC is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to l... Read more

Consequence

Rear wheel lock up increases the risk of a crash.

Remedy

Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560.... Read more

1,055 vehicles affected

Manufacturer: General Motors, LLC

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE

Defect Description

General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and caus... Read more

Consequence

Rear wheel lock-up can increase the risk of a crash.

Remedy

Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 202... Read more

463,295 vehicles affected

Manufacturer: General Motors, LLC

TIRES:TEMPORARY/EMERGENCY SPARE TIRE

Defect Description

General Motors (GM) is recalling certain 2019-2021 GMC Sierra 1500 and Silverado 1500 vehicles equipped with certain accessory road tires and a 17" spare tire. The 17" spare tire provided with the vehicle is not compatible for use with the accessory wheels, which can cause the anti-lock brake syste... Read more

Consequence

An ABS system that does not function properly can increase the risk of a crash.

Remedy

Dealers will provide a new 17" spare tire and wheel assembly that is compatible with the accessory wheels, free of charge. Dealers will also apply a new spare tire information label, and provide owners with an owner's manual insert clarifying which spare tire to use with the accessory road tires a... Read more

626 vehicles affected

Manufacturer: General Motors, LLC

TIRES

Defect Description

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental ... Read more

Consequence

Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.

Remedy

GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac cus... Read more

33,838 vehicles affected

Manufacturer: General Motors, LLC

SEAT BELTS

Defect Description

General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat fram... Read more

Consequence

If a seat-belt bracket is not secured, the seat belt may not properly restrain an occupant in the front-row center seat position, increasing the risk of injury in a crash.

Remedy

GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service... Read more

624,216 vehicles affected

Manufacturer: General Motors, LLC

TIRES

Defect Description

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

Consequence

Overcured tires may experience a carcass break in the sidewall resulting in a sudden air loss or could develop a belt edge separation which could lead to partial or full tread/belt loss. Either condition increases the risk of a crash.

Remedy

GM will notify owners, and dealers will inspect vehicles and replace tires that have DOT number and production mold number combinations identified by Continental, free of charge. The recall began December 17, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service a... Read more

7,516 vehicles affected

Manufacturer: General Motors LLC

POWER TRAIN:DRIVELINE:DRIVESHAFT

Defect Description

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 and 2020 Chevrolet Silverado 2500 trucks. One of the driveshaft joints may not have been properly welded, causing the driveshaft to separate while the vehicle is moving.

Consequence

If the driveshaft separates, there may be a loss of propulsion, increasing the risk of crash.

Remedy

GM will notify owners, and dealers will replace the driveshaft, free of charge. The recall is expected to begin December 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N202314870.

42 vehicles affected

Manufacturer: General Motors LLC

AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

Defect Description

General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly cr... Read more

Consequence

If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.

Remedy

GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for ... Read more

769 vehicles affected

Manufacturer: General Motors LLC

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Defect Description

General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The bolts used to attach the front and/or rear brake calipers may have not been heat treated and may break under load.

Consequence

Broken caliper bolts can reduce brake performance or interfere with wheel rotation and increase the risk of a crash.

Remedy

GM will notify owners, and dealers will replace the brake caliper bolts, free of charge. The recall began March 23, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-866-522-9559. GM's number for this recall is N202294420.

20,352 vehicles affected

Manufacturer: General Motors LLC

ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES

Defect Description

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have been manufactured with excessive glue, potentially causing an intermittent electrical connection between the B+ cable and alternator.

Consequence

An intermittent electrical connection between the B+ battery cable and the alternator could cause the vehicle to stall, increasing the risk of a crash. The intermittent connection could also lead to electrical arcing, which could generate sufficient heat to damage surrounding material, increasing t... Read more

Remedy

GM will notify owners, and dealers will inspect for the presence of glue or other contamination at the B+ cable attachment to the alternator and clean the connection and reattach the B+ cable connection, as necessary. If arcing has damaged the cable, nut, or alternator, the dealer will replace the ... Read more

350,371 vehicles affected

Manufacturer: General Motors LLC

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Defect Description

General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.

Consequence

Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.

Remedy

GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall began December 18, 2019. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-888-988-7267. GM's number for this recall i... Read more

502 vehicles affected

Manufacturer: General Motors LLC

SEAT BELTS:PRETENSIONER

Defect Description

General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet floor covering. When the front seat belt pretensioners deploy, hot gas may vent through an opening... Read more

Consequence

A vehicle fire could result if materials ignite inside the vehicle.

Remedy

GM will notify owners, and dealers will close off the opening in the pretensioner bracket, free of charge. The recall began December 13, 2019. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N192270600.

556,399 vehicles affected

Manufacturer: General Motors LLC

Complaint Statistics

660 total complaints 27 crashes 13 fires 23 injuries

Top Reported Components

Component	Complaints
ENGINE	115
ELECTRICAL SYSTEM	86
POWER TRAIN	85
UNKNOWN OR OTHER	54
SERVICE BRAKES	49
STEERING	48
FUEL/PROPULSION SYSTEM	25
SUSPENSION	21
AIR BAGS	16
VEHICLE SPEED CONTROL	15

Incident date: Aug 9, 2026

I was driving doing about 60 mph. All of a sudden the engine stopped and the truck just coasted. I was able to find a safe spot on the side of the road and pull over. Called a tow truck and had it taken to the GM dealership nearby. The trucks engine was just fixed in October of 2025 for the camsh... Read more

Incident date: Jul 31, 2026

"While driving, the vehicle suddenly experienced a flashing check engine light, an Electronic Stability Control (ESC) warning light, and violent steering wheel vibrations. The vehicle suffered a severe loss of power and misfired, creating an immediate traffic hazard. The dealership diagnosed the iss... Read more

Incident date: Jul 31, 2026

Incident date: Jul 22, 2026

The truck starting making a ticking noise within 24 hours the check engine light was on and it starting shuttering. I got it to the dealership were they informed me of lifters failure, and catastrophic engine failure. Dealer is recommending replacing engine since it's a 2020 and not part of recall.

Incident date: Jul 1, 2026

My truck shudders when driving. It has 78,000 miles on it. It started shuttering around 73,000 miles. I baby my truck and don't do switch backs or hot rod around.

Incident date: Jul 22, 2026

I brought my truck into a certified GM dealer for recall work on the ground strap. I left the dealership and multiple lights came on dash: check engine light, service ecs, traction control, service parking brake, steering assist reduced. 7 minutes later the engine began miss firing. The dealer asked... Read more

Incident date: Jul 2, 2026

My truck transmission beed jerking off and on for over a year. One time it lose power when i was driving and could have caused an accident. I took it to the dealership and they said i new a new transmission for $12000. Something just doesn’t seem right about this! I brought a brand new truck thats... Read more

Incident date: Jul 12, 2026

The contact’s mother-in-law owns a 2020 GMC Sierra 1500. The contact stated that while her brother-in-law was starting the vehicle, the brake, service engine, and engine warning lights illuminated and the vehicle failed to start. The contact stated that the failure was associated with NHTSA Action... Read more

Incident date: Jul 12, 2026

Incident date: Jul 2, 2026

For a few months- the ABS light, Downhill assist light, and Slippery road light have all been on. Read it could be due to a bad sensor. Then on Saturday July 4th, I turned the car on and the Ebrake light was on but my ebrake was NOT initiated. Car was making a low humming noise on front passenger si... Read more

Incident date: Sep 1, 2025

The cam shaft bearing failed under normal driving conditions. Many of the service engine lights including brakes and primary service engine light came on after the cam shaft bearing failure. The engine was replaced by a GM dealership at 65,000 miles and was inspected to determine the cam shaft beari... Read more

Incident date: Jun 1, 2026

The shift to park sensor is broken. It will keep my vehicle on and beeping for hours saying “shift to park” although my vehicle is in park and shut off.

Incident date: Dec 15, 2025

The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving 10 MPH and pulling into a parking lot, the sun gear and the drive shaft fractured. The vehicle became inoperable. The vehicle was pushed to a safe place. The check engine warning light illuminated after the failure. The ... Read more

Incident date: Jun 19, 2026

The contact owns a 2018 Jeep Wrangler. The contact stated that while driving 20 miles away after an hour, the vehicle lost power steering and power braking functionality, and the transmission unexpectedly downshifted to a lower gear. The vehicle was turned off. The check engine warning light was ill... Read more

Incident date: May 10, 2026

I own a 2021 Toyota Highlander with approximately 93,000 miles. The vehicle developed transmission symptoms including whining noise. A Toyota dealer diagnosed internal transmission failure and recommended complete transmission replacement at a cost of approximately $9786.31. Toyota declined repair a... Read more

Incident date: Jun 15, 2026

Enterprise rented me a jeep wrangler that was unsafe to drive and had a fire recall and then I had to drive it 148 miles to exchange it myself.

Incident date: Jun 9, 2026

I woke about 6am this morning and when i looked outside i noticed my vehicle was turned on Independently and there were several warning lights and the gear shift was not lite up and the Stop/Start System was on as well as the warning malfunction see owners manual i turned the vehicle off turned it b... Read more

Incident date: Apr 28, 2026

-I was driving down into an indoor basement level garage very slowly as there is a steep incline. It descends from street level to basement level within a distance of approximately 30 to 35 ft. At the end of the incline is a sharp curve to the right, followed by a sharp left turn to proceed straig... Read more

Crash 1 injured

Incident date: Apr 28, 2026

Crash 1 injured

Incident date: Apr 28, 2026

The contact owns a 2025 Hyundai Palisade. The contact stated that while driving at an undisclosed speed, the contact heard a loud sound and noticed that the sunroof had unexpectedly exploded. The vehicle was taken to the dealer, where it was not diagnosed or repaired. The manufacturer was not made a... Read more

Incident date: Feb 11, 2026

Transmission, going towards home up a mild hill, broke top of hill trans shifted to next gear, rear wheels locked up and tires squealed. doing around 40 mph. Took it directly into the shop, and the trans was destroyed inside. broken parts in the pan. Trans could not be repaired, had to get a n... Read more

Incident date: Feb 11, 2026

Incident date: May 30, 2026

Fire started under passenger side front seat dashboard when rear defrost was turned on.

Fire

Incident date: May 28, 2026

I again have noticed intermittent pulsing at low to medium speeds. At roughly 1k-2k rpm the engine at or about 10-20 mph is pulsating or hesitating with an obvious pulse which you can see on the tachometer as well (bouncing.) It seems like there is either a computer, fuel flow or electric issue. Als... Read more

Incident date: May 28, 2026

Incident date: Mar 28, 2026

My engine suffered an internal catastrophic event, and needs to be replaced

Incident date: May 23, 2026

Good evening, I want to formally document what happened today regarding my GMC Sierra after I brought it to the dealership on Friday morning for transmission concerns that I had already reported. At that visit, the vehicle was inspected, and I was informed that the truck was still safe to drive whi... Read more

Incident date: May 15, 2026

2020 GMC sierra 1500 infotainment system including navigation,OnStar and voice command, stoped working on Friday May 15th with no prior warning. These systems are integral for modern safe travel and severely affects the value and driver confidence in the vehicle. It seems to be running mechanically ... Read more

Incident date: May 12, 2026

A known problem with these trucks is ground strap failure. I was driving and all the sudden lost power steering which almost caused an accident. There is a customer satisfaction program N252515590 that covers 2019-2024 trucks but mine was not included in this for some reason. I did have the truck f... Read more

Incident date: May 7, 2026

Sitting at a red light and when the light turned green, the engine made a noise and lost power while trying to cross the intersection. The check engine light came on along with some other lights. It was then towed to a mechanic and the engine had to be replaced due to failure of the lifters. The... Read more

Incident date: May 8, 2026

The contact stated that while driving on the highway, a loud noise was heard. The vehicle's sunroof had shattered with glass getting on the contact as well as in the vehicle. The dealer was contacted but the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The ... Read more

Incident date: May 10, 2026

The contact owns a 2021 Audi A6. The contact stated while driving at an undisclosed speed, the vehicle overheated. The engine overheating and the low coolant warning light illuminated. In addition, the engine seized. The vehicle was taken to the dealer where it was diagnosed with a coolant leak and ... Read more

Incident date: May 7, 2026

When driving down the highway, my power steering went out with zero warning or indicators leading up to it going out. Upon researching, this is a problem that many people have experienced with this make and model of vehicle.

Incident date: Apr 15, 2026

The Auto Idle Stop feature caused the engine to shut down twice, both times at a stoplight

Incident date: Apr 30, 2026

The contact leased a 2025 Hyundai Ioniq 5. The contact stated that while driving at 25 mph, the battery warning light, reduced power warning light, and an unknown warning light depicting a vehicle with an exclamation mark illuminated. Additionally, a "stop vehicle and check power supply" message app... Read more

Incident date: Apr 30, 2026

Vehicle Shudders under load with harsh/jerky shifts especially when downshifting as the vehicle slows down. Sometimes there is a hard bang when downshifting from 4 to 3. The 10R80 transmission has a reputation for these issues. I took it into the Ford dealer for service and they found that the TCC s... Read more

Incident date: Jun 16, 2025

on my way home Friday evening from work. After exiting the expressway , I made a right turn on the street going towards my house. My steering wheel locked to the right and almost caused me to run into another car. If I had not be driving slow than the speed limit or still on the expressway, this w... Read more

Incident date: Mar 4, 2022

The contact owns a 2026 GMC Terrain. The contact stated that while attempting to depress the accelerator pedal after coming from a complete stop, the vehicle started wobbling. A dealer was contacted. The vehicle was taken to the dealer to be diagnosed; however, the diagnostic result was unknown. The... Read more

Incident date: Apr 16, 2026

The Power Conversion System (PCS) in the Tesla Cybertruck is experiencing a high rate of hardware-level failure (specifically the PCS2 module) that poses three distinct safety risks beyond the loss of AC charging. Loss of Steer-by-Wire Integrity: The Cybertruck utilizes a full steer-by-wire system ... Read more

Incident date: Apr 16, 2026

Incident date: Apr 14, 2026

Power steering failure

Incident date: Dec 1, 2025

Hard shifts from 10R80 Transmission in 2022 f150, I’ve had a lot of hard shifts especially in lower gears, clunking sounds and skipping gears every so often, the 10R80 transmission should be recalled in all fords and have the updated parts in them, it is unacceptable to have these kind of trucks t... Read more

Incident date: Apr 18, 2026

First purchased this car from a dealership in 2023, used at128,051 miles. Did not have any problems with it in the first year I would say. Then suddenly while driving down the road the epc light would come on limiting my speed to 4,000 rpm. It would come on and off also causing my check engine light... Read more

Incident date: Apr 18, 2026

The contact owns a 2020 Honda CR-V. The contact stated that while driving in a parking lot and depressing the brake pedal, there was a clunking sound coming from the braking system before the brakes became inoperable. The contact forcefully depressed the brake pedal, and the vehicle eventually came ... Read more

Incident date: Mar 30, 2026

The front lateral links, compliance links, and stabilizer bar link on my 2018 Tesla Model 3 Long Range failed and required replacement in January 2026. Prior to failure, abnormal creaking and clunking noise from the front suspension began appearing weeks before the repair — no warning lights illum... Read more

Incident date: Mar 30, 2026

Incident date: Feb 17, 2026

See attached document for complaint.

Showing 50 of 660 complaints.

NHTSA Safety Ratings, 2020 GMC SIERRA 1500

2020 GMC Sierra 1500 PU/CC 4WD

Category	Rating
Overall Rating	4 / 5 ★★★★☆
Frontal Crash	4 / 5 ★★★★☆
Frontal Crash, Driver	4 / 5 ★★★★☆
Frontal Crash, Passenger	4 / 5 ★★★★☆
Side Crash	5 / 5 ★★★★★
Side Crash, Driver	5 / 5 ★★★★★
Side Crash, Passenger	5 / 5 ★★★★★
Rollover	4 / 5 ★★★★☆
Rollover Risk	19.8%

Safety Technology

Feature	Status
Electronic Stability Control	Standard
Forward Collision Warning	Optional
Lane Departure Warning	Optional

Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.

Technical Service Bulletins, 2020 GMC SIERRA 1500

1,814 manufacturer communications from 875 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
350000 EQUIPMENT	275
060000 ENGINE AND ENGINE COOLING	259
110000 ELECTRICAL SYSTEM	254
100000 POWER TRAIN	124
060000 ENGINE (PWS)	89
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	76
160000 STRUCTURE	61
356000 EQUIPMENT ADAPTIVE/MOBILITY	56

060000 ENGINE AND ENGINE COOLING

The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.

200000 WHEELS

This service bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).

110000 ELECTRICAL SYSTEM

This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.

110000 ELECTRICAL SYSTEM

This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.

030000 SERVICE BRAKES, HYDRAULIC

This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.

350000 EQUIPMENT

This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

200000 WHEELS

This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

160000 STRUCTURE

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

110000 ELECTRICAL SYSTEM

This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

162510 STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

353000 EQUIPMENT:ELECTRICAL

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

160000 STRUCTURE

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

110000 ELECTRICAL SYSTEM

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

111000 ELECTRICAL SYSTEM:12V/24V/48V BATTERY

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

350000 EQUIPMENT

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

118000 ELECTRICAL SYSTEM:SOFTWARE

This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.

160000 STRUCTURE

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on submitting quality Photos of Various Vehicle Concerns to the GM Technical Assistance Center (TAC).

060000 ENGINE AND ENGINE COOLING

This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause of the concerns related to the MIL or the engine running rough.

350000 EQUIPMENT

This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.

081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY

This informational bulletin provides information on availability for a locking gas cap for trucks are operated in high amount of dirt or dust which can migrate to the filler cap area.

350000 EQUIPMENT

This technical bulletin provides repair information to correct a customer concern of U170 Radio Software Update.

110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of U170 Radio Software Update.

118000 ELECTRICAL SYSTEM:SOFTWARE

This Preliminary information communicates a Radio software update resolution for OnStar LED Red And Wifi Hotspot Inoperative After Remote Vehicle Start concern.

060000 ENGINE AND ENGINE COOLING

This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels shou

110000 ELECTRICAL SYSTEM

This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.

100000 POWER TRAIN

This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.

060000 ENGINE AND ENGINE COOLING

This bulletin advises the tech to inspect deeper into what may be the main cause of an engine failure.

350000 EQUIPMENT

This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.

350000 EQUIPMENT

This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).

110000 ELECTRICAL SYSTEM

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarily on hold while PIE0572 is active. PIE0572 has now ended

132000 VISIBILITY:GLASS, SIDE/REAR

This technical bulletin provides a procedure to correct the condition of Suction Cup Marks on Window Glass.

080000 FUEL SYSTEM, DIESEL

This bulletin advises the tech that there are extra characters on the fuel injector and to ignore the last numbers when identifying flow rate.

353000 EQUIPMENT:ELECTRICAL

This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.

120000 EXTERIOR LIGHTING

This Preliminary information communicates to the dealers information related to a Malfunction Indicator Lamp (MIL) Illuminated During Cold Ambient Temperatures with DTCs P30C3 and/or P30BF P30C7 P30CB Setting.

120000 EXTERIOR LIGHTING

This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To cl

070000 FUEL SYSTEM, GASOLINE

060000 ENGINE AND ENGINE COOLING

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This service bulletin provides information on All hazmat parts being returned to the Warranty Parts Center (WPC) must be shipped using Central Transport. Hazardous materials should never be sent by air transportation to the WPC.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without R

980000 UNKNOWN OR OTHER

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

100000 POWER TRAIN

This Preliminary information communicates to have the dealer contact TAC with the transmission TUN number prior to transmission installation.

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of Evaporative DTCs P0442, P0446, P0455 or P0449, Caused by Dust Intrusion into the Evaporative Canister.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a procedure to replace the valve lifter and guides to correct customer concerns of Poor Engine Performance, Engine Misfires, Malfunction Indicator Lamp (MIL) Illuminated - DTC P0300, P0301, P0302, P0303, P0304

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

162500 STRUCTURE:BODY:TAILGATE

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

170000 LATCHES/LOCKS/LINKAGES

This technical bulletin provides a procedure to correct the condition of Inadvertent/Unwanted Tail Gate Opening.

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.

060000 ENGINE AND ENGINE COOLING

This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. Temporarly on hold while PIE0572 is active. PIE0572 has now ended a

100000 POWER TRAIN

This Preliminary information communicates Diagnostic aids for a no start or DTC'S following a transmission replacement

060000 ENGINE AND ENGINE COOLING

This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.

118520 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

This Preliminary information communicates information on how to disable the Side Blind Zone Detection and Park Assist systems when a customer removes the pickup box from the vehicle to install an aftermarket bed or body.

118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE

118420 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

118410 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE

273000 LANE DEPARTURE: BLIND SPOT DETECTION

260000 FORWARD COLLISION AVOIDANCE

This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".

106000 POWER TRAIN:AXLE ASSEMBLY

This Preliminary information communicates how to isolate a tick noise from the rear axle housing.

251000 ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC)

This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

350000 EQUIPMENT

This service bulletin helps diagnose/reduce possible CCND issues on Transfer Cases - Service 4WD on DIC, Intermittent Failures, Noise Concerns, Driveline/Steering Vibration/Shudder, Intermittent DTCs/MIL Illuminated, Engagement/Disengagemen

110000 ELECTRICAL SYSTEM

100000 POWER TRAIN

010000 STEERING

060000 ENGINE AND ENGINE COOLING

This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.

110000 ELECTRICAL SYSTEM

This service bulletin provides a repair procedure to correct customer concerns of Service Emissions System Displayed on DIC, MIL Illuminated with DTC P249C and/or P20E8 Set.

060000 ENGINE AND ENGINE COOLING

This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

070000 FUEL SYSTEM, GASOLINE

This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.

030000 BRAKES (PWS)

This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides a procedure to program the Reductant Control Module and Setup and Perform the Reductant Fluid Tank Level Reset.

100000 POWER TRAIN

This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle

060000 ENGINE AND ENGINE COOLING

353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

This Preliminary information communicates to dealers of a known issue with failed map update

162500 STRUCTURE:BODY:TAILGATE

This Preliminary information communicates an issue where the minor tailgate will not open due to an aftermarket device installed on the vehicle.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

138000 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

This Preliminary information communicates an issue with poor heater performance and advises dealerships to inspect the heater core inlet and outlet hoses for being twisted or kinked.

110000 ELECTRICAL SYSTEM

This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitte

110000 ELECTRICAL SYSTEM

This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.

350000 EQUIPMENT

This service bulletin provides information on the EL-52800 Diagnostic & Charge Battery Station (DCBS) a?? FAQs.

350000 EQUIPMENT

This service bulletin assists technicians in setting up PicoScope hardware/software to monitor CAN bus traffic (voltage patterns) to aid Technical Assistance (TAC) and Field Service Engineers (FSEs) in diagnosing electrical issues present o

110000 ELECTRICAL SYSTEM

060000 ENGINE AND ENGINE COOLING

Special Coverage. Certain vehicles may have a condition that could cause the enginea??s cylinder 2 glow plug to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble

060000 ENGINE AND ENGINE COOLING

This service bulletin provides Information on Purge Pump Part Replacement and Purge pump Part Number Interchangeability.

110000 ELECTRICAL SYSTEM

This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.

060000 ENGINE AND ENGINE COOLING

This technical bulletin provides repair information to correct a customer concern of 2020 - 2022 Silverado and Sierra Equipped with Diesel Engine Setting DTCs P20BB or P20C3.

160000 STRUCTURE

This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

100000 POWER TRAIN

This service bulletin advises the technician that the possible cause may not be from a faulty clutch piston or extension housing and to perform testing on transmission for other possible issues, but it still may be possible on high mileage

160000 STRUCTURE

This preliminary informational (PI) bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.

060000 ENGINE AND ENGINE COOLING

This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.

060000 ENGINE AND ENGINE COOLING

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

100000 POWER TRAIN

This PI bulletin advises the technician on the proper way to install the pistons in an engine.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Di

Showing 100 of 1,814 bulletins.

GMC SIERRA 1500 - All Years Overview

Complete safety history for the GMC SIERRA 1500 across all model years (1997, 2026).

142 Total Recalls

11,307 Total Complaints

0 Investigations

456 Reported Crashes

165 Reported Fires

15 Reported Deaths

GMC SIERRA 1500 - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2026	2	110	View
2025	1	146	View
2024	1	455	View
2023	3	571	View
2022	6	728	View
2021	7	740	View
2020 (current)	12	660
2019	10	882	View
2018	7	422	View
2017	5	473	View
2016	7	445	View
2015	9	925	View
2014	9	1,029	View
2013	3	147	View
2012	3	149	View
2011	5	364	View
2010	4	216	View
2009	4	280	View
2008	2	439	View
2007	3	310	View
2006	2	182	View
2005	3	218	View
2004	5	253	View
2003	4	210	View
2002	4	192	View
2001	5	171	View
2000	3	215	View
1999	4	182	View
1998	4	68	View
1997	5	100	View
1996	0	7	View
1995	0	3	View
1994	0	15	View

Other GMC Models

Model	Recalls	Complaints
YUKON	224	6,198	View
SIERRA 2500	169	2,217	View
SIERRA 3500	161	730	View
YUKON XL	157	2,899	View
SAVANA	142	448	View
SIERRA	133	4,904	View
ACADIA	84	7,520	View
JIMMY	71	3,791	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2020 GMC SIERRA 1500

Complaint Statistics

Top Reported Components

NHTSA Safety Ratings, 2020 GMC SIERRA 1500

Safety Technology

Technical Service Bulletins, 2020 GMC SIERRA 1500

Most Affected Components

GMC SIERRA 1500 - All Years Overview

GMC SIERRA 1500 - Year by Year

Other GMC Models