2021 GMC SIERRA 1500

7 recalls, 740 complaints - 1,597 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

ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Defect Description

General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing d... Read more

Consequence

Engine failure increases the risk of a crash.

Remedy

Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification le... Read more

597,571 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

SEAT BELTS

Defect Description

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts m... Read more

Consequence

If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.

Remedy

GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recal... Read more

470 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

Complaint Statistics

740 total complaints 20 crashes 15 fires 130 injuries

Top Reported Components

Component	Complaints
ENGINE	149
ELECTRICAL SYSTEM	97
POWER TRAIN	74
UNKNOWN OR OTHER	71
STEERING	49
FUEL/PROPULSION SYSTEM	38
SERVICE BRAKES	30
VISIBILITY/WIPER	21
SUSPENSION	17
AIR BAGS	16

Incident date: Aug 4, 2026

Transmission Valve Body failure. - Caused wheels to lockup momentarily and killed the engine with sudden loss of propulsion. Link to video of incident: [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Incident date: Aug 3, 2026

2021 6.2L GMC Sierra Denali. Has the L87 engine that is recalled but yet my truck doesn’t fall under the recall although the recall is for 2021-2024 engines. Everything that the engine recall states is the issue with my truck, I have service report from dealership stating that there is wear/breaka... Read more

Incident date: May 29, 2026

Push on accelerator truck barely would go, shifted hard, codes check engine lights flashing, engine sounded bad

Incident date: Aug 11, 2026

A small drip started approximately 18 months ago from top middle of left side window in rear slider. It was first mistaken as blow by from car wash. Leaking slowly progressed to dripping down middle of both side windows in rear sliders. Leaking progressed to drops coming from under headliner the... Read more

Incident date: Jul 15, 2026

The contact owns a 2021 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the transmission was shuddering, especially while driving uphill. The dealer was contacted, and the vehicle was diagnosed and determined to have a failure associated with a GM TSB for the incorrec... Read more

Incident date: Jun 12, 2026

Engine temp rises way above mid-level and will stay there for several minutes before cooling back down to normal temps. 2 different mechanic shops have told me it's the coolant control valve, but want $2500 to fix it. This service bulletin is for the same year, make, model, and motor as my truck, bu... Read more

Incident date: Jul 30, 2026

P1010 and P2B86 engine code, constant cooling fan on engine. Confirmed by dealership, quoted for coolant control valve. VIN not included in special coverage N252508341 for this known issue. Limited engine power alert, unable to maintain speed on highway. Dangerous condition traveling under speed l... Read more

Incident date: Oct 11, 2025

2021 Harley Davidson Sierra 4WD, 6.2L L87. Started the truck in the morning and immediately heard intermittent, very loud banging noise coming from engine. Shut truck down quickly and had it towed to dealer. Diagnosis was bent pushrods & failed lifters which were replaced under warranty. Factory wa... Read more

Incident date: Oct 11, 2025

Incident date: Jul 17, 2026

The contact owns a 2021 GMC Sierra 1500. The contact stated that while driving approximately 70 MPH, the vehicle suddenly lost motive power, decelerated, and failed to properly accelerate while depressing the accelerator pedal. The check engine warning light was illuminated. After exiting the freewa... Read more

Incident date: Jul 22, 2026

CORRODED GROUNDING STRAP FAILED CYLINDER 5 GLOW PLUG CIRCUIT CRACKED AND SEPARATED EXHAUST BACKPRESSURE VALVE

Incident date: Jul 22, 2026

CORRODED GROUNDING STRAP FAILED CYLINDER 5 GLOW PLUG CIRCUIT CRACKED AND SEPARATED EXHAUST BACKPRESSURE VALVE

Incident date: Jun 29, 2026

The vehicle has about 38000. The warrantee expired about 6 months ago. About three weeks ago I started the engine, it sounded like a cement mixer filled with rocks. I had it taken to my dealer. They investigated the problem and determined that it has bad lifters and bent push rods. The dealer to... Read more

Incident date: Jul 16, 2026

Vehicle: 2021 GMC Sierra SLT | VIN: [XXX] Dealership: Carl Black GMC Roswell, GA (11225 Alpharetta Hwy, 30076) | Invoice #[XXX] | Service Date: [XXX] Paragraph 1 – Suspension Hazard: Dealership diagnosed a worn left upper ball joint (popping sound on left turns) and installed Rough Country afterm... Read more

Incident date: Jul 16, 2026

Incident date: Jun 25, 2026

Incident date: Jun 25, 2026

Incident date: Jun 16, 2026

The contact owns a 2021 GMC Sierra 1500. The contact stated that while driving 35 MPH, the engine was making an abnormal sound, and the vehicle failed to accelerate. The engine was popping and making cranking sounds, with several unknown warning lights illuminated. The vehicle was driven back to the... Read more

Incident date: Jul 11, 2026

I'm not sure if they've pulled it out yet. They said two weeks to get motor. Engine started shaking and then started knocking. Had wrecker take it to GMC dealer they said it needs an engine. It is a 2021 6.2 carbon pro 1500 Sierra AT4 it did not come up on recall list and I don't know why? it obvio... Read more

Incident date: Jul 11, 2026

At 115,000 the coolant control valve has gone out. GM acknowledges this issues in 2020 model trucks. My truck is a 21 and displaying the same characteristics. A simple google search will show this is a known issue in 2021 vehicles as well. In 2020 model trucks GM has provided a special 150,000 m... Read more

Incident date: Jul 16, 2026

P1098 code indicating stuck/ unresponsive engine coolant control valve. N252508341 exists for this part; however claim is my VIN is not covered under the bulletin or included on any standard warranty coverage. Part should last more than 150k miles, vehicle less than 90k. Less than 2 weeks ago suf... Read more

Incident date: Jun 1, 2026

The 10 speed automatic transmission shakes and jumps between gears. The transmission also shakes and rumbles at cruising speeds. The diesel engine version of this truck is already recalled. My truck is a gas engine and should also be recalled. This is the same defective 10 speed transmission used in... Read more

Incident date: Jul 9, 2026

I was driving and my check engine light came on a mile from my house. I drove home and the next morning, I started my truck. It was loud and pulsating like it wanted to stall out. I had it towed to a repair shop. They plugged into the truck and said it was giving code P0016. I had it towed to anothe... Read more

Incident date: Jun 2, 2026

I am submitting supplemental evidence regarding my 2021 GMC Sierra (VIN [XXX]) for Recall Query RQ26001, Campaign 25V-274. Despite multiple repair attempts, my vehicle remains unsafe and non-compliant with GM Service Bulletin N252494002. The recall remedy was performed deficiently. [XXX] Northeast ... Read more

Incident date: Jun 2, 2026

Incident date: Dec 31, 1969

I am extremely disappointed with the way Ford has handled the recall on the rearview camera for my 2016 Ford Escape. I received the recall notice about a year ago. Six months ago, I contacted Chapman Ford and was told the replacement parts were not yet available and that I would be notified when the... Read more

Incident date: Jul 1, 2026

The shift to park is defective on mine and many other GM vehicles. I had it previously repaired under manufacturer warranty and then again in just over 16,000 miles driven which fell outside of the manufacturer warranty. I had to pay out of pocket for the repairs and GM refused to reimburse me for... Read more

Incident date: Jun 4, 2026

The CVT failed at 62 miles per hour on a busy interstate, XXX. This caused the drivetrain to lock. The car has been repaired and traded locally in [XXX]. The car was very difficult to steer with locked wheels in traffic. This was a rapid evasive manuver on a busy interstate. An undrivable vehicle o... Read more

Incident date: Jul 7, 2026

I own a 2021 GMC Sierra AT4 3.0L Duramax (VIN [XXX]). The vehicle has codes P1098 (Coolant Control Valve Performance) and P129F which coincides with the first code. My dealer believes this is consistent with an Engine Coolant Control Valve failure. I understand Special Coverage XXX exists for this i... Read more

Incident date: Jul 7, 2026

The contact owns a 2021 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed, the "Add oil to engine" message was displayed. The vehicle was driven to an AutoZone within two minutes and turned off. Upon inspection of the engine oil level, the contact observed that the dips... Read more

Incident date: May 21, 2026

Dashboard lit up with engine light and stated that there's no compulsion

Incident date: May 21, 2026

Dashboard lit up with engine light and stated that there's no compulsion

Incident date: Jun 30, 2026

Since purchase of my 1500 Sierra 6.2L on 10FEB2021, the vehicle has always appeared to burn an excessive amount of oil which is consistent with GM’s 6.2L engines and has created safety issues leading to sweeping recalls on this engine model from 2021-2024. I have been informed that the engine was ... Read more

Incident date: Jun 26, 2026

Brake light switch failure. Triggering traction control warning light, hill assist warning light, and abs warning light, and disables cruise control. There was previously a recall (NUMBER: WUE-90 NHTSA ID: 19V-149) for the brake light switch for Subaru models with my production date included, but b... Read more

Incident date: Jun 26, 2026

Incident date: Jun 7, 2026

2018 Ford Escape. I have had the car since 12/2024. Less then 22000 miles in it. In this time I have had 4 alignment done. First one was 2 day after getting car. I pulls to the left. Second was 2 weeks after the first one. Then drove my car with a trailer on it to [XXX]. I made it [XXX] and dropped ... Read more

Incident date: Jun 1, 2026

Ford has issued a recall for 2021- Jan 2022 hard tops. Mine is a June 2022 with the same issues but not listed in the recall. This has been a known issue for the life span of the Bronco.

Incident date: Jun 1, 2026

The contact owns a 2012 Honda Civic. The contact stated that the front passenger’s side seat weight sensor failed to operate properly. The contact stated that while the front passenger’s seat was occupied, the air bag enabled warning light was flashing off and on. The contact associated the fail... Read more

Incident date: Jun 1, 2026

Riding the motorcycle in rush hour traffic, it completely lost all power in the fast lane. We had a semi right behind us that almost ran us over. We had to get to the side of the road with no power. We had it towed to the nearest Harley Davidson dealer. The drive belt chewed through the wiring harne... Read more

Incident date: Jun 10, 2026

Vehicle stalled and shut off while driving in moving traffic on multiple occasions, resulting in sudden loss of power steering and brake assist — a significant safety hazard. Battery failed at 32,860 miles (September 2025) with all low voltage codes. Battery replaced by dealer. Vehicle continued t... Read more

Incident date: Apr 1, 2026

I am writing to formally raise a serious concern regarding the functionality of Tesla’s Full Self-Driving (FSD) system. On May 11th, while the vehicle was operating under FSD, I experienced an unexpected disengagement of the system, which then reengaged on its own without any input from me. This e... Read more

Crash

Incident date: Jun 12, 2026

leather wrapped dash panel delaminated from base on passenger side and curls up into windshield area blocking view and possibly obstucting air bag deployment on passenger side.

Incident date: Jun 19, 2026

leather wrapped dash panel delaminated from base on passenger side and curls up into windshield area blocking view and possibly obstucting air bag deployment on passenger side.

Incident date: Jun 18, 2026

Infotainment system has been rebooting and disabling the cars ADAS momentarily. Most recently, this resulted in the car turning itself off while making a turn. Happened a second time while pulling into the dealership on the same day.

Incident date: Jun 18, 2026

I am having the same issue as the GM Safety Recall N232426400 - where it says it is a common issue in 2020-2024 Chevy 1500's (which my truck is a 2022 Chevy). Where the tailgate will drop by itself. I looked into this recall and my truck is not included. However, it just rained heavy and now my truc... Read more

Incident date: Jun 18, 2026

REAR-VIEW CAMERA DOES NOT DISPLAY A VIDEO IMAGE, IF SO, IT IS INTERMITTENT OR HAS LOSS OF IMAGE, AND OR DISTORTED IMAGE.

Incident date: Jun 17, 2026

2021 H-D Pan America charging system (stator and/or rotor) failing per dealer testing. Not covered by warranty or extended warranty. Motorcycle is currently at the dealer awaiting parts. Was advised not to ride it because it could run erratic, shut off unexpectedly (very dangerous), fail to start, e... Read more

Showing 50 of 740 complaints.

NHTSA Safety Ratings, 2021 GMC SIERRA 1500

2021 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, 2021 GMC SIERRA 1500

1,597 manufacturer communications from 782 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
060000 ENGINE AND ENGINE COOLING	236
350000 EQUIPMENT	220
110000 ELECTRICAL SYSTEM	209
100000 POWER TRAIN	123
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	60
060000 ENGINE (PWS)	51
160000 STRUCTURE	49
280000 BACK OVER PREVENTION	42

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 program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.

100000 POWER TRAIN

This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure of the valve body.

353000 EQUIPMENT:ELECTRICAL

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.

160000 STRUCTURE

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

110000 ELECTRICAL SYSTEM

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).

118000 ELECTRICAL SYSTEM:SOFTWARE

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.

350000 EQUIPMENT

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.

110000 ELECTRICAL SYSTEM

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.

353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

This service bulletin provides repair information to correct a customer concerns of Radio Software issues.

350000 EQUIPMENT

This service bulletin provides repair information to correct a customer concerns of Radio Software issues.

110000 ELECTRICAL SYSTEM

This service bulletin provides repair information to correct a customer concerns of Radio Software issues.

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 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.

100000 POWER TRAIN

This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body.

110000 ELECTRICAL SYSTEM

This technical bulletin provides a procedure to program the TCM and replace the control valve body if the conditions are found to be the cause of the failure you the valve body.

045200 SERVICE BRAKES, AIR:DISC:PADS

This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.

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

350000 EQUIPMENT

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

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 informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage.

110000 ELECTRICAL SYSTEM

This informational bulletin provides information for dealers/technicians on Body Control Module Programming due to Window Motor Changes Related to Microprocessor Shortage.

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

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.

132000 VISIBILITY:GLASS, SIDE/REAR

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

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 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

070000 FUEL SYSTEM, GASOLINE

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

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.

030000 BRAKES (PWS)

This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.

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.

100000 POWER TRAIN

This service bulletin advises the technician to check if the transmission cooler lines are twisted to correct customer concerns of Harsh Shift, Shudder, Surge, Stall, Transmission Overheating and/or High Transmission Fluid Temperature.

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.

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.

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 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 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 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.

118420 ELECTRICAL SYSTEM:ADAS:BLINDSPOT: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.

118410 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE

273000 LANE DEPARTURE: BLIND SPOT DETECTION

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

118520 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

106000 POWER TRAIN:AXLE ASSEMBLY

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

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".

118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE

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

100000 POWER TRAIN

110000 ELECTRICAL SYSTEM

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.

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.

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.

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.

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

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.

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 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

100000 POWER TRAIN

353000 EQUIPMENT:ELECTRICAL

This Preliminary information communicates an issue where the vehicles wireless charger no longer works with certain ISO updates on Apple 15 phones and advises customer to update their phone to the lastest ISO update.

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.

350000 EQUIPMENT

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

110000 ELECTRICAL SYSTEM

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

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.

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

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

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

060000 ENGINE AND ENGINE COOLING

This informational bulletin provides Changes to the Automatic Stop/Start feature for Certain 2021 Escalade models, Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon models Equipped with RPO NSS.

Showing 100 of 1,597 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 (current)	7	740
2020	12	660	View
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

2021 GMC SIERRA 1500

Complaint Statistics

Top Reported Components

NHTSA Safety Ratings, 2021 GMC SIERRA 1500

Safety Technology

Technical Service Bulletins, 2021 GMC SIERRA 1500

Most Affected Components

GMC SIERRA 1500 - All Years Overview

GMC SIERRA 1500 - Year by Year

Other GMC Models