2021 GMC SIERRA 2500

6 recalls, 65 complaints - 1,186 TSBs

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

LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH

Defect Description

General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently ... Read more

Consequence

An unlatched tailgate may open while driving and result in a loss of unsecured cargo, creating a road hazard and increasing the risk of a crash.

Remedy

Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer se... Read more

570,434 vehicles affected

Manufacturer: General Motors, LLC

SERVICE BRAKES, HYDRAULIC:POWER ASSIST:ELECTRIC:CONTROL MODULE

Defect Description

General Motors, LLC (GM) is recalling certain 2021-2022 Chevrolet Silverado 2500, Silverado 3500, GMC Sierra 2500, and Sierra 3500 vehicles with electronic brake control modules (EBCM) replaced during vehicle assembly. The bolts that attach the brake pressure modulator valve (BPMV) assembly may not... Read more

Consequence

Water in the BPMV may cause an electrical short circuit and increase the risk of fire.

Remedy

Owners are advised to park outside and away from other structures until the recall repair is completed. Dealers will replace the BPMV assembly, free of charge. Owner notification letters were mailed on October 20, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC custom... Read more

3,241 vehicles affected

Manufacturer: General Motors, LLC

TIRES:TEMPORARY/EMERGENCY SPARE TIRE

Defect Description

General Motors, LLC. (GM) is recalling certain 2020-2021 Chevrolet Silverado 2500 and GMC Sierra 2500 vehicles equipped with a 17" spare tire (RPO ZHQ or ZXT) and either the 20" accessory road tire (RPO REM) or the 18" accessory road tire (RPO Q2V). Operating the spare tire with other 20" or 18" ti... Read more

Consequence

An ABS system that cannot control the rear wheels independently increases the risk of a crash.

Remedy

Dealers will provide the appropriate spare tire and apply a new spare tire information label, free of charge. Owner notification letters were mailed on October 18, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; GMC customer service at 1-800-462-8782. GM's number for this r... Read more

86 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

Complaint Statistics

65 total complaints 3 crashes 5 fires 1 injuries

Top Reported Components

Component	Complaints
UNKNOWN OR OTHER	6
ELECTRICAL SYSTEM	6
ENGINE	5
SERVICE BRAKES	5
AIR BAGS	5
POWER TRAIN	4
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING	3
STEERING	3
ENGINE AND ENGINE COOLING	3
STRUCTURE:BODY	2

Incident date: May 23, 2026

The left rear internal "top-hat" parking brake shoes suffered a total manufacturing bonding failure, causing the friction lining to completely delaminate and detach from the metal backing plates inside the rotor hub. This triggered Diagnostic Trouble Code (DTC) C060B (Left Park Brake Actuator Circui... Read more

Incident date: Jul 26, 2026

After finishing a long drive south, I shut the engine off and a yellow engine code popped on. I connected my computer to it and revealed a P129F code (fuel pump control module). I have noticed that other GMC models have been included in a recall concerning this problem. The 2021 GMC 2500 Denali s... Read more

Incident date: Dec 16, 2025

The contact owns a 2019 Chevrolet Silverado 1500. The contact stated that while driving 25 MPH and approaching a red traffic light, the vehicle stalled. There was an oil message flashing on the screen instructing the driver to pull over. The vehicle was towed to an independent mechanic, and the cont... Read more

Incident date: Dec 16, 2025

The contact owns a 2025 Forest River Cedar Creek Trailer. The contact stated that the trailer failed the annual Pennsylvania Inspection in November 2025 due to bent rear axle springs, primarily affecting the driver’s side rear axle spring assembly. The trailer was equipped with two axles. The cont... Read more

Incident date: Dec 16, 2025

Incident date: Apr 12, 2026

We keep getting an error message that shows we need to service DEF SYSTEM, it also started to limit my MPH and is now locked at 55 MPH. initial check of the DEF SYSTEM shows a malfunctioning module. it has been happening over the last year to 18 months. they would reset it or it would sometimes go a... Read more

Incident date: Apr 23, 2026

For the second time the service high voltage system warning has came on first time it was updated the dealership said now it’s back on again A/C not working properly

Incident date: Apr 22, 2026

Digital and physical speedometers show different values and increasing deviate from radar reported speed.

Incident date: Jan 1, 2023

I would like to file a complaint against Jeep. I drive a 2022 Jeep Grand Cherokee 4XE with 16,000 miles. While driving to the Store, the electronic parking brake engaged while driving. This caused braking system damage. Jeep / Manufacturer are refusing to reimburse me. The total cost was: $9,1... Read more

Incident date: Mar 5, 2026

Drivers door latch is failing to engage properly making it so the door can not closed right away. No matter how you close the door it always pushes right back open sometimes the door will semi latch but still poses the hazard of opening while driving. It has been inspected by the dealer to confirm t... Read more

Incident date: Jan 26, 2026

Transmission failed. This is the third transmission in this car, which only has 130,000 miles and has been well-maintained. This transmission failure happened in a busy downtown area with evening traffic (lower visibility, lots of cars, lots of people, lots of angry and impatient drivers as car stop... Read more

Incident date: Oct 1, 2025

Brakes seize up while driving and then cannot move the vehicle. This causes a dangerous situation while driving and then breaks lock up and cannot move car even though vehicle is on and then stopped for a stop light. Car must then be turned off and sit for about 30 minutes so it can unseize and when... Read more

Incident date: Nov 30, 2025

On several occasions, my Tesla Model Y has braked for no reason while using Traffic Aware Cruise Control as well as when using Autopilot. I can re-create this situation on the same parts of the highway. The sudden, uncommanded stopping creates a hazardous situation with the cars being me as I may ... Read more

Incident date: Oct 8, 2025

2019 Ford Escape 1.5L EcoBoost. 74,000 miles. Check engine light came on out of nowhere. Had auto shop read the code and it was a misfire of cylinder 3 and needed ignition coil and spark plug replaced. A few days later the message "High Engine Temperature, Stop Safely" came on and the engine tempera... Read more

Incident date: Oct 6, 2025

While driving on the freeway at normal speed, the glass sunroof shattered. There were no other cars around and we were out in the open, not driving under an overpass or anything. It was an 80 degree day, sunny and not windy.

Incident date: Jan 16, 2025

I recently found out about a Ford recall regarding the backup cameras malfunctioning which did not include my vehicle even though my vehicle is showing the unsafe defect. The backup camera goes fuzzy/glitchy as well as black sometimes while backing up.

Incident date: Jul 26, 2025

I experienced a brake failure this past weekend in my 2025 Chevrolet Equinox EV LT while descending a dirt/stone road. The moment we started descending, the ABS system engaged and did not brake the car adequately. In my opinion, the ABS system should not have engaged in this terrain. The ABS, would ... Read more

Incident date: Mar 1, 2025

The contact owns a 2016 Jeep Cherokee. The contact stated while driving approximately 45 MPH, the "Service 4x4" warning light illuminated. The contact stated that the vehicle was taken to a local dealer who informed the contact that the PTU software needed to be updated. The vehicle was repaired; ho... Read more

Incident date: Apr 2, 2025

The contact owns a 2022 Honda CR-V. The contact stated while driving at an undisclosed speed, the steering wheel failed to function as intended. The contact stated that after making a turn, the steering wheel was stuck and was difficult to turn. Additionally, the contact stated that the failure occu... Read more

Incident date: Mar 15, 2025

Steering initially sticks when attempting to change lanes and "grabs" when going straight. Has occurred numerous times, whenever we drive the car.

Incident date: Aug 12, 2024

The contact owns a 2014 Ford Explorer. The contact stated that while the vehicle was turned off, there was an abnormal dinging sound heard. The instrument panel lights were dimmed. While driving at approximately 40-45 MPH and depressing the accelerator pedal, the vehicle drove roughly. There were no... Read more

Incident date: Feb 3, 2025

While driving my kids home from the school the vehicle stark jerking and kicking in the back while I was accelerating. Then the vehicle stopped shifting gears. I pulled to the side of the road turned off the car, turned it back on and it worked fine. I have this incident twice in two years. Second... Read more

Incident date: Jan 30, 2025

Every time I am on a two lane road and am navigating a right hand curve at any speed and a white car or truck is in oncoming traffic, in their lane, the vehicle alerts me to brake. The system beeps and flashes BRAKE! on the instrument panel. This happens each time as if the cameras are not calibrate... Read more

Incident date: Jan 30, 2025

This is the 3rd or 4th time I have observed sudden unexpected acceleration when at a full stop at a light while using FSD Supervised (v13.2.7 just updated). It first happened 2 or 3 times on FSD v13.2.6 when mine was the lead car at stop lights. This time I was at a stop light but obviously not the ... Read more

Incident date: Feb 12, 2025

The stop/start feature will randomly not restart after a stop at a stop sign in traffic. The defect is totally random so it cannot be replicated by the dealer. I have struggled with this problem for years and have not had a crisis because I usually shut off the stop start feature to avoid this syste... Read more

Incident date: Dec 20, 2024

The infotainment system stops working and goes blurry. The dash where the speed is shown goes black. Blind sport monitoring on the passenger side does not work. I almost got into an accident today because of this.

Incident date: Jan 18, 2024

On December 23rd, my 2014 Nissan Sentra lost all acceleration power while driving. The car was then towed to a nearby independent service center where they discovered a faulty transmission. I was made aware of the CVT Transmission recall by Nissan and I believe this is the issue with my car. I would... Read more

Incident date: Jan 18, 2024

The Power Steering failed on a 2011 ford fusion se. The recall supposedly ended after 150k miles and I’m 150 miles over and they refused to do it which is shady. Never had a issue until I passed the certain mileage.

Incident date: Nov 28, 2024

steering wheel locks into the direction of turning (sometimes more than needed for the corner) and causes over-steering at all speed (from 20mph to 45mph). at low speed the steering can be forced to turn back, but at higher speed such as onramp or offramp, after fighting the oversteering, the steeri... Read more

Incident date: Nov 28, 2024

Incident date: Nov 9, 2024

The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that while driving at low speeds, the vehicle lost motive power struggling to produce enough power to propel itself on a slight incline. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, ... Read more

Incident date: Nov 21, 2024

The original Porsche leather upper dashboard has shrunk, causing exposed staples, and rippling of the leather , including rippling and bunching of the leather that is covering the passenger dash airbag assembly. I have been informed that in the event of an accident causing airbags to deploy, the pa... Read more

Incident date: Nov 21, 2024

Incident date: Oct 1, 2024

The contact owns a 2019 Ram 2500. The contact stated that the check engine warning light was illuminated. The vehicle was serviced under NHTSA Campaign Number: 21V880000 (FUEL SYSTEM, DIESEL); however, the repair failed to fix the vehicle. The contact stated that the check engine warning light remai... Read more

Incident date: Jan 11, 2024

With less than 500 miles on the vehicle, while stopped at a stoplight, the vehicle automatically shifted from drive to park and had to be restarted in order to accelerate forward. Check engine light also came on. When stopped at the same light again moments later, the same thing occurred. These even... Read more

Incident date: Jul 19, 2024

The contact owns a 2019 Ford Expedition. The contact stated that occasionally while her husband drives at various speeds, the vehicle would fail to accelerate as intended when depressing the accelerator pedal. In addition, the contact stated the rear truck door had fallen on her husband's head a few... Read more

1 injured

Incident date: Jul 22, 2024

Now on Sunday August 11th at 6:08pm driving home from store with no charge on jeep at all, not in hybrid only gas, the jeep died in the middle of the road, it abruptly stopped with no warning, my body jerked forward and when I pushed down gas pedal there was nothing. There was no type of warning bef... Read more

Incident date: Aug 13, 2024

The contact owns a 2015 Ford C-Max. The contact stated while driving at an undisclosed speed, the contact noticed a failure with the transmission. The contact stated that the vehicle would downshift with the transmission warning light illuminated. The vehicle was towed to the dealer where the vehicl... Read more

Incident date: Aug 13, 2024

While driving and approaching a stop, the vehicle would not stop when gradually pressing on the brake. The only way to stop the vehicle was to SLAM on the brake. When I would brake entering a parking lot, the vehicle would continue and would not slow down as I applied pressure on the brake until I s... Read more

Incident date: Aug 13, 2024

The contact owns a 2019 Toyota Highlander. The contact stated that while driving approximately 65 MPH the vehicle began to loose automotive power and stalled. During the incident, several warning messages were activated which included the check engine light and the ABS warning. While inspecting the ... Read more

Fire

Incident date: Sep 1, 2023

Steering column module is intermittently not working as intended, therefore the blinkers will sometimes not work causing it to be a safety concern if I can not signal where I am going. When looking this issue up online I have seen numerous different forums and posts where people have had the same is... Read more

Incident date: Apr 1, 2024

Front Passenger Safety Restraint System Fault requiring replacement of airbag and passenger seat sonsor retrofit. If not replaced a danger of airbag failure to deploy. Problem confirmed with dealer and inspected by manufacturer. Warning light appeared to bring car in for repair

Incident date: Mar 20, 2024

Recall 23V215 has been open for a year with no remedy in sight. The vehicle's front passenger seat is critical to transporting my family from place to place as our other vehicle does not fit our entire family. We are forced to unsafely operate our VW Atlas on occasion, significantly increasing risk ... Read more

Incident date: Mar 7, 2024

The detective reported that the 2022 Jeep Wrangler spontaneously caught on fire. The contact stated that after the owner parked the vehicle, approximately six hours later a fire occurred which started in the engine compartment of the vehicle. The fire department was called to the scene and extinguis... Read more

Fire

Incident date: Feb 14, 2024

The contact owns a 2020 Ford Fusion. The contact received notification of NHTSA Campaign Number: 23V440000 (Electrical System) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The... Read more

Incident date: Feb 2, 2024

Sometimes when you're driving, the rear cargo door opens on its own. Sometimes it opens completely and stuff falls out. I took it to the dealership and they kept it 2 days. Since it didn't happen to them they won't do any repairs. I looked online and in the ecosport forums many people are having thi... Read more

Incident date: Jan 28, 2024

ABS and traction control light came on, when faults were pulled, active fault # C0020-01. After contacting dealer, Service department stated it is due to faulty ABS module and Hydraulic control unit in 2017 and 2018 models. Parts are on national back order with no available ETA.

Incident date: Jan 28, 2024

Incident date: Aug 6, 2023

The contact owns a 2016 Kia Sorento. The contact stated after pulling into the driveway, he noticed an abnormal burning oil odor. The contact stated that he inspected the engine compartment and underneath the vehicle, but no oil leak was found. The contact stated the failure recurred several times w... Read more

Incident date: Nov 9, 2023

The contact owns a 2013 Ford F-250. The contact stated that the front driver's side window was distorted due to the manufacturer's solar-tinted window. The contact was unable to view the driver's side mirror while the window was rolled up. The sticker label on the front driver's side window listed F... Read more

Showing 50 of 65 complaints.

NHTSA Safety Ratings, 2021 GMC SIERRA 2500

2021 GMC Sierra 2500 PU/CC 4WD

Category	Rating
Rollover Risk	0.0%

Safety Technology

Feature	Status
Electronic Stability Control	Standard
Forward Collision Warning	No
Lane Departure Warning	No

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 2500

1,186 manufacturer communications from 557 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
350000 EQUIPMENT	186
060000 ENGINE AND ENGINE COOLING	168
110000 ELECTRICAL SYSTEM	157
100000 POWER TRAIN	96
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	55
080000 FUEL SYSTEM, DIESEL	51
060000 ENGINE (PWS)	33
200000 WHEELS	31

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.

170000 LATCHES/LOCKS/LINKAGES

Customer Satisfaction Program. As a remedy for Safety Recall N232426400, certain vehicles had the liftgate exterior release switch assembly disabled. This Customer Satisfaction Program provides the final repair to restore the function of

170000 LATCHES/LOCKS/LINKAGES

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

020000 SUSPENSION

This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).

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

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.

030000 BRAKES (PWS)

This Preliminary information communicates an issue with clearing DTC: C15DD and how to rest the average release time to clear DTC.

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).

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.

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.

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.

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 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 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 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

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.

273000 LANE DEPARTURE: BLIND SPOT DETECTION

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.

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

118420 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS

118510 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SOFTWARE

118520 ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS

118410 ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE

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".

100000 POWER TRAIN

This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.

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

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 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

190000 TIRES

This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" w

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.

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

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.

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.

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

100000 POWER TRAIN

This Preliminary information communicates that the tool for the HD transfer cases to install the input seal during a repair is incorrect and a new tool is in development.

100000 POWER TRAIN

This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.

350000 EQUIPMENT

This technical bulletin provides a procedure to inspect the front pump of the transmission for a possible leak.

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.

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.

160000 STRUCTURE

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

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).

350000 EQUIPMENT

This service bulletin provides a Diagnostic Tip for Noise, Vibration, and/or Harshness Issues/Clunk Noise Heard During Coast Down Event after the transfer case was removed from the transmission and reinstalled during a recent repair.

100000 POWER TRAIN

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.

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

100000 POWER TRAIN

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

353600 EQUIPMENT:ELECTRICAL:INFOTAINMENT

This PI states that a vehicle may exhibit a concern of the cross traffic alert indicators not displaying on the radio screen. While this is a customer dissatisfier, it does not pose a safety concern due to the fact that the customer will st

120000 EXTERIOR LIGHTING

This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.

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.

210000 TRAILER HITCHES

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

071000 FUEL SYSTEM, GASOLINE:STORAGE

This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating

114005 ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL

This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup o

120000 EXTERIOR LIGHTING

This Preliminary information provides information to the technician on installing a roof beacon light. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 157. The information can be found a

110000 ELECTRICAL SYSTEM

This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.

110000 ELECTRICAL SYSTEM

This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).

Showing 100 of 1,186 bulletins.

GMC SIERRA 2500 - All Years Overview

Complete safety history for the GMC SIERRA 2500 across all model years (1997, 2026).

117 Total Recalls

2,282 Total Complaints

0 Investigations

115 Reported Crashes

60 Reported Fires

3 Reported Deaths

GMC SIERRA 2500 - Year by Year

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

Year	Recalls	Complaints
2026	1	14	View
2025	1	35	View
2024	4	135	View
2023	1	39	View
2022	3	53	View
2021 (current)	6	65
2020	9	107	View
2019	7	40	View
2018	5	46	View
2017	6	51	View
2016	5	77	View
2015	6	100	View
2014	2	39	View
2013	3	57	View
2012	3	39	View
2011	4	81	View
2010	5	11	View
2009	5	37	View
2008	3	78	View
2007	3	98	View
2006	3	78	View
2005	4	159	View
2004	4	175	View
2003	3	193	View
2002	4	164	View
2001	5	171	View
2000	3	63	View
1999	2	42	View
1998	3	19	View
1997	4	14	View
1994	0	2	View

Other GMC Models

Model	Recalls	Complaints
SIERRA 1500	233	10,607	View
YUKON	224	6,198	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 2500

Complaint Statistics

Top Reported Components

NHTSA Safety Ratings, 2021 GMC SIERRA 2500

Safety Technology

Technical Service Bulletins, 2021 GMC SIERRA 2500

Most Affected Components

GMC SIERRA 2500 - All Years Overview

GMC SIERRA 2500 - Year by Year

Other GMC Models