2020 GMC Sierra 2500: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2020 / gmc / sierra-2500
known issues7 clusters (reviewed 2026-08-27)
complaints74 on file (2019-11-27 → 2026-09-05)
recalls9
investigations1
fars28 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Transmission failure and rear-wheel lockupPOWER TRAIN24 complaints2024-03 → 2026-03sierra-2500-2020-transmission-lockup
  • 11671648 The contact stated that while her husband was driving 30 MPH, the rear wheels locked up and the vehicle skidded to a complete stop. No warning lights were illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the transmission
  • 11679851 The contact stated that while driving approximately 70-80 MPH, the transmission downshifted, and the rear wheels locked up. The contact was able to coast to the side of the road. The contact was unsure if a warning light had illuminated
  • 11603243 Well, we ended up having a problem with our transmission in our 2020 truck. I am the wife and I was driving down the highway and all of a sudden the truck started bucking and went down to 35 mph
Rear sliding window water leakSTRUCTURE4 complaints2023-09 → 2025-05sierra-2500-2020-rear-window-leak
  • 11660995 Cracks in the rear sliding window plastic upper rail glass guide causing Rear window leaking water and causing mold from water leaking. GMC has a service bulletin number 18-NA-383 knowing of this issue and not telling customers purchasing the GMC vehicle
  • 11595742 The contact owns a 2020 GMC Sierra 2500. The contact stated that when the vehicle was parked, the contact's husband noticed that rainwater had entered the rear interior of the vehicle. The contact stated that the rainwater had entered through the rear sliding window
  • 11556481 The rear window of my 2020 GMC Sierra developed major water leaks across the entire window in 2021. GM has documented this issue with a service bulletin and the dealership has documented their resolution to the first repair under warranty
Tire tread separation at highway speedTIRES2 complaints2022-08 → 2023-12sierra-2500-2020-tire-tread-separation
  • 11560290 I was travelling south bound on the highway at 70 mph when out of no where the left rear tire failed. The tread peeled back like an alligator skin and tore apart the side of my truck and caused me to fishtail all over the highway
  • 11477512 The contact owns a 2020 GMC Sierra 2500 equipped with Goodyear Tires, Tire Line: Wrangler Trail Runner, Tire Size: LT275/65/R20, DOT Number: PJ0TJB1V 2319
Trailer brake controller alerts and failureELECTRICAL SYSTEM, SERVICE BRAKES3 complaints2022-03 → 2024-09sierra-2500-2020-trailer-brake-controller
  • 11615574 I HAVE A 5TH WHEEL WITH SOLAR AND MY BRAKE CONTROLER STOPS WORKING PERIODICALLY. I HAVE A CASE# WITH GM 9-13676268071
  • 11529539 When towing a trailer a notice to service trailer brakes comes on and the trailer brakes are disabled
  • 11456261 Service Trailer Brake System Alert constantly going off
Battery drain causing no-start or limp modeELECTRICAL SYSTEM4 complaints2020-09 → 2023-01sierra-2500-2020-battery-drain-no-start
  • 11382789 WENT OUT TO MY VEHICLE THAT HAS BEEN SITTING IN MY DRIVEWAY FOR 24 HOURS AND ATTEMPTED TO UNLOCK IT WITH THE KEY FOB. NOTHING. TRIED THE OTHER FOB. NOTHING. USED THE KEY TO UNLOCK THE DOOR AND GET IN TO PUSH BUTTON START AND NOTHING
  • 11499881 There is an issue that is causing the batteries to die. This in return causes the Vehicle to go into Limp home mode with no warning. The "issue" was supposed to be resolved by the Dealer in March 2022
  • 11360146 2020 GMC SIERRA DENALI DURAMAX 3000 MILES TRIED TURNING ON TRUCK THIS MORNING TO GO TO WORK AND WOULD NOT EVEN CRANK IT IS A PUSH START OPTION HAVE NO CLUE ON HOW IM GOING TO TAKE IT TO THE DEALERSHIP IF I CANT GET IT OF PARK INTO NEUTRAL FOR A TOW TRUCK AT LEAST !
Premature brake pad wear and overheatingSERVICE BRAKES3 complaints2020-09 → 2021-02sierra-2500-2020-brake-pad-wear
  • 11360930 TL* THE CONTACT OWNS A 2020 GMC SIERRA 2500. THE CONTACT STATED THAT WHILE DRIVING AND TOWING A TRAILER, SHE DISCOVERED THAT THE BRAKES WERE OVERHEATING. THERE WAS A STRONG BURNING HOT ODOR COMING FROM THE BRAKES
  • 11390937 BRAKES SINCE NEW SQUEELED. TOOK TO DEALER AND DEALER SAID IT WAS NORMAL. HAVE HAD THE TRUCK ABOUT 11 MONTHS NOW. DEALER STATED GM NOW USES A DIFFERENT PAD MATERIAL AND I WOULD HAVE TO PAY FOR IT AT A COST OF CLOSE TO $1,000 TO REPLACE THE PADS
  • 11361606 MY BRAKES ARE SQUEAKING VERY LOUDLY THEY HAVE BEEN SINCE AUGUST. I WAS DRIVING DOWN THE ROAD ON US1 AND PREPARED TO STOP TO MAKE A TURN AND MY TRUCK WOULD NOT STOP
DEF system failure triggering limp modeFUEL/PROPULSION SYSTEM3 complaints2022-02 → 2022-03sierra-2500-2020-def-system-failure
  • 11456825 DEF tank system failure. Vehicle is under warranty, 18 months old, (purchased 08/20) with 20,000 miles. 6 WEEKS AGO I took to dealer who informed me that there are no DEF tanks available and don't know when they will be available
  • 11454084 DEF Emission system failure. Total component breakdown requiring replacement. Parts unavailable
  • 11457481 DEF system failed. Wire harness burned out. Tank failure. Truck went into limp mode. I personally know 3 others with the same issue

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
742019-11-272026-09-0513POWER TRAIN:22; UNKNOWN OR OTHER:16; ELECTRICAL SYSTEM:13; SERVICE BRAKES:12; ENGINE:10

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
20V14200012/03/2020LATCHES/LOCKS/LINKAGES:HOOD:LATCHGeneral Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The hood-latch striker wires may not have been heat-treated properly, possibly causing them to fracture.If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash.GM will notify owners, and dealers will replace the hood assembly, free of charge. The recall began April 13, 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 N192284960.
21V57800029/07/2021TIRES:TEMPORARY/EMERGENCY SPARE TIREGeneral 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" tires can prevent the Anti-Lock Braking System (ABS) from engaging.An ABS system that cannot control the rear wheels independently increases the risk of a crash.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 recall is N212329780.
20V79200017/12/2020SEAT BELTSGeneral 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 frame in the front-row center seating position.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.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 at 1-800-222-1020. GM's number for this recall is N202314670.
20V44600030/07/2020AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATORGeneral 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 crimped to the inflator and could separate from the inflator during air bag deployment.If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.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 this recall is N202305380.
19V81400014/11/2019SEAT BELTS:PRETENSIONERGeneral 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 in the pretensioner bracket, possibly igniting the carpet.A vehicle fire could result if materials ignite inside the vehicle.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.
20V32400004/06/2020STRUCTURE:BODY:HOODGeneral Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles previously recalled under 20V-142. Some of the vehicles in 20V-324 were not part of Recall 20V-142 but received defect parts during another service (typically during collision repair). The hood-latch striker wires on replacement hoods installed for Safety Recall 20V-142 may not have been heat-treated properly, possibly causing them to fracture.If a striker wire fractures, the hood may open unexpectedly while driving, increasing the risk of a crash.GM will notify owners, and dealers will replace the hood assembly, free of charge. For hoods sold over the counter, dealers will contact customers with instructions for hood replacement. The recall began July 7, 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 N202306490.
24V06000001/02/2024LATCHES/LOCKS/LINKAGES:TAILGATE:LATCHGeneral 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 unlatching while the vehicle is in park.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.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 service at 1-800-462-8782. GM's number for this recall is N232426400.
24V79700024/10/2024POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWAREGeneral 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 cause the rear wheels to lock-up.Rear wheel lock-up can increase the risk of a crash.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, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.
26V08300012/02/2026POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWAREGeneral 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 lock up.Rear wheel lock up increases the risk of a crash.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. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.

Investigations all years →

action_numberstatussubjectcomponentsopenedclosedrecall_campaignsummary
PE21010closedAir Bag MalfunctionAIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE2021-04-092023-08-24·On April 9, 2021, the Office of Defects Investigations (ODI) opened PE21-010 to investigate instances of air bag malfunction indicator light (MIL) illumination and potential for frontal air bag non-deployment in several vehicles manufactured by General Motors (GM). The vehicles included model year (MY) 2020 through 2021 CT4 and CT5 passenger cars, Sierra and Silverado trucks (1500/2500/3500 models), XT4 and MY 2021 Escalade, Suburban, Tahoe, Yukon SUVs.Technical Service Bulletin (TSB) 21-NA-005, issued in March 2021, addresses air bag MIL illumination with diagnostic trouble codes (DTCs) B0001

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-202428legacy-code0

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2020 GMC Sierra 2500 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2020/gmc/sierra-2500
@misc{wrenchpro_2020_gmc_sierra_2500_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2020 GMC Sierra 2500},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2020/gmc/sierra-2500}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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