2020 Chevrolet Silverado 1500
Problems, recalls and owner-reported issues
Engine is the leading concern among 731 owner complaints filed for this model year. This is the 7th highest complaint count among 19 Silverado 1500 model years with reports.
Of the 2020 reports, 13 involved a crash and 9 involved a fire. 12 people were injured.
What owners report most often
Recalls and investigations
Power train, automatic transmission, control module, softwareFeb 12, 2026
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 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.
Campaign 26V083000 on NHTSA.gov
Power train, automatic transmission, control module, softwareOct 24, 2024
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 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.
Campaign 24V797000 on NHTSA.gov
Tires, temporary/emergency spare tireDec 16, 2021
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 system (ABS) to not function properly under certain conditions.
An ABS system that does not function properly can increase the risk of a crash.
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 and with the 17" original tires. Owner notification letters were mailed February 7, 2022. Owners may contact GM customer service at 1-800-462-8782 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212346510.
Campaign 21V985000 on NHTSA.gov
TiresFeb 25, 2021
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Campaign 21V115000 on NHTSA.gov
Seat beltsDec 17, 2020
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 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.
Campaign 20V792000 on NHTSA.gov
TiresNov 5, 2020
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.
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.
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 at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202319030.
Campaign 20V684000 on NHTSA.gov
Power train, driveline, driveshaftOct 22, 2020
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 and 2020 Chevrolet Silverado 2500 trucks. One of the driveshaft joints may not have been properly welded, causing the driveshaft to separate while the vehicle is moving.
If the driveshaft separates, there may be a loss of propulsion, increasing the risk of crash.
GM will notify owners, and dealers will replace the driveshaft, free of charge. The recall is expected to begin December 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-888-988-7267. GM's number for this recall is N202314870.
Campaign 20V650000 on NHTSA.gov
Air bags, side/window, curtain, inflatorJul 30, 2020
General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly 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.
Campaign 20V446000 on NHTSA.gov
Service brakes, hydraulic, foundation components, disc, caliperFeb 27, 2020
General Motors LLC (GM) is recalling certain 2020 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles. The bolts used to attach the front and/or rear brake calipers may have not been heat treated and may break under load.
Broken caliper bolts can reduce brake performance or interfere with wheel rotation and increase the risk of a crash.
GM will notify owners, and dealers will replace the brake caliper bolts, free of charge. The recall began March 23, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-866-522-9559. GM's number for this recall is N202294420.
Campaign 20V116000 on NHTSA.gov
Electrical system, 12v/24v/48v battery, cablesDec 12, 2019
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks. The battery positive (B+) cable rings may have been manufactured with excessive glue, potentially causing an intermittent electrical connection between the B+ cable and alternator.
An intermittent electrical connection between the B+ battery cable and the alternator could cause the vehicle to stall, increasing the risk of a crash. The intermittent connection could also lead to electrical arcing, which could generate sufficient heat to damage surrounding material, increasing the risk of a fire.
GM will notify owners, and dealers will inspect for the presence of glue or other contamination at the B+ cable attachment to the alternator and clean the connection and reattach the B+ cable connection, as necessary. If arcing has damaged the cable, nut, or alternator, the dealer will replace the damaged components. All services will be performed free of charge. GM issued owners an interim notification on February 4, 2020. GM issued second notice and the recall began March 9, 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 N192273510.
Campaign 19V888000 on NHTSA.gov
Fuel system, gasoline, delivery, fuel pumpNov 21, 2019
General Motors LLC (GM) is recalling certain 2020 Cadillac Escalade, Escalade ESV, Chevrolet Camaro, Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles. The fuel pump may be missing a pressure regulator, allowing for over-pressurization of the fuel system.
Over-pressurization can crack the fuel pump and cause leaks, increasing the risk of a fire in the presence of an ignition source.
GM will notify owners, and dealers will replace the fuel pump, free of charge. The recall began December 18, 2019. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-888-988-7267. GM's number for this recall is N192283991.
Campaign 19V837000 on NHTSA.gov
Seat belts, pretensionerNov 14, 2019
General Motors LLC (GM) is recalling certain 2019-2020 Chevrolet Silverado 1500 and GMC Sierra 1500, and 2020 Silverado 2500, Silverado 3500, Sierra 2500, and Sierra 3500 vehicles equipped with carpet floor covering. When the front seat belt pretensioners deploy, hot gas may vent through an opening 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.
Campaign 19V814000 on NHTSA.gov
Representative owner complaints
731 reports, newest first.
Power train, Jan 12, 2026
Transmission bucks and truck just stops for no reason.
Electrical system, Engine, Fuel/propulsion system, Jan 12, 2026
What happened: In mid-December 2025, my 2020 Silverado 1500 (VIN: [XXX] ) suffered a catastrophic failure of the DEF Tank Assembly (P/N 84914535) at 29,354 miles—less than 30% of its warranted life. This is a latent design defect involving undersized terminal pins that suffer thermal degradation and melt the connector during high-amperage heater operation in arctic conditions (Ref: GM TSB 21-NA-006). Component Availability: The failed assembly is held at the dealership. I have submitted a "Part Preservation Request" to ensure it is available for forensic inspection by federal regulators. Safety Risk: The failure triggers an EPA-mandated "Limp Mode," initiating a software-forced reduction in speed. Unexpectedly losing speed on high-speed, icy Alaskan highways—where roadside snowbanks prevent safe egress—creates an extreme risk of rear-end collisions. Furthermore, a vehicle restricted to 5 MPH or rendered inoperable in temperatures of -30F to -50F poses a direct, life-threatening risk of cold-weather exposure in remote areas. Confirmation: Failure was confirmed by Lithia Chevrolet GMC of Fairbanks on Jan 7, 2026. GDS2 diagnostic verified DTCs P20B9, P20C1, P205D, and P204C. Data was reviewed by the GM District Manager of Aftersales (DMA) and GM Customer Assistance (Case #[XXX]). Warning Symptoms: Check Engine lamp and "Service Emission System" message appeared in mid-Dec 2025, followed by a "Speed Limited" countdown. The electrical disconnect was abrupt due to terminal pin melting, as documented in my forensic engineering report. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Electrical system, Engine and engine cooling, Jan 12, 2026
The contact owns a 2020 Chevrolet Silverado 1500. While operating in negative (-41°F) degree winter conditions, the "Service Emission System" entered an EPA-mandated speed limitation in LIMP Mode messages were displayed. Dealer diagnostics confirmed DTC: P20B9 (Heater Control Circuit Open) and P20C1. The failure was identified as the melting of the Diesel Exhaust Fluid (DEF) tank electrical connector due to undersized terminal pins overheating (Joule heating). The contact stated that it was a latent design defect that posed a fire risk and a safety hazard due to sudden loss of motive power in arctic climates (-45°F). General Motors acknowledged the defect in 2500HD models, Special Coverage: N212342980; but excluded the 1500 models. The failure mileage was 29,354.
Power train, Jan 7, 2026
I own a 2020 Chevy Silverado 1500, the truck currently has 51,400 miles on it. I started noticing a vibration while driving home from work that continued to get worse. After some quick online research I learned that the torque converter on the newer Chevy and GMC trucks is a weak point in their assembly. This is a very common issue and complaint for owners. The manufacturer has done nothing to resolve it or honor repairs on the defective product. My truck was one month out of the 5 year/60,000 mile warranty, they would not honor repairs because it was outside of the time window. The internal parts break up and destroy a transmission. Luckily i caught it early enough before it caused my transmission to fail while driving. I do not have the part with me. I took the truck to a shop for repairs and they did not return the defective part. No warning lights came on the dash.
Engine and engine cooling, Jan 2, 2026
The contact owns a 2020 Chevrolet Silverado 1500. The contact stated that while his son was driving 75 MPH, there was a knocking sound coming from the vehicle. The driver pulled over and turned the vehicle off, but the vehicle failed to restart. The check engine warning light was illuminated. Upon researching the failure, the contact associated the failure with NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling). The vehicle was towed to the local dealer, where it was diagnosed and determined that the engine had seized. The vehicle was not repaired. The manufacturer was contacted and confirmed that there was no recall coverage on the VIN for the failure. The failure mileage was approximately 165,000.
Other or unspecified, Dec 29, 2025
6L80 transmission shift flared when shifting from 2nd to 3rd gear and shuddered when driving at 45 - 50 mph and about 1400 rpm’s. The Torque Converter Clutch was spasming out causing the the torque converter to shudder which caused the torque converter to overheat at 250 degrees therefore exploding the torque converter that shot metal inside of the transmission blowing it up.
Power train, Electrical system, Other or unspecified, Dec 28, 2025
Bad shuttering, slow acceleration, clunking noise, check engine light flashing all started while driving home. Took it to a transmission shop and they said it was the TC and transmission. I then called the dealership to see if there was a recall, and looked up any recalls. Since I have had fluid flushed and changed, and still have the problems. This has been an on going problem for a couple of years now. It was just out of warranty for dealership to fix. It started while I was on a highway and had very poor acceleration control.
Engine, Dec 23, 2025
The 6.2L engine failed. The same as the 2021-2024 recalls.
Engine and engine cooling, Dec 16, 2025
The contact owns a 2020 Chevrolet Silverado 1500. The contact stated that while driving approximately 65 MPH, the vehicle started to hesitate with several unknown warning lights illuminated. The contact stated that there was a misfire in the engine, and her husband pulled off the roadway and turned off the vehicle. The vehicle was restarted and driven back to the residence at speeds no greater than 50 MPH. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the left engine lifters had collapsed and needed to be replaced. The contact was advised by the dealer that the right-side engine lifters should be replaced while the engine was disassembled. The vehicle was not yet repaired. The manufacturer was informed of the failure. The failure mileage was approximately 96,000.
Engine, Dec 15, 2025
The truck had a lifter failure which caused the pushrod to bend damaging the camshaft as well. I spent $5000 dollars just for the problem to happen again. I’ve have spent nearly $10000 on this issue. This not something you expect from a truck that you pay nearly $60000 for.
Steering, Dec 14, 2025
Intermittent and sudden loss of power steering. The only message displayed briefly then went out was “service trailer brake controller”. Brought vehicle to Dealership. The grounding strap behind the front right wheel that goes to the frame (Earth Strap) was rotted. This seams to be a very common problem with this model truck and is dangerous.
Engine, Dec 11, 2025
Engine Failure 6 Nov 2025 Yes, engine is available for inspection. Possible loss power, unable to control the vehicle. Vehicle engine failure has been confirmed by dealership, Ruben Milton Chevrolet and Jim Hudson Cadillac in Augusta Georgia. Vehicle has not been inspection by manufacturer, police, insurance representatives. No warning light, no knocking noise, no messages on dashboard.
Engine, Dec 11, 2025
GM declared my original engine as unfixable and decided to replace my engine luckily with 2 weeks remaining in warranty. It had similar clicking noise to everything else I've seen related to this 6.2L having issues. It currently has a new engine that can be inspected if need be. As well as receipt given to me from Klein Chevy from engine replacement. My engine could've failed while driving if I didnt notice the clicking noise prior to getting it looked at. Putting other in danger if driving on a public roadway. Yes the noise/defect was reproducible upon dealer looking at it. Unsure if the vehicle was inspected by the actual manufacturer but they removed my motor and sent it back to the factory. Was never inspected by police or insurance that im aware of There was no check engine light or warning lamps, only thing I noticed was a clicking noise that the common layman would have probably missed, they appeared roughly around 46,000 miles.
Engine, Dec 11, 2025
Driving on highway truck lose power, engine lights start to flash and cracking noises start to come from engine. The lose of speed almos cause another vehicle to rear end me, Truck gave no signs or warnings before. Truck was delivered to a local shop and due abundant amount of metal flakes in oil engine need to be replaced
Power train, Electrical system, Engine, Dec 10, 2025
While driving at highway speeds, multiple warning lights illuminated on the dashboard at the same time, including engine and powertrain warnings. The vehicle suddenly began operating abnormally, with loss of power and unstable driving behavior, making it unsafe to continue driving. This same issue has occurred multiple times previously and the vehicle has been taken to an authorized Chevrolet dealership for repairs on three separate occasions. Each time, repairs were performed, but the problem returned. The most recent incident occurred while driving on the highway and created a serious safety risk to the driver and other vehicles. The vehicle is not safe to drive.
Power train, Electrical system, Forward collision avoidance, Dec 10, 2025
Back in 7/2025, I was going to a Dr appt in Chandler, Az. When I arrived in Maricopa, Az, my truck stalled at the first stop light and would not start. I went over Kraegan Auto parts and bought a battery. After about 10 days, I was having to jump start my truck for the next few days. I took the battery back and they realized that it wasn’t the battery my truck called for. So, now I have the correct battery and everything working like it supposed to. In Nov 2025, my battery was starting to drain like overnight, and jump starting my truck every morning. I also told them, that the transmission was acting up. When I got on the highway my truck would be at 5000 rpm while doing 60 mph. I be would have to pull over to side of the highway, shut the engine down, and restart. Usually it would be good after the first time. So, up until now, I have no heater, no AC, my windows don’t go up or down, cruise control don’t work, l can’t move my power seat, so my wife has to put a pillow behind her and a pillow beneath her when she drives our truck. And I be still haven’t mentioned all be the little icons that are lit on the steering column. My truck is at the Jerry Seiner Casa Grande, Az. I have the protection plus coverage on my truck with GA Security, and I was told that because it’s a battery issue and found me at fault, they won’t cover me and I need to pick up my truck, because I can’t afford a $680.00 price tag. I’m on Medicare. That’s why I paid the $3500 for the protection plus coverage. So I guess it’s my fault or fault of my battery, my transmission doesn’t shift gears, power windows don’t work, heater or AC don’t work, can’t forget the cruise control. They said they are not covering nothing, to come get my truck.
Steering, Dec 9, 2025
On Sunday Nov. 16th, my steering wheel felt like it was "slipping", akin to how it feels when your serpentine belt tensioner is failing. I checked it out while wife turned the wheel, didn't see any problem, and we went on our way. Later in the day as we were leaving a parking lot, the problem occurred again but worse. And we got a warning about trailer brake controller needs repair. After reviewing similar problems on Reddit, I found it was still safe to drive, so we drove home without further incident. Monday I decided to take it to O'Reilly auto parts and have a code scan done. Except, as soon as I turned out of the driveway, my wheel completely froze up solid. I could NOT move the wheel (q2)! Since the wheel was still turned, I backed it into the driveway and we took our car to buy our own code scanner. It showed more than just one fault code for the brakes, there were 5. I called Fox Chevrolet to schedule al appointment for the next day. Fortunately, the failure occurred as the Advisor attempted to turn the wheel (q3). Long story short: problem was a rusted/rotted out ground wire (q1)! Behind the front driver side tire, encased in a boot. Tech told the Advisor he'd never seen that one before. $40 part, and $400 to install it (q4). I was happy it wasn't a power steering rack failure (electric) but the more I thought about it, felt I needed to report this. You needed a dealer scanner to catch this and trace it to a ground fault. Probably better for you to contact dealer Advisor and Tech to get a better breakdown on this (q1). Dealer was great, they could have sold me an $1800 steering rack and I'd have never known. Could this failure have happened to someone driving on the street and this pop up all of a sudden (q2)? I believe so. Glad I didn't find out firsthand. The problem went away overnight twice, and then all of a sudden your wheel is LOCKED. I'm curious as to if others are or have faced this, thus my submittal. Thanks for your time.
Engine and engine cooling, Engine, Dec 9, 2025
The contact owns a 2020 Chevrolet Silverado 1500. The contact stated that upon starting the vehicle, there was an abnormally loud engine camshaft bearing sound coming from the engine. The engine warning light was illuminated. The vehicle was taken to the local dealer, and after three days, it was determined that the camshaft bearing had failed, and the engine needed to be replaced. The vehicle was not repaired. The contact linked the failure with NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling) and NHTSA Action Number: EA25007 (Engine and Engine and Engine Cooling). The manufacturer was contacted and opened a case. The failure mileage was approximately 45,000.
Engine and engine cooling, Power train, Dec 9, 2025
The contact owns a 2020 Chevrolet Silverado 1500. The contact stated that while starting the vehicle, there was an abnormal odor coming from the vehicle. Upon inspecting the vehicle, the contact became aware of coolant leaking from the front of the vehicle near the transmission, with the check engine warning light illuminated. The contact retrieved DTC: P0016. The vehicle was taken to the dealer, where it was diagnosed, and determined that the coolant control valve, motor mount, and camshaft timing had failed. The dealer informed the contact that the coolant control valve, motor mount, and wiring harness needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for further assistance. The approximate failure mileage was 88,000.
Power train, Dec 9, 2025
My 2020 Chevy Silverado needs a torque converter replacement. My truck is at 90k miles and out of drivetrain warranty. However, this is a known GM problem with trucks (and other vehicles in this class of engine/transmissions). I have talked to GM corporate and they are only willing to rebate 20% of the cost of this repair. I believe they should pay for the entire repair since this is a known problem for all these vehicles in this class. Please help me to get GM to understand this and fix this known problem.
Steering, Dec 8, 2025
Sudden intermittent loss of power steering, issue confirmed by Chevy Dealership. No warning lights were displayed.
Power train, Dec 5, 2025
Transmission, would lock up for no apparent reason . At random speeds, they continue as if nothing was wrong. Took to dealership, couldn't get to it for a week. End up at a transmission shop said it through some code. required rebuilding the transmission . 88,000 miles on truck. From time of first incident to first shop visit one week. Same transmission in similar trucks is under recall but this vin# is not.
Power train, Dec 3, 2025
THIS IS A RECALL REMEDY FAILURE REPORT UNDER 49 U.S.C. §30120. My 2020 Chevrolet Silverado 1500 (VIN: [XXX] ) received Recall 24V797000 on June 9, 2025. The ECM update is intended to detect incipient clutch-pressure or gear-ratio deviations—early signs of a developing slip—and automatically force limp mode to prevent rear-wheel lockup. On August 23, 2025, after the recall was performed, the truck experienced rear-wheel lockup at highway speed. Limp mode did not activate, which shows the recall remedy failed to operate as required. Mangino Chevrolet documented symptoms matching the recall defect, including abnormal ratio behavior. No metal debris was found in the pan, indicating the failure was not caused by wear. GM TAC also noted behavior consistent with a developing slip. GM first recommended full transmission replacement at my expense before acknowledging the recall. GM later authorized a valve-body replacement, which also failed. The dealership owner provided a written statement confirming that: (1) the recall remedy did not correct the defect, and (2) the valve-body repair did not correct it. On December 3, 2025, GM Customer Assistance attempted to close my case as “not recall-related,” despite the post-remedy lockup, limp-mode failure, dealer findings, and the written admission that the recall remedy was ineffective. The safety defect persists after recall completion, and GM has not provided a remedy that corrects it, as required under federal law. I am reporting this as a failed recall remedy and an ongoing safety defect. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Power train, Dec 1, 2025
During driving at low speed 15-30mph with 4 wheel drive set to auto. 4 wheel drive engaged and rear wheels locked up. Turned off 4wd no issue. Upon arrival at the dealer a bad sensor was determined to have caused the rear wheels to not perform as designed. After resolving the issue now I hear rubbing metal noise from the drive shaft. Spoke to Chevy about the issue haven’t heard back.
Vehicle speed control, Service brakes, Nov 26, 2025
My truck started acting sluggish like the parking brake was applied while driving. At a traffic light I put the vehicle in park applied and released the parking brake. I put the vehicle back in gear an let off the brake. The vehicle did not move so slightly pressed the accelerator. The vehicle still acted as if the brakes were applied. I could feel the slight movement and torque being applied but only slightly lurching. The traffic light turned green so I proceeded up to 45mph. A vehicle in front of me slowed to make a turn. Applied the brakes and nothing happened. I pressed the brake so hard that I lifted myself off the seat. I swerved to miss the vehicle avoiding a collision. Then warnings started popping up; "brake system failure max speed 62mph", "brake system failure max speed 42mph", Brake system failure", service traction control", "service trailer baking system". among others I was too busy to see all of them. I coasted to a stop in a nearby parking lot with visual and audible warnings still going. I shut the vehicle off then restarted it. Some warnings remained like traction control and the engine light. The vehicle appeared to be operating correctly so I drove it to a local dealer. they said there was a code for low voltage in the brake control module but couldn't get me an appointment for over two weeks. I took the vehicle to a regular mechanic who said what I described was impossible. That mechanic kept my truck for the balance of the day but could find nothing wrong. I no longer trust this vehicles brake system. In many scenarios the failure, were it to happen again could be catastrophic.