2020 Chevrolet Silverado 2500 Powertrain (other) Problems

my 2020 Chevrolet Silverado has locked up a couple times on 4/2/26 i immediately drove to the robins chevy dealership, the service writer and i discussed the recall of the transmission, the next day i was sent a estimate of 6800.00 dollars to replace the valve body of the transmission, i asked why am i responsible for the replacement cost due to a known recall of the transmission valve body? i was instructed to call gm directly which i did and no action was taken, i was told to speak to the dealership manager. i need help with this matter.

NHTSA ID

11729039

Incident

Apr 2, 2026

Pulling out onto road, heard a bang, no forward or backward, unable to move vehicle, brought to repair shop, says output shaft is sheared off, 68000 miles on it, looked on line, apparently common defect, my son in laws friend just had his happen getting off ramp exit, 80000 miles, I’ve read where low as 20000 miles, as well as 59000, 33000 ridiculous crap made in USA…. Please help! No repair as of yet.

NHTSA ID

11718211

Incident

Feb 11, 2026

10L1000 transmission, began having problems with delays and harsh gear engagement. Flare shifting and shuddering. Finally starting having transmission overheating issues while towing. I had to make several unsafe stops with a trailer to wait for the transmission to cool down again before continuing to get it home. Saw trans temps up to 240°F on flat land with 40° outside temps. I could smell the hot transmission fluid inside the truck. When I went to check the fluid level of the transmission, the fluid was full but had a large amount of glitter like metallic flakes. The fluid was very dark brown in color and smelled terribly burnt. The last recall I took in to the dealer for was about the transmissions possibility of failing, locking up, along with the rear wheels at any speed. I have young children that ride in this truck, that in it self was unsettling and unsafe. But then to have issues with absolutely no warning light was concerning. Ive since ordered an aftermarket built transmission to avoid repeating the same issues with a factory GM replacement. My factory warranty had also ended a few months prior to having these problems with it. Leaving me to completely foot the bill for it to be replaced. I had to pull money from my retirement early to cover costs, in fact costing me much more than just the sticker price.

NHTSA ID

11714398

Incident

Nov 1, 2025

La transmicion viajaba aproximadamente a 70 millas cuando empeso a regresar los cambios rapidamente adta quedar parado en la carretera sin movimiento apague y volvi a encensenderla y trabajo una ves mas pero asiendo cambios bruscos Aora el dealer no quiso atender el recall disen que se tiene que remplazar la transmicion completa

NHTSA ID

11713992

Incident

Dec 23, 2025

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that while driving at an undisclosed speed, the rear wheels locked up momentarily. The check engine warning light was illuminated. The vehicle was previously taken to the local dealer to be repaired under NHTSA Campaign Number: 24V797000 (Power Train). The vehicle was repaired, but the failure recurred. The manufacturer was contacted, who confirmed that the recall repair was a one-time free repair, and no further assistance was provided. The failure mileage was approximately 188,000.

NHTSA ID

11698606

Incident

Jan 1, 2025

Mileage

188,000 mi

I just financing this car and dealer write on dmv price of $57,057 with 63,631 miles that the tell me that was a pre contract on 9/13/24 then they then the bring the truck on 9/15/2025 with 64156 miles at the price of 61,777 on the contract i dont know what to do

NHTSA ID

11689158

Incident

Sep 15, 2025

Transmission valve body issue

NHTSA ID

11685296

Incident

Aug 29, 2025

I am writing to express my serious concern and frustration regarding the unresolved recall on my 2020 Chevrolet Silverado 2500 (VIN: [XXX] ). Despite multiple visits to multiple dealerships, I was repeatedly told that the necessary parts to complete the recall repair were on back order and instructed to “wait for parts.” No interim solution or assistance was ever offered. As a result of this delay, my vehicle broke down without warning, leaving me stranded on the side of the road. This created a hazardous situation and significant disruption to my day. To make matters worse, I had to pay out of pocket to have the truck towed to a repair shop in an effort to get it operational—an expense I should never have incurred given the known recall and repeated attempts to have the issue corrected by Chevrolet. I have been a loyal Chevrolet owner and have always trusted the brand for its quality and dependability. However, this delay and lack of proactive support is causing significant inconvenience and eroding that trust. This situation is unacceptable for several reasons: 1.Safety Risk and Recall Obligation: Chevrolet acknowledged the defect by issuing a recall, yet I have been forced to operate a vehicle that does not meet your own safety standards for months. 2.Repeated Service Attempts with No Resolution: I followed the proper process and visited an authorized dealer multiple times, only to be turned away each time with no solution beyond “wait for parts.” 3.Breakdown and Financial Loss: The vehicle failure and subsequent towing expense are a direct consequence of Chevrolet’s inability to provide timely parts or alternative accommodations. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11684509

Incident

Sep 2, 2025

While driving the truck it will have a hash upshift which has happened on five different occasions plus on two other occasions after first startup and drive the transmission will not shift out of third gear it will just wind up the RPM's as if transmission is stuck in third gear. I have to let off throttle then accelerate and back-off a couple of times to get transmission to shift out of third gear. The software upgrade is not a fix for this recall as it does not address the problem. The valve body installed in these ten speed transmission is a manufactures design flaw along with using inferior parts required for the safe operation of this vehicle. There are documented claims of the valve body failing causing catastrophic failure of the entire transmission and GM Corporation will only cover the valve body. GM has told it's customers that they will warranty the VB only that the other damages are not covered. The recall letter I receiver indicates that only the VB is covered. This is unacceptable. It is because of the VB failure that the transmission will suffered catastrophic failure, Without a properly functioning VB the transmission cannot receive the lubrication it needs to function properly. I have not had the software update as their are reports of customers trucks going into limp mode shortly afterwards. Their trucks are then parked on dealer lots as parts are currently unavailable for weeks at a time in some cases months. These customers use these truck for their livelihood and they invested a large amount of money purchasing these trucks only to be told So sorry GM will not cover your claim even through it was our defective VB that destroyed your transmission. These trucks are not cheap to purchase nor to properly maintain.

NHTSA ID

11643626

Incident

Feb 19, 2025

Def tank heater. I had one replaced @ 24K and another replaced 47K

NHTSA ID

11642878

Incident

Feb 7, 2025

1. Transmission recall N242454440 Chevy 2500hd Diesel Silverado 2020yr. Jan 2025 valve body inside transmission was replaced, recall pending, parts not available, NOT DONE. 2. Currently having this issue but no recall information found for my Vin...The "P22F9" engine code on a 2020 Chevy Silverado 2500 diesel indicates a recall related to the NOx sensor, specifically a "slow response" issue with the sensor, which the Engine Control Module (ECM) might not properly detect; this recall requires a software update to the ECM to address the problem. Key points about this recall: •Affected vehicles: Primarily 2020 Chevrolet Silverado 2500 and 3500 trucks with diesel engines, as well as similar GMC Sierra models. •Issue: The ECM may not accurately identify faults with the NOx sensor, potentially leading to emission issues and reduced engine performance. 3. P1089 fuel deceleration problem, several repairs were done but problem still persists. GM engineer's told dealership having problems with computer duplicated codes in memory. Engine light goes on and off over 50,000 miles, vehicle runs great and no gas found in oil. At one point engine light was off for 14,000 miles. *P1089 should definitely be a RECALL ITEM! MISC: Yes available for inspection. No safety problems as of yet. All repairs were done at dealerships and confirmed by dealership. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? NO * I have contacted GM management staff in Michigan Mr. Craig Gidden, senior executive liaison, which referred me to CA customer service and supervisor, all to no avail, absolutely horrible customer service! They did not want to provide their contact information etc. *Contacted the GM arbitration department, they provided a case number but will not provide or respond to my emails for supervisor and GM legal department information.

NHTSA ID

11639672

Incident

Oct 1, 2023

We received a recall notice 4 weeks ago on our Chevrolet Silverado diesel truck. VIN:1GC4YPEY0LFXXXXXX. The National Highway Traffic Safety Administration Campaign 1D Number for this recall is 24V797. We can not get any answers from GM as to when it can be fixed. We use this truck for heavy towing constantly. We do not want to be in harms way. Can you help resolve this problem?

NHTSA ID

11639557

Incident

Jan 16, 2025

In 2024, I noticed that my truck was experiencing rough shifts. It felt as if the back wheels were jerking over uneven ground, even though the vehicle was on a flat surface. In November 2024, my sister sent me an article about General Motors' massive recall due to rear wheel lock-up, which increased the risk of crashes. I contacted GM and learned that my truck was part of the recall. I reported the issues my truck was exhibiting, and GM instructed me to reach out to my dealer about the problem. However, I was informed that they did not have the parts to fix the issue and had no idea when they would receive them. I asked GM if they would provide me with a rental vehicle, but they declined, stating that if they offered a rental to me, they would have to provide one for others as well, which was not feasible due to the large number of affected vehicles. I explained that my truck is my daily driver for work, and I frequently transport my grandchildren in it. Driving the truck was hazardous given the issues it was already exhibiting. I was told to contact my dealer, and since my truck was under warranty, they should provide me with a rental. When I requested to speak with a manager, I was informed that they would only reiterate the same information. I then contacted my dealer, Sapaugh GM Country, located at 1435 McNutt St., Herculaneum, MO. I was informed that they do not have the parts. but they did a minor tweak which has caused more damage to my powertrain and engine.

NHTSA ID

11635869

Incident

Oct 1, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that while driving 30-50 MPH on four occasions, the rear wheels locked up. There were no warning lights illuminated. The contact received notification of NHTSA Campaign Number: 24V797000 (Power Train); however, the part to do the recall repair was not yet available. The local dealer was contacted. The vehicle was taken to the local dealer, where it was diagnosed that a software update was needed. The vehicle was repaired, but the failure recurred. The vehicle was taken back to the local dealer, who was unable to duplicate the failure. The vehicle was not repaired. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The failure mileage was approximately 81,381. VIN tool confirms parts not available.

NHTSA ID

11634411

Incident

Oct 7, 2024

Mileage

81,381 mi

The contact owns a 2020 Chevrolet Silverado. The contact received notification of NHTSA Campaign Number: 24V797000 (Power Train) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ID

11632544

Incident

Dec 26, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact received notification of NHTSA Campaign Number: 24V797000 (Power Train); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was contacted and confirmed that parts were not yet available for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ID

11630636

Incident

Dec 13, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact received notification of NHTSA Campaign Number: 24V797000 (Power Train); however, the part to do the recall repair was not yet available. The located dealer was contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ID

11627457

Incident

Nov 26, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated while driving 50 MPH, the accelerator pedal was depressed; however, the vehicle failed to respond. No warnings lights were illuminated. The contact pulled over to the side of the roadway, turned off and restarted the vehicle; however, while attempting to shift into drive the vehicle hesitated and failed to respond as needed. The contact stated that the failure persisted. The vehicle was taken to a dealer where it was diagnosed and determined that the transmission had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure but offered no assistance. The failure mileage was unknown.

NHTSA ID

11626181

Incident

Oct 7, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact was notified of NHTSA Campaign Number: 24V797000 (Power Train); however, the part to do the recall repair was not yet available. The local dealer was made aware of the issue and confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

NHTSA ID

11625469

Incident

Nov 13, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated while driving at various speeds, the transmission was slipping without warning. The vehicle stalled without warning, causing the contact to restart the vehicle to continue driving. While attempting to accelerate, especially, after the vehicle was idling, the transmission failed to properly change gear, causing the vehicle to accelerate at slower speeds than intended. There were no warning lights illuminated. The vehicle had been taken to the dealer where it was diagnosed that the transmission failed and needed to be replaced. The vehicle had not been repaired due to a low supply of transmissions. The manufacturer was made aware of the failure. The manufacturer referred the contact to the NHTSA Hotline to file a safety complaint. The failure mileage was 80,000.

NHTSA ID

11605779

Incident

Jul 19, 2024

Mileage

80,000 mi

Rear wheels locked up while driving/accelerating. Happened 5 times, 4 times while towing a camper once without towing. Luckily no harm or damage came to anyone. Traded in at dealership due to safety concerns after no diagnostics found anything “wrong”. It is already listed for sale, but I don’t think It’s been addressed or fixed.

NHTSA ID

11581033

Incident

Mar 29, 2024

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that while driving approximately 55 MPH, there was smoke coming from the rear of the vehicle. The contact stated that the vehicle then started losing motive power. After stopping to inspect the vehicle it was discovered that there was transmission fluid leaking from the rear of the vehicle. The vehicle was towed to the local dealer who diagnosed that the transmission cooling line had failed and needed to be replaced. The vehicle was not yet repaired. The contact stated the Extended Coverage for the failure was issued but the VIN was not included. The failure mileage was 67,000.

NHTSA ID

11569212

Incident

Feb 1, 2024

Mileage

67,000 mi

The contact owns a 2020 Chevrolet Silverado 2500. The contact stated that while driving at 55 MPH, the tachometer was operating erratically, after which the vehicle lost motive power. The contact was able to pull to the shoulder of the roadway, and after a visual inspection, the contact observed transmission fluid pooling underneath the vehicle. The service electric parking brake warning light was illuminated. The vehicle was towed to the dealer, who determined that the transmission oil cooler line failed at the crimp and that a failure with the electric parking brake had caused abnormal wear and tear to the brake pads and rotors. The vehicle was not repaired. The vehicle was then towed to another dealer, who confirmed the diagnosis, adding that the failure resulted in damage to the transmission, requiring a replacement of the transmission. The vehicle was repaired. After investigating the failure, the contact related the failure to Customer Satisfaction Program: N212326940, but the VIN was not included. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 67,000.

NHTSA ID

11566370

Incident

Dec 23, 2023

Mileage

67,000 mi

VEHICLE LOST POWER AS A RESULT OF A BAD SHORTED OUT CONNECTOR ON DIESEL INJECTOR 4 AND CAUSED ENGINE MISFIRES. WHICH RESULTED IN THE VEHICLE BEING UNDER POWERED WHILE DRIVING DOWN THE ROAD

NHTSA ID

11564628

Incident

Dec 28, 2023

The Transmission Oil Cooler line separated at the crimp joint from the rubber hose to metal pipe. This sprayed trans fluid all over my hot exhaust(fire risk) and caused and immediate loss of propulsion as I was accelerating to merge onto the highway. I was lucky enough to have multiple vehicles swerve to avoid hitting me. This defect left me on the side of the expressway.

NHTSA ID

11561441

Incident

Dec 21, 2023