2020 Chevrolet Traverse

The contact owns a 2020 Chevrolet Traverse. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with a fractured flex pipe. The mechanic informed the contact that the failure was associated with GM Technical Service Bulletin: PIP 5681C and Manufacturer Communication Number: 10211780 (Engine and Engine Cooling), and the contact was referred to the dealer. The vehicle was taken to the dealer, who confirmed the failure was not covered under warranty. The contact spoke with the manufacturer, who also confirmed that the vehicle was not covered under warranty. The manufacturer referred the contact to the NHTSA Hotline to file a safety complaint. The failure mileage was approximately 104,000.

Shift to park message error. Have to start/ stop engine several times until message goes away

Noticed rattling under front hood and exhaust entering the interior of the car. Brought to the dealer and they said there are no recalls on this problem and quoted 4K to replace the CAT and exhaust pipes. There is indeed a tsb document covering Chevy Traverse years 2018-2023 - PIP5681C failed bracket weld on the exhaust pipe causes cracks. This is a dangerous situation with exhaust entering the vehicle. I have 4 children that travel in that vehicle daily! Based on what I have read online, this is an existing problem happening frequently with Chevy Traverses. I would like this repair covered by GM. [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

I was on the interstate trying to merge into traffic and I floored the gas pedal to get into position with the flow of traffic. Upon pushing the gas pedal to its full position the pedal snapped off and I lost my ability to accelerate. I was lucky enough to be able to pull off to the side of the interstate and into the grass. I placed the Traverse into neutral and came to a stop. The gas pedal snapped just above the tab that sticks out where it connects to the module. Very unsafe that this is even a possibility to have happened. I would not recommend plastic for the gas pedal. Thank God the brake pedal is metal.

The contact owns a 2020 Chevrolet Traverse. The contact stated that the exhaust system was sagging due to an improperly welded mounting bracket. The contact became aware that an exhaust system bolt was cracked and missing. The vehicle was taken to the dealer, where a technician confirmed that the weld on the exhaust hanger had separated from the subframe, causing the loud rattling sound of the exhaust system. Additionally, the check engine warning light was frequently illuminated, and the exhaust system was louder than normal. The failure mileage was 82,000.

My 2020 Chevrolet Traverse is experiencing a SHIFT to PARK issue. When the car is placed into PARK, the electrical system does not recognize it and will not shut off the vehicle. There is a defect with the button trigger that allows the gear shifter to move and it is not being recognized. The quick fix is to press this button around 15 times to reset it. Sometimes this works but when on an incline, it does not. It takes turning the vehicle on and off a few times to have this registered. The estimated cost to replace the gear shifter is around $600 to $900 dollars. Please have this item recalled.

The rear power liftgate closed on my finger severing the top part of my finger at the base of the finger nail.

On September 18,2026 owner #3 bought the vehicle on December 9,2026 at the time of purchase it had 46,545 on September 17 check engine light came on and the diagnostic code came up as P0171 lean bank one from Pep Boys.Pep Boys scan found P0171 lean bank 1 meaning that is sucking in too much oxygen, upon inspection found rear exhaust manifold is cracked, creating a vacuum and suck. ng in oxygen,causing the engine light, the exhaust hanger is broken and pictures from PepBoys show the exhaust hanger is broken and was held by poxy putty from previous owner #2 this was not disclosed at the time of sale on December 9,2026 and CarMax failed to complete a 125 inspection before it left the dealership lot.The Poxy putty caused the manifold to crack with catalytic converter and 2 O2 sensors. Further another serious concerns owner #3 has as reported on history from Good Car reported from other consumers owning 2020 Chevy Traverse is the Shift to Park issue which was discovered on August 5,2026 at Affordable Transmission in Lancaster when i got my transmission service. This is also another pre-existing condition that was not disclosed by CarMax at the time of sale on December 9,2025. I feel the car is defective and not safe. The vehicle is at my mechanic getting evaluated. Per Car Facts this vehicle was involved in a minor accident which was not disclosed.

While the gears are shifted to park, as soon as the car is turned off, a message pops up advising me to "Shift to Park". The car will already be in park. I have to with jiggle the gear shift or turn the car back on and cycle gears a couple times in order for the car to recognize that it's in park.

My Autostop feature failed to work and did not restart my car on 2 occasions. 1) My kids and I was a stop sign at an intersection and the car would not turn back on. I had my truck towed. The next business day they told me it started on it own. 2) I was dropping my kids off at camp out of town and came to a red light. My truck would not restart. I was in the middle of the street. The police has to push me to safety until the tow truck driver arrived. After towing my truck 100 miles to the dealer near my home it started back up. The next day the dealer mis informed me that it was a programming that was coming up. I had to pay that fee plus diagnostics. When going out to test my truck the dealer experience the same issue. A severity case had to be opened to determine the solution to fix the issue. It took about 4 days. This issue is very concerning as I and my children safety was at risk while driving. I asked about turning the feature off but was told it's a state emissions law to have it on so they could not help me.

The front intermediate exhaust pipe mounting bracket weld fractured at the engine manifold, causing the exhaust pipe to break completely loose. We can now actively smell raw exhaust fumes inside the passenger cabin while operating the vehicle, creating an immediate safety hazard for carbon monoxide poisoning and driver disorientation. Additionally, the heavy steel exhaust system is completely unsupported at the front, creating an imminent risk of the pipe falling and dragging on the roadway at highway speeds, which could cause a catastrophic crash. The vehicle began getting progressively louder during cold weather between late 2025 and early 2026. A certified Chevrolet dealership technician officially inspected the vehicle, filmed an inspection video confirming this exact structural failure, and attempted to submit it for warranty coverage. GM Corporate denied the claim solely because my VIN is excluded from Special Coverage N212356540, despite the vehicle suffering from the identical manufacturing defect described in the bulletin. I possess the official dealer repair receipt and the technician's inspection video as proof.

I am filing a complaint regarding a persistent safety defect widely known as the "Shift to Park" issue. For over a year, my 2020 Chevrolet Traverse, VIN [XXX] has repeatedly displayed a "Shift to Park" warning message on the instrument cluster when the vehicle is placed in Park and the engine shutoff button is pressed. This occurs multiple times weekly. Despite the vehicle physically being in Park, the internal shifter sensor fails to recognize the gear position. This defect prevents the vehicle from shutting down properly, leaving the electrical system active and causing severe battery drain. Furthermore, because the vehicle does not recognize it is in Park, it creates a roll away risk if the driver exits assuming the vehicle is fully secured. General Motors is aware of this widespread component failure across this vehicle platform but refuses to issue a safety recall or cover the repair costs out of warranty. This is a systemic manufacturing defect that presents a clear financial and safety hazard to consumers. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Bracket on the exhaust pipes just before the flex pipes broke free and there is now a hole in the pipe.

I made an error and incorrectly submitted an issue under the wrong vehicle, with NHTSA Safety Issue ID 11759404. This is the same submission under the correct vehicle and VIN. Issue ID 11759404 can be merged here or canceled.

The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle. The contact stated that over time the sound became louder. The vehicle was taken to the dealer, where it was diagnosed with a cracked front exhaust pipe and battery failure. The contact was informed that the front exhaust pipe and battery needed to be replaced. The vehicle was repaired. The contact referenced an unknown recall; however, the VIN was not associated with a recall related to the failure. The manufacturer was made aware of the failure, and a case was filed. The failure mileage was approximately 84,701.

The contact owns a 2020 Chevrolet Traverse. The contact stated that while operating the vehicle, there was a loud sound coming from the exhaust pipes, and the vehicle failed to properly accelerate, with exhaust fumes inside the vehicle. The vehicle was taken to the local dealer, who diagnosed that the exhaust mounting bracket had failed, causing the exhaust pipes to separate and needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure. The contact was informed that the vehicle was not covered under a manufacturer-extended coverage that was associated with the failure. The failure mileage was 50,000.

Loses oil between oil changes. No visible signs of leaks or odor of burning oil.

The contact owns a 2020 Chevrolet Traverse. The contact stated that the transmission was slipping and there was a delay while the transmission was shifting gears. The vehicle was sputtering and jerking while driving. While turning out of a driveway and driving approximately 5 MPH, the vehicle stalled. The check engine warning light was illuminated. The vehicle was towed to the residence. The local dealer was contacted and informed that there was no recall on the VIN. The vehicle was not diagnosed or repaired. The manufacturer was contacted but referred the owner back to the local dealer for assistance. There was no additional assistance provided. The failure mileage was approximately 150,970.

I own a 2020 Chevy Traverse with currently 16,000 miles. I am currently dealing with a know shudder issue that has returned. I have already taken the vehicle under warranty to the dealership where the transmission was replaced on 6/29/2022 at 4919 miles for “catastrophic failure” where the fluids were dark, burnt, and several burnt up clutches. Then the torque converter was replaced separately on 9/20/2022 at 8106 miles for engine shudder. Took the vehicle again in on 7/21/26 for shudder returning at 16,450k miles where diagnostic shows dark, burnt fluid, with metal debri. Repair recommendations are to flush again and if not fixed to again replace the torque converter. There are no open recalls on my vehicle when there should. There is the most recent bulletin, Bulletin No.: 23-NA-072 dated May 2023 that covers the 2020 Chevy Traverse for TCC Shudder: (Typically seen on 4th-5th Upshift as ISS Oscillation) which is referenced on my last car diagnostic report. This car is basically brand new and should never have needed a brand new transmission, torque converter replacement and still having shudder problems. These vehicles need to be recalled for their power train.

The contact owns a 2020 Chevrolet Traverse. The contact stated that while parking the vehicle, the gear shifter was shifted into park(P); however, the “Shift to Park” message was displayed. The contact shifted the gear shifter back and forth and then shifted into park(P) before the proper gear was recognized. The vehicle was taken to the dealer, who replaced the gear shifter. The manufacturer was made aware of the failure. The failure mileage was 26,818.