NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
25 reportsClear category filter84,701 miles · Aug 24, 2026
Engine And Engine Cooling
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 failu…
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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.
NHTSA ODI #11759199
50,000 miles · Aug 17, 2026
Engine And Engine Cooling
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 ha…
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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.
NHTSA ODI #11757347
68,000 miles · Apr 9, 2026
Engine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated that upon starting the vehicle, the exhaust system made an abnormally loud sound. There was no warning light illuminated. The vehicle was taken to an unknown dealer, where it was determined that the front clamp on the exhaust system was loose. The dealer tightened th…
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The contact owns a 2020 Chevrolet Traverse. The contact stated that upon starting the vehicle, the exhaust system made an abnormally loud sound. There was no warning light illuminated. The vehicle was taken to an unknown dealer, where it was determined that the front clamp on the exhaust system was loose. The dealer tightened the clamp; however, the failure persisted. The contact related the failure to TSB Number: PIP5681A (Exhaust leak, Lean Codes, Rattle Noise, or Catalytic Converter Failures). The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 68,000.
NHTSA ODI #11730238
118,000 miles · Jan 12, 2026
Engine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated that while the vehicle was parked and occupied in the vehicle, there was a rattling sound coming from the front of the vehicle while stationary or while driving. An independent mechanic was contacted. The vehicle was taken to a dealer, where it was determined that th…
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The contact owns a 2020 Chevrolet Traverse. The contact stated that while the vehicle was parked and occupied in the vehicle, there was a rattling sound coming from the front of the vehicle while stationary or while driving. An independent mechanic was contacted. The vehicle was taken to a dealer, where it was determined that the exhaust mounts needed to be replaced. The vehicle was not repaired. The contact related the failure to Special Coverage Adjustment: N222385510 (Front Exhaust Pipe); however, the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 118,000.
NHTSA ODI #11710441
90,100 miles · Jan 2, 2026
Engine And Engine Cooling
The contact's son owns a 2020 Chevrolet Traverse. The contact stated that while driving at various speeds, the vehicle made an abnormal rattling sound, and the check engine warning light was illuminated. The vehicle was initially taken to an independent mechanic who could not perform the repair. The contact was referred to anoth…
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The contact's son owns a 2020 Chevrolet Traverse. The contact stated that while driving at various speeds, the vehicle made an abnormal rattling sound, and the check engine warning light was illuminated. The vehicle was initially taken to an independent mechanic who could not perform the repair. The contact was referred to another independent mechanic, where it was diagnosed that a crack in the catalytic converter had caused a defect within the exhaust manifold. The contact was then informed that the failure was related to Technical Service Bulletin Number: PIP5681C and was referred to the dealer for assistance. The contact had taken the vehicle to the dealer, where the contact was informed that the vehicle no longer qualified for the TSB repair due to the mileage. The manufacturer was notified of the failure and made the same assessment. The contact was then referred to the NHTSA Hotline for assistance. The vehicle had yet to be repaired. The failure mileage was approximately 90,100.
NHTSA ODI #11708290
110,045 miles · Oct 22, 2025
Engine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at undisclosed speeds, there were abnormal sounds coming from the exhaust system. The contact stated that the vehicle sounded like a motorcycle. The contact stated that the check engine warning light was illuminated, and DTC: P0171 was displayed. A…
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The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at undisclosed speeds, there were abnormal sounds coming from the exhaust system. The contact stated that the vehicle sounded like a motorcycle. The contact stated that the check engine warning light was illuminated, and DTC: P0171 was displayed. Additionally, the contact stated that there were exhaust fumes entering the cabin of the vehicle. The contact had taken the vehicle to a local dealer, where it was diagnosed, and it was determined that there were cracks in the exhaust pipe and the catalytic converter pipe at Bank 2 and Bank 1 that needed to be replaced. The vehicle was not repaired. The contact researched online and related the failure to Technical Service Bulletin Number: PIP5681A. The contact had called the dealer to advise that there was a bulletin covering the cracks on the exhaust and the catalytic converter pipes, but was informed that the cracks on the pipes were on the wrong side and that the vehicle was not covered under warranty. The manufacturer was not informed of the failure. The failure mileage was 110,045.
NHTSA ODI #11695089
85,000 miles · Jul 15, 2025
Engine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated while driving at various speeds, the vehicle made an abnormally loud rattling sound. The contact stated that the failure also occurred upon starting the vehicle. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed and d…
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The contact owns a 2020 Chevrolet Traverse. The contact stated while driving at various speeds, the vehicle made an abnormally loud rattling sound. The contact stated that the failure also occurred upon starting the vehicle. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed and determined that the mounting bracket on the front exhaust pipe had separated from the pipe and might develop a hole in the exhaust pipe. The dealer determined that the front exhaust pipe mounting bracket needed to be replaced. The vehicle was not repaired due to the cost. The dealer notified the manufacturer of the failure, but no assistance was provided. The failure mileage was approximately 85,000.
NHTSA ODI #11673684
85,600 miles · Jun 26, 2025
Engine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 55 MPH, there was an abnormally loud sound coming from the engine. The check engine warning light was illuminated. The vehicle was taken to an unknown dealer, where it was diagnosed and determined that the catalytic converter was leaking and there was a…
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The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 55 MPH, there was an abnormally loud sound coming from the engine. The check engine warning light was illuminated. The vehicle was taken to an unknown dealer, where it was diagnosed and determined that the catalytic converter was leaking and there was a blockage in the catalytic converter. The contact was also informed that coolant was leaking into the engine. The vehicle was not repaired. The contact stated that upon lifting the hood, there was a rodent nest near the engine cover. The contact related the failure to GM Technical Service Bulletin Number: PIP5681C (Exhaust leak, Lean Codes, Rattle Noise, or Catalytic Converter Failure Codes); however, the vehicle was not covered under the TSB. The vehicle was not repaired. The manufacturer was notified of the failure and later informed the contact that the case was closed. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 85,600.
NHTSA ODI #11669424
102,000 miles · Jun 24, 2025
EngineEngine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 45 MPH, the vehicle jerked, with an abnormal sound coming from underneath the vehicle. In addition, the contact stated the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light was illuminated. T…
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The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 45 MPH, the vehicle jerked, with an abnormal sound coming from underneath the vehicle. In addition, the contact stated the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light was illuminated. The vehicle was taken to Firestone, where the contact was provided DTC: P0420 (Catalytic converter was fractured and punctured, and a bracket was missing). The vehicle was not repaired. The contact then took the vehicle to the dealer where it was diagnosed and determined that the muffler was punctured and not the catalytic converter. The vehicle was not repaired. The contact then took the vehicle to a Valvoline Center to be diagnosed and DTC: P0420; was retrieved. The vehicle was not repaired. The contact stated that the failure persisted. The contact stated that the vehicle was vibrating abnormally while driven with an abnormal rattling sound coming from underneath the vehicle. Upon further investigation, the contact related the failure to Manufacturer's Recall Numbers: N212356540 and N222385510; however, the vehicle was not included. The manufacturer was made aware of the failure. The failure mileage was approximately 102,000.
NHTSA ODI #11668867
58,000 miles · Apr 2, 2025
EngineEngine And Engine Cooling
The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 25 MPH, the check engine warning light illuminated. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the catalytic convertor had failed needed to be replaced. The vehicle was repaired. The manufactur…
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The contact owns a 2020 Chevrolet Traverse. The contact stated while driving 25 MPH, the check engine warning light illuminated. A dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the catalytic convertor had failed needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure, and the contact was informed that there were no recalls associated with the VIN. The approximate failure mileage was 58,000.
NHTSA ODI #11652396
Official recalls
8Mar 31, 2022
General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Traverse and 2021-2022 Buick Enclave vehicles. The harness connector to the left or right side roof rail air bag may have incompatible electrical terminals, which could prevent the air bags from deploying in a crash.
Consequence & remedy
Consequence: Roof rail air bags that do not deploy as intended increase the risk of injury in a crash.
Remedy: Dealers will replace the harness connector to the roof rail air bags, free of charge. Owner notification letters were mailed on April 29, 2022. Owners may contact Buick customer service at 1-800-521-7300 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N212352140.
Oct 18, 2021
Braun Corporation (Braun) is recalling certain 2020-2021 Chevrolet Traverse wheelchair accessible vehicles with Power In-floor Ramp conversion. The screw and clip that hold the inner wheel-well plastic shroud in place may chafe against the transmission case, possibly resulting in a transmission fluid leak.
Consequence & remedy
Consequence: A transmission fluid leak can cause a loss of drive power, increasing the risk of a crash. In addition, a leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will replace the screw and clip, and inspect for signs of contact with the transmission, free of charge. Owner notification letters were mailed November 29, 2021. Owners may contact Braun customer service at 1-800-488-0359.
Feb 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.
Consequence & remedy
Consequence: 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.
Remedy: 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.
Nov 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.
Consequence & remedy
Consequence: 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.
Remedy: 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.
Oct 29, 2020
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
Consequence & remedy
Consequence: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 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 N202313440.
Oct 15, 2020
General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.
Consequence & remedy
Consequence: Insufficient fuel supply can result in an engine stall without warning, increasing the risk of a crash.
Remedy: GM will notify owners, and dealers will replace the fuel pump module. The recall began November 16, 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 N202314760.
Jul 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.
Consequence & remedy
Consequence: If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Remedy: 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.
Sep 6, 2019
General Motors LLC (GM) is recalling certain 2020 Buick Enclave and Chevrolet Traverse vehicles. The right-hand frame rail in the engine compartment may be cracked.
Consequence & remedy
Consequence: A crack in the frame rail may reduce crash performance, increasing the risk of an injury.
Remedy: GM will notify owners, and dealers will inspect and, as necessary, replace the vehicle, free of charge. The recall began October 4, 2019. Owners may contact Chevrolet customer service at 1-800-630-2438 or Buick customer service at 1-800-521-7300. GM's number for this recall is N192268310.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗