2020 Chevrolet Traverse Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 219 verified NHTSA owner complaints, 8 federal safety recalls, and interquartile failure mileage telemetry.
The 2020 Chevrolet Traverse receives a 5.3/10 MazicBay Reliability Index based on 219 verified NHTSA federal complaints and 8 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 49,000 miles (IQR: 28,750 – 71,026 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .
18.3 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
8 Active / Free Remedies
2020 Traverse Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (7)
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“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 deale...”
“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 ...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“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 deale...”
“GM published bulletin PIP5681A on 10/05/20 regarding defective welds on the exhaust brackets near the catalytic converter. I had the same exact weld failure and GM is not honoring the warranty coverage, even though their bulletin said that all 2020 Traverse SUVs were included.”
“The welds that hold the catalytic converter and exhaust pipe together have pinhole leaks. The hose that connects to the exhaust system is also failing. This has been confirmed by the Chevy dealership we took it too. No warning lights were triggered. We heard a rattling noise a...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“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 ...”
“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 failu...”
“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) befor...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“While driving the stereo went off, the ac, the car stopped in middle of the road and I lost all electrical. I tried turning back on and the emergency brake light was on and the dash said "Steering Assist is Reduced, Drive with Care.” I was able to put it in neutral and get it ...”
“Brakes have screeching noise Transmission jumps when changing gear The shift to park is so constant can not even go out because it takes more than 20 to 30 tries for it to accept park and turn Vehicle off! I have taken it to the dealer for the concern stated no recall or warra...”
“The backup camera system on my 2020 Chevrolet Traverse fails repeatedly and intermittently. When shifting into reverse, the camera frequently displays a black screen, a crossed-out camera icon, or an error message indicating the camera is unavailable. I have brought the vehicl...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“While driving the stereo went off, the ac, the car stopped in middle of the road and I lost all electrical. I tried turning back on and the emergency brake light was on and the dash said "Steering Assist is Reduced, Drive with Care.” I was able to put it in neutral and get it ...”
“Brakes have screeching noise Transmission jumps when changing gear The shift to park is so constant can not even go out because it takes more than 20 to 30 tries for it to accept park and turn Vehicle off! I have taken it to the dealer for the concern stated no recall or warra...”
“Burning oil. There is something wrong. I took it to the dealership i still have warranty i really think this needs to be looked into.”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“There is a well known exhaust issue with the catalytic converter and the separating manifold and no recall has been issue yet. It causes the vehicle to lose pressure and shuts off in the middle of traffic. The seat belt secure locks are malfunctioning and could cause loss of l...”
“My seat belts do not click when fastened or stay fastened. Sometimes I have to try several times to get the seabelt to click.”
“Vehicle: 2020 Chevrolet Traverse VIN: ... Mileage: 50,100 miles Ownership: Original owner The driver’s seat belt intermittently fails to latch. This is a primary safety restraint system, federally required, and critical for occupant protection. The failure occurs randomly and ...”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate while depressing the accelerator pedal. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic,...”
“The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at various speeds, the vehicle jerked abnormally and stalled. The check engine warning light was illuminated. Additionally, the message "Shift into Neutral, and Start Vehicle" was displayed on th...”
“The contact owns a 2020 Chevrolet Traverse. The contact stated that while depressing the accelerator pedal following a traffic stop, the vehicle failed to gain forward momentum. The contact stated the vehicle failed to exceed 15 MPH. The contact depressed the accelerator pedal...”
Official NHTSA Safety Recalls (8)
TIRES
Summary: 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.
POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: 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.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Summary: 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.
TIRES
Summary: 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.
AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR
Summary: 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.
POWER TRAIN:AUTOMATIC TRANSMISSION
Summary: 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.
STRUCTURE:FRAME AND MEMBERS
Summary: 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.
AIR BAGS:SIDE/WINDOW:CURTAIN
Summary: 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.
Tools for Diagnosing the 2020 Chevrolet Traverse
Reads & clears all DTC codes including ABS, SRS, TPMS. Live sensor data with freeze frames. Works on all 1996+ vehicles.
Pre-gapped OEM-spec iridium plugs restore smooth combustion on misfiring cylinders.
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Pre-Purchase Inspection Checklist for 2020 Chevrolet Traverse
Before purchasing a used 2020 Chevrolet Traverse, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 8 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2020 Chevrolet Traverse
Is the 2020 Chevrolet Traverse a reliable used car?
The 2020 Chevrolet Traverse earns a 5.3/10 MazicBay Reliability Index based on 219 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2020 Chevrolet Traverse?
The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 49,000 miles (IQR: 28,750 – 71,026 mi).
Are there free recall repairs available for the 2020 Chevrolet Traverse?
Yes, the NHTSA records 8 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.