2019 Chevrolet Blazer Transmission & Powertrain Problems
NHTSA lists 64 Transmission & Powertrain complaints for the 2019 Chevrolet Blazer, 34% of its 186 total complaints, with a median failure mileage of 33,000 miles. One recall (20V668000) covers a related transmission accumulator issue.
- Transmission & Powertrain complaints
- 64
- 34% of 186
- Crashes reported
- 1
- Fires reported
- 0
- Injuries reported
- 1
- Median mileage
- 33,000 mi
- Related recalls
- 1
Typical transmission symptoms owners report
- Owners report a 'Shift to Park' message that appears even after the shifter is placed in park, preventing the vehicle from fully powering off or the doors from locking.
- Some describe having to move or wiggle the shifter multiple times before the transmission registers park, with dashboard chimes and flashing lights continuing until it does.
- Several owners report a shudder or vibration felt while cruising, described as similar to driving over rumble strips.
- Some report the vehicle lunging forward unexpectedly when shifting into drive after starting.
- One owner reported the vehicle losing motive power while driving, with the accelerator depressed and the engine idling but the vehicle not responding, followed by a check engine light.
When 2019 Chevrolet Blazer transmission complaints were filed
First complaint Sep 29, 2020, latest Aug 27, 2026.
Transmission & Powertrain recalls for the 2019 Chevrolet Blazer
- NHTSA 20V668000Oct 29, 2020Transmission & Powertrain194,105 vehicles
Power train:automatic transmission
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.
Risk: 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.
Transmission & Powertrain complaints by Blazer model year
Raw complaint counts per model year; newer years have had less time to accumulate complaints.
Frequently asked questions
- How many transmission complaints does the 2019 Chevrolet Blazer have?
- NHTSA lists 64 Transmission & Powertrain complaints for the 2019 Chevrolet Blazer, which is 34% of the 186 total complaints filed for the year.
- Is there a transmission recall for the 2019 Chevrolet Blazer?
- Yes. Recall 20V668000, reported in October 2020, covers a start-stop transmission accumulator issue; GM dealers inspect the accumulator and replace it if bolts are found loose.
- At what mileage do 2019 Blazer transmission problems typically show up?
- The median mileage at failure reported to NHTSA for this problem area is 33,000 miles.
- What is the 'shift to park' issue owners describe?
- Owners report a dashboard message saying 'Shift to Park' even when the shifter is in park, sometimes preventing the vehicle from powering off or the doors from locking until the shifter is moved again.
- Did any 2019 Blazer transmission complaints involve a crash?
- NHTSA data shows 1 crash and 1 injury associated with complaints in this problem area for the 2019 Chevrolet Blazer.