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NHTSA Recall 20V668000: Automatic transmission (power train)

General Motors LLC reported this safety recall to NHTSA on , covering an estimated 194,105 vehicles. It affects 12 models including the Buick Enclave.

194,105
vehicles potentially affected
12
models affected
2020
owners notified (December 15)
NHTSA campaign20V668000
Manufacturer campaignN202313440
ComponentPOWER TRAIN › AUTOMATIC TRANSMISSION
Report receivedOctober 29, 2020
Owner notificationDecember 15, 2020
Initiated byManufacturer

Defect

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.

Safety 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.

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Vehicles covered by recall 20V668000

Make and modelModel years
Buick Enclave2019, 2020
Buick Encore2019, 2020
Buick Lacrosse2018, 2019
Cadillac XT42019, 2020
Cadillac XT62020
Chevrolet Blazer2019, 2020
Chevrolet Cruze2018, 2019
Chevrolet Equinox2018, 2019, 2020
Chevrolet Malibu2018
Chevrolet Traverse2018, 2019, 2020
GMC Acadia2019, 2020
GMC Terrain2018, 2019, 2020

Being listed here means the campaign covers the model year, not that every car was built with the defect or is still unrepaired. Enter your VIN above to check your specific vehicle. Recall repairs are free at authorised dealers. Source: NHTSA, October 2026.