Power train: automatic transmissionRecall 20V-668 · Buick and Cadillac vehicles

General Motors LLC recall 20V-668 covers 194,105 Buick and Cadillac vehicles for a power train: automatic transmission problem, reported to NHTSA on October 29, 2020. The manufacturer's latest report (2023 Q2) shows 79% of affected vehicles repaired.

79%
Vehicles repaired153,928 of 194,105 · 2023 Q2
Vehicles affected194,10512 models
ReportedOct 29, 2020Owners notified Dec 15, 2020
Complaints since1,075Same system, after the recall

Source: NHTSA recall 20V668000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

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.

The 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.

What to do

The fix

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.

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.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

79%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 155 vehicles were listed as unreachable.

0%50%100%2020 Q42023 Q2