OFFICIAL CAMPAIGN FILE

NHTSA campaign 20V668000

NHTSA campaign 20V668000 covers 16 published year-and-model reports from 4 makes in this index and lists 194,105 potentially affected units campaign-wide. VIN eligibility must be checked separately.

Report received October 29, 2020 · Snapshot September 21, 2026

01 / DEFECT RECORD

What NHTSA campaign 20V668000 says

NHTSA campaign 20V668000 identifies POWER TRAIN and states that 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.

Defect 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.

Consequence summary

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.

02 / CORRECTIVE ACTION

Remedy for NHTSA campaign 20V668000

For NHTSA campaign 20V668000, the filed corrective action says: 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.

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.

Owner notification: December 15, 2020
Filing manufacturer: General Motors LLC
Component groups: POWER TRAIN

03 / PUBLISHED VEHICLES

Vehicles listed under NHTSA campaign 20V668000

RecallRoad links 16 year-and-model reports associated with NHTSA campaign 20V668000; the list reflects published source rows, not individual VIN coverage.