Official safety recallPrompt inspection

2020 GMC Acadia · POWER TRAIN

POWER TRAIN:AUTOMATIC TRANSMISSION: recall 20V668000

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.

Covered model years
2019–2020
Evidence level
Official safety recall
Source review date
2026-10-18
Jurisdiction
United States
Record ID
gmc-acadia-nhtsa-20v668000

What the source says

The documented condition

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 identified by NHTSA

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.

Campaign 20V668000; report received 2020-10-29. Source checked 2026-10-18.

Source component: POWER TRAIN:AUTOMATIC TRANSMISSION

Compare the pattern

Symptoms and vehicle scope

Condition described by NHTSA

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.

    Vehicles and limits

    • NHTSA model names: ACADIA. Model years: 2019, 2020.
    • NHTSA campaign 20V668000
    • The complete campaign lists 194,105 potentially affected units across all listed vehicles.
    • A make, model and year match does not establish VIN eligibility.

    Manufacturer position

    What the official procedure directs

    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.

    Mileage context

    Safety recall eligibility is based on the VIN and campaign scope, not ordinary warranty mileage. Check the complete VIN even when the vehicle is outside its original warranty.

    Original evidence

    Open the documents behind this record.

    NHTSA safety recall · 20V668000 · 2020-10-29

    NHTSA campaign 20V668000

    Official component, defect, consequence and remedy; checked 2026-10-18.

    Repair paths and safe checks

    Match the action to the evidence.

    Official repair pathManufacturer or authorized dealer · Confirm with the dealer

    Official recall 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.

    Boundary

    Confirm VIN eligibility and current remedy instructions with the manufacturer.

    Safe owner checkVIN lookup · Before arranging repairs

    Check the complete VIN

    Check the 17-character VIN at NHTSA.gov/recalls and ask the manufacturer whether this campaign remains open for the vehicle.

    Boundary

    The model-year list is not proof that an individual vehicle is affected.

    Record reviewed in the source on 2026-10-18. Confirm the current document and VIN instructions before arranging work.

    How we check a problem · All records for the 2020 GMC Acadia

    Before authorizing work

    Read the method beside the problem.

    Safety and triage8 min read

    When a car is unsafe

    Stop safely when control changes, smoke appears or the manual tells you to stop. Do not use a short trip home as a test of whether the fault is serious.

    Read the guide
    Symptom diagnosis8 min read

    Car shudders or vibrates

    Stop for violent shaking, changed steering or a damaged tire. For milder vibration, the conditions you already noticed help a technician choose the inspection.

    Read the guide

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