Buick Enclave, Buick Encore, Buick Lacrosse, Cadillac Xt4, Cadillac Xt6, Chevrolet Blazer, model years 2018 to 2020. Filed by General Motors LLC and reported to NHTSA on 29 October 2020. 194,105 vehicles potentially affected.
What the notice says 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 …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
The maker's own number for this recall: N202313440. That is the number on the owner letter and on the dealer paperwork. 20V668 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 20V668 cover?
- Buick Enclave, Buick Encore, Buick Lacrosse, Cadillac XT4, Cadillac XT6, Chevrolet Blazer, Chevrolet Cruze, Chevrolet Equinox, model years 2018-2020.
- What is wrong with them?
- 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.
- What can happen if it is not put right?
- 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.
- Is there a fix yet?
- Yes, and it is free. 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.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. The maker calls this recall N202313440, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “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 increas…”
affected
in the notice
caught
| Campaign | 20V668 |
|---|---|
| Filed by | General Motors LLC |
| System at fault | Power Train:Automatic Transmission |
| Reported to NHTSA | 29 October 2020 |
| Model years | 2018-2020 |
| Vehicles named | BUICK ENCLAVE, BUICK ENCORE, BUICK LACROSSE, CADILLAC XT4, CADILLAC XT6, CHEVROLET BLAZER, CHEVROLET CRUZE, CHEVROLET EQUINOX, CHEVROLET MALIBU, CHEVROLET TRAVERSE, GMC ACADIA, GMC TERRAIN |
What the notice says today
The consequence
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.
The 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.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 816 notices in the record whose component field names power train. Across that group the median wait before owners were written to was 42 days.
Last checked . No change has been recorded in the wording.
The models named here, across their whole recall history
- Buick Enclave recalls: 24 US campaigns
- Buick Encore recalls: 13 US campaigns
- Buick Lacrosse recalls: 18 US campaigns
- Cadillac XT4 recalls: 8 US campaigns
- Cadillac XT6 recalls: 12 US campaigns
- Chevrolet Blazer recalls: 9 US campaigns
- Chevrolet Cruze recalls: 26 US campaigns
- Chevrolet Equinox recalls: 25 US campaigns
- Chevrolet Malibu recalls: 34 US campaigns
- Chevrolet Traverse recalls: 28 US campaigns
- GMC Acadia recalls: 32 US campaigns
- GMC Terrain recalls: 21 US campaigns
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 20V668, wording as read on 16 September 2026. https://carsmultiverse.com/recall/20v668/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 20V668 on 23 August 2026, they were:
- Defect summary
41ba1885 - Consequence
6e672161 - Remedy
63098620
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 20V668 · how the whole register is watched
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