NHTSA recall 20V668000
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 20V668000 |
| Manufacturer's number | N202313440 |
| Manufacturer | General Motors LLC |
| Reported | 2020-10-29 |
| Owners notified | 2020-12-15 |
| Component | POWER TRAIN:AUTOMATIC TRANSMISSION |
| Units potentially affected | 194105 |
| Part numbers | 24292629, 24292557 |
| Report | Annual report 3, for 2024 quarter 4 to 2025 quarter 3 |
|---|---|
| Filed with NHTSA | 2025-10-06 |
| Vehicles in the campaign | 194105 |
| Reported remedied | 159635 (82%) |
| Reported unreachable | 133 |
| Reported removed | 248 |
These are the manufacturer's totals for the whole campaign at the end of 2025 quarter 3, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
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.
What can happen
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.
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.
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.
Bulletins for the same vehicles and component
| PIP5944 | 2023-12-04. Service bulletin. This Preliminary Information communication advises the technician to determine if the incorrect part number TCM has been installed causing DTC P30D9 to set |
|---|---|
| 17-NA-066 | 2023-07-25. Service bulletin. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. |
| PIP5924 | 2023-06-13. Service bulletin. This Preliminary Information communication advises the technician of a normal characteristic of the neutral idle feature on a 6T40 transmission |
| PIP5621C | 2022-10-17. Service bulletin. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC. |
| PIT5847E | 2022-08-15. Service bulletin. This Preliminary information communicates that a vehicle may come into the dealer with various concerns which may include a service engine light or various warning messages on the DIC. The technician is instructed to inspect a wiring harness for chaffing on a bracket which is located beneath the battery tray, at a transmission stud and at the transmission oil cooler line bracket. If damage to the harness is found the technician is instructed to repair the damaged wiring and secure the harness away from the bracket so that future damage to the harness will be eliminated. |
| 22-NA-107 | 2022-06-04. Service bulletin. This service bulletin provides repair information to correct a customer concern of a Service AWD Message in DIC at Ignition On with DTC C056D Set. |
| 18NA358 | 2022-05-31. Service bulletin. This service bulletin provides a procedure to replace the upper and lower valve body housings to correct customer concerns of launch shudder, 2-3 Upshift or 3-2 Downshift concerns. |
| 21NA169 | 2021-12-27. Service bulletin. This service bulletin provides diagnostic information/procedures to aid the service technician in diagnosing 9T45/50/60 automatic transmissions with low mileage and DTCs current or history related to the control solenoids and valves. |
| PIC6448 | 2021-12-13. Service bulletin. This Preliminary information communicates That Techline connect is Not supporting the progaming of the T6 PIM / HPCM. and advies them to call Techline. |
| PIP5812A | 2021-09-13. Service bulletin. This Preliminary information communicates the possibility of dtc p0299 p0234 setting due to oil/moisture cndensate freezing in Turbocharger Wastegate Regulator Solenoid Valve (TCV) during cold weather driving |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.