NHTSA recall 26V083000
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 | 26V083000 |
| Manufacturer's number | N252516560 |
| Manufacturer | General Motors, LLC |
| Reported | 2026-02-12 |
| Owners notified | 2026-03-06 |
| Component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT:VALVES/VALVE BODY |
| Units potentially affected | 1055 |
| Part numbers | 24053053, 24048701, 24298877, 24299093, 24043767, 24049465, 24044192, 24047995 |
| Report | Quarterly report 2, for 2026 quarter 2 |
|---|---|
| Filed with NHTSA | 2026-07-21 |
| Vehicles in the campaign | 1055 |
| Reported remedied | 514 (48%) |
| Reported unreachable | 12 |
| Reported removed | 2 |
These are the manufacturer's totals for the whole campaign at the end of 2026 quarter 2, 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 is recalling certain 2020 Chevrolet Silverado 2500, 3500, GMC Sierra 2500, 3500, and 2020-2022 Chevrolet Silverado 1500 and GMC Sierra 1500 vehicles that may have been repaired incorrectly under recall 24V797. The transmission control valve may fail and cause the rear wheels to lock up.
What can happen
Rear wheel lock up increases the risk of a crash.
The remedy
Dealers will inspect the vehicles and update the transmission control software, free of charge. Owner notification letters were mailed March 6, 2026. Owners may contact GMC customer service at 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N252516560. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
| 2020 CHEVROLET SILVERADO 1500 | Built 2019-08-16 to 2020-09-11. Listed as a series or trim of this model. |
|---|---|
| 2021 CHEVROLET SILVERADO 1500 | Built 2020-09-17 to 2021-09-20. Listed as a series or trim of this model. |
| 2022 CHEVROLET SILVERADO 1500 | Built 2021-10-18 to 2022-03-10. Listed as a series or trim of this model. |
| 2020 CHEVROLET SILVERADO 2500 | Built 2019-08-13 to 2019-08-13. Listed as a series or trim of this model. |
| 2020 CHEVROLET SILVERADO 3500 | Built 2019-12-08 to 2019-12-08. Listed as a series or trim of this model. |
| 2020 GMC SIERRA 1500 | Built 2019-11-11 to 2020-09-12. Listed as a series or trim of this model. |
| 2021 GMC SIERRA 1500 | Built 2020-09-21 to 2021-09-22. Listed as a series or trim of this model. |
| 2022 GMC SIERRA 1500 | Built 2021-10-19 to 2022-02-28. Listed as a series or trim of this model. |
| 2020 GMC SIERRA 2500 | Built 2019-08-13 to 2019-08-13. Listed as a series or trim of this model. |
| 2020 GMC SIERRA 3500 | Built 2019-12-08 to 2019-12-08. Listed as a series or trim of this model. |
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
| 23-NA-102 | 2023-09-09. Service bulletin. This service bulletin provides a procedure to repair wiring to correct customer concerns of Driveability, Hesitation, Transmission Shifting Rough/Harsh, Malfunction Indicator Lamp (MIL) Illuminated. |
|---|---|
| 17-NA-066 | 2023-07-25. Service bulletin. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test. |
| PIP5926A | 2023-07-17. Service bulletin. This Preliminary information communicates that the t-case input seal, and/or the o-ring most likely is the source of the leak between the transmission and the t-case. |
| PIP5853C | 2023-05-15. Service bulletin. This PI communicates to dealers and technicians a possible diode issue in the TCCM, and how to properly diagnose for a diode issue. |
| 16-NA-130 | 2023-03-08. Service bulletin. This service bulletin provides information for after installation of a replacement upper valve body, the transmission may have no Reverse and no 2nd gear. |
| N222383250 | 2023-01-11. Service bulletin. Service Update- Certain vehicles may experience a Malfunction Indicator Lamp (MIL). Transmission shift quality may be impacted. Dealers are to replace the Transmission Control Module. |
| N222380840 | 2022-11-17. Service bulletin. General Motors has decided to conduct a Voluntary Emissions Recall on certain vehicles with a 6.6L engine (RPO L8T). The Transmission Control Module (TCM) in these vehicles may have been service reprogrammed with incorrect calibrations. If this occurred, the transmission shift quality and timing could be degraded. Dealers are to reprogram the TCM. |
| 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. |
| N222376590 | 2022-08-02. Service bulletin. Service Update - certain vehicles may have a transmission control module that may not have been correctly programmed. Dealers are to reprogram the transmission control module. |
| 22NA022 | 2022-06-21. Service bulletin. This Informational bulletin advises the technician of a possible oil leak at the front cover and how to diagnose it to verify if it is coming from the seal or not. |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.