2020
This problem appears in the reviewed records for this model year.
See the year recordReported years
Manufacturer service campaign: GMC Sierra 1500 years in the records
Official record covers model years 2020 through 2022. A year on this list does not mean every car has the problem.
Years we reviewed
2021
This problem appears in the reviewed records for this model year.
See the year record2022
This problem appears in the reviewed records for this model year.
See the year recordWhat to inspect
- 1Ask the inspector to test the named system and record the result.
Sources and limits
Source recordEvidence: High confidence
The records describe a problem worth checking before purchase.
“Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.”
Source recordEvidence: High confidence
The records describe a problem worth checking before purchase.
“Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.”
Source recordEvidence: High confidence
The records describe a problem worth checking before purchase.
“Certain vehicles listed above, may have a condition where the transmission control valve has worn, resulting in a gradual loss of pressure within the valve. The effects can cause harsh shifting, setting a service engine soon message, reduced engine performance or P0747 diagnostic trouble code. Dealers are to install a new control valve body. The repairs will be made at no charge to the customer.”