DTC Troubleshooting: P0979, P0980: Overview
- DTC P0979: If the shift solenoid valve C return signal does not match with the ON command of the TCM, the TCM determines an abnormality and stores the DTC.
- DTC P0980: If the shift solenoid valve C return signal does not match with the OFF command of the TCM, the TCM determines an abnormality and stores the DTC.