The P0883 trouble code indicates that the transmission control module (TCM) has detected a high voltage condition in its power input signal.
P0883 TCM Power Input Signal High
Code symptoms P0883.
1. Check Engine Light (CEL) is illuminated.
2. The transmission may enter into limp mode, restricting gear selection and performance.
3. Difficulty shifting gears.
4. Harsh shifting or transmission slipping.
5. Decreased fuel efficiency.
Causes of the code P0883.
1. Faulty voltage regulator.
2. Short to power in the TCM power input circuit.
3. Corroded or loose electrical connections in the TCM power circuit.
4. Blown fuse related to the TCM power supply.
5. Faulty transmission control module (TCM).
Code Solutions P0883.
1. Replace the voltage regulator if it’s faulty.
2. Repair any short to power in the TCM power input circuit.
3. Clean and tighten any corroded or loose electrical connections in the TCM power circuit.
4. Replace any blown fuses related to the TCM power supply.
5. If the TCM itself is faulty, it may need to be replaced and reprogrammed.
6. Clear the trouble codes from the vehicle’s computer after repairs are complete.
7. Test drive the vehicle to confirm that the issue has been resolved.