Transmission Control Module Power Control Circuit Open
Table of contents
P128D DODGE Possible Causes
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Transmission Control Module (TCM) circuit poor electrical connection
How do I fix code P128D DODGE?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P128D DODGE code
The cost of diagnosing the P128D DODGE code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P128D DODGE Description
The Powertrain Control Module (PCM) monitors the Transmission Control Module (TCM). The PCM sets the OBDII code when the Transmission Control Module (TCM) is not to factory specifications.