Possible causes of DODGE Code P128B
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Poor electrical connection in Transmission Control Module (TCM) circuit
How is DODGE Code P128B repaired?
Start by checking 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 pins.
Possible symptoms of DODGE Code P128B?
- Engine Light ON (or Service Engine Soon Warning Light)
What does DODGE Code P128B mean?
The Powertrain Control Module (PCM) monitors the Transmission Control Module (TCM). The PCM sets the OBDII code when the Transmission Control Module (TCM) does not meet factory specifications.