P278B Possible Causes
- Faulty kick switch
- Kick switch harness is open or shorted
- Poor electrical connection in the kick switch circuit
How to Fix Code P278B
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
Possible Symptoms
Engine light on (or service engine soon warning light)
P278B Meaning
The Transmission Control Module (TCM) monitors the kick switch circuit signal. The TCM sets the OBDII code when the kick switch circuit signal is outside factory specifications.