P0920 – Forward Shift Actuator Circuit / Open
P0920 Possible Causes
- Faulty shift actuator
- Forward shift actuator wiring harness is open or short-circuited
- Poor electrical connection in the shift actuator circuit
What does it mean?
How to fix code P0920
Check the “possible causes” listed above. Visually inspect the wiring harness and related connectors. Look for damaged components and check for broken, bent, pushed out, or corroded connector pins.
P0920
Symptoms
Possible
Engine light on (or service engine soon warning light)
P0920 Meaning
The Transmission Control Module (TCM) monitors the forward shift actuator. The TCM sets the OBDII code when the forward shift actuator does not meet factory specifications.