C1945 Code: Meaning, Causes, and Symptoms | OBD2 Codes
C1945 – Park Switch Indicates Park with Vehicle Moving
C1945 Possible Symptoms
Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)
C1945 Possible Causes
Faulty Park Switch,Park Switch harness is open or shorted,Park Switch circuit poor electrical connection
The Anti-Lock Brake System (ABS) Module monitors the Park Switch. The ABS Module sets the OBDII code when the Park Switch is not to factory specifications.