C2506 Code: Meaning, Causes, and Symptoms | OBD2 Codes

C2506 – Transmission Shift Level Position Signal Plausibility Failure


C2506 Possible Symptoms


Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)


C2506 Possible Causes


Faulty Transmission Control Module (TCM),Transmission Control Module (TCM) harness is open or shorted,Transmission Control Module (TCM) circuit poor electrical connection


C2506 Description


The Drivetrain Control Module (DTCM) monitors the Transmission Shift Level Position. The DTCM sets the OBDII code when the Transmission Shift Level Position is not to factory specifications.