C038D Code: Meaning, Causes, and Symptoms | OBD2 Codes

C038D – Range Actuator Position Not Learned


C038D Possible Symptoms


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


C038D Possible Causes


Perform Range Actuator Learn Procedure


C038D Description


This is an internal programming fault detection of the transfer case control module. No external circuits are involved. This DTC is set anytime a transfer case control module is replaced or reprogrammed. The Range Actuator Learn procedure must be performed in order for the transfer case control module to learn current clutch tolerance based on clutch stackup and accumulated clutch wear.