Range Actuator Position Not Learned
Table of contents
C038D GMC Possible Causes
- Perform Range Actuator Learn Procedure
How do I fix code C038D GMC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C038D GMC code
The cost of diagnosing the C038D GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C038D GMC 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.