Driveline Control Module Power Transfer Unit Control Circuit Driver

Where it lives

For C00A2, the circuit described runs through the module. The description of C00A2 reports a fault at the module.

Check these first

• A failed driver inside the driveline control module
• An open or short in the transfer unit control circuit
• Corrosion at the transfer unit connector
• A power or ground loss at the driveline module
• A software fault inside the driveline module

What to do next

1. Test the transfer unit control circuit for opens and shorts
2. Inspect the transfer unit and module connectors
3. Check power and ground at the driveline module
4. Reprogram or replace the module if the driver is faulty
5. Clear the code and retest

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