Operation CHARM: Car repair manuals for everyone.

Real Time AWD Control Unit - Internal Malfunction




Control System DTCs

DTC Troubleshooting: U3000-49

DTC U3000-49 : Control Module Internal Control Module Malfunction

NOTE: Before you troubleshoot, review the how to troubleshoot the real time AWD system.


1. Problem verification:

-1. Turn the ignition switch to ON (II).

-2. Clear the DTC with the HDS.

-3. Start the engine.

-4. Check for DTCs with the HDS.

Is DTC U3000-49 indicated?
-YES- Update the real time AWD control unit if it does not have the latest software Real Time AWD Control Unit Update, or substitute a known-good real time AWD control unit Service and Repair, and recheck. If the symptom/indication goes away with the updated real time AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good real time AWD control unit, replace the original real time AWD control unit Service and Repair.
-NO- Intermittent failure, the system is OK at this time.