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.