NOTE: Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system.
1. Problem verification:
Is DTC U3000-49 indicated?
YES
The failure is duplicated. Update the AWD control unit if it does not have the latest software, or substitute a known-good AWD control unit, and recheck. If the symptom/indication goes away with the updated AWD control unit, troubleshooting is complete. If the symptom/indication goes away with a known-good AWD control unit, replace the original AWD control unit.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.
DTC U3000-51 (91-01): CONTROL MODULE PROGRAMMING ERROR (AWD)
NOTE: Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system.
1. Problem verification:
Is DTC U3000-51 indicated?
YES
The failure is duplicated. Substitute a known-good AWD control unit, and recheck. If the symptom/indication goes away with a known-good AWD control unit, replace the original AWD control unit.
NO
Intermittent failure, the system is OK at this time. If the freeze data/on-board snapshot of this DTC is recorded, try to reproduce the failure under the same conditions with the Freeze data/on-board snapshot.