44-21
SH AWD DTC Troubleshooting: 44-21
DTC 44-21:
SH-AWD Control Unit
NOTE: Before you troubleshoot, review the general troubleshooting information Initial Inspection and Diagnostic Overview.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0), then turn the ignition switch back to ON (II).
4. Check for DTCs with the HDS.
Is DTC 44-21 indicated?
YES -
Substitute a known-good SH-AWD control unit Service and Repair and recheck. If the symptom/indication goes away with the known-good SH-AWD control unit, replace the original SH-AWD control unit Service and Repair.
NO -
Intermittent failure, the system is OK at this time.