Honda HR-V Owners & Service Manuals

Honda HR-V: DTC U3000-49 (78-XX): Control Module Internal Control Module Malfunction (AWD)

Honda HR-V (2015-2021) Service Manual / Driveline & Axles / AWD System - Diagnostics / DTC U3000-49 (78-XX): Control Module Internal Control Module Malfunction (AWD)

NOTE: Before you troubleshoot, review the General Troubleshooting Information for the AWD with intelligent control system.

AWD System - Diagnostics

1. Problem verification:

  1. Turn the vehicle to the ON mode.
  2. Clear the DTC with the HDS.
  3. Start the engine.
  4. Check for DTCs with the HDS.

AWD System - Diagnostics

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.

AWD System - Diagnostics

1. Problem verification:

  1. Turn the vehicle to the ON mode.
  2. Update the AWD control unit. if it does not have the latest software.
  3. Clear the DTC with the HDS.
  4. Start the engine.
  5. Clear the DTC with the HDS.

AWD System - Diagnostics

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.

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