Honda HR-V: DTC Troubleshooting 81-11: Modulator-Control Unit Internal Circuit Malfunction

NOTE: Before you troubleshoot, review the general troubleshooting information.

1. Problem verification:

1. Turn the vehicle to the ON mode.
2. Clear the DTC with the HDS.
3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
4. Check for DTCs with the HDS.

Is DTC 81-11 indicated?

YES

The failure is duplicated. Go to step 2.

NO

Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

2. VSA modulator-control unit check (update):

1. Update the VSA modulator-control unit if it does not have the latest software.
2. Turn the vehicle to the OFF (LOCK) mode, then the ON mode.
3. Check for DTCs with the HDS.

Is DTC 81-11 indicated?

YES

Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit.

NO

Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.

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