Honda HR-V: DTC Troubleshooting 81-11: Modulator-Control Unit Internal Circuit
Malfunction
NOTE: Before you troubleshoot, review the general troubleshooting
information.
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1. Problem verification:
- Turn the vehicle to the ON mode.
- Clear the DTC with the HDS.
- Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
- Check for DTCs with the HDS.
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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):
- Update the VSA modulator-control unit if it does not have the latest
software.
- Turn the vehicle to the OFF (LOCK) mode, then the ON mode.
- Check for DTCs with the HDS.
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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.
READ NEXT:
NOTE: Before you troubleshoot, review the general troubleshooting
information.
1. Problem verification:
Turn the vehicle to the ON mode.
Clear the DTC with the HDS.
Turn the vehicle to the OFF (
NOTE:
Before you troubleshoot, review the general troubleshooting information.
The yaw rate-acceleration sensor is built into the VSA modulator-control
unit.
Before troubleshooting, check the VS
NOTE:
Before you troubleshoot, review the general troubleshooting information.
While doing this troubleshooting, avoid vibration or shaking of the
vehicle.
The yaw rate-acceleration sensor is bu
SEE MORE:
Continuously variable transmission models
Follow the procedure below if you cannot move the shift lever out of the (P
position.
â– Releasing the Lock
1. Set the parking brake.
Models without smart entry system
2. Remove the key from the ignition switch.
Models with smart entry system
2. Remove the b
NOTE:
Before you troubleshoot, review the general troubleshooting information.
If DTC 86-11 is indicated at the same time, do the DTC 86-11
troubleshooting first.
1. Back-up lights check:
Turn the vehicle to the ON mode.
Check the back-up lights when the shift lever is in reverse.
Are the