Honda HR-V: DTC Troubleshooting 81-13: 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.
- Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
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Is DTC 81-13 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.
- Test-drive the vehicle.
NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
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Is DTC 81-13 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.
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
NOTE:
Troubleshoot any PGM-FI, AT or CVT DTCs first.
Before you troubleshoot, review the general troubleshooting information.
VSA will set 83-11 if any PGM -FI DTC's exist.
VSA will set 83-12 if
SEE MORE:
Your audio system reads and plays sound files on a USB flash drive in either
MP3,
WMA or AAC*1 format.
Connect your USB flash drive to the USB port, then select the USB mode.
*1: Only AAC format files recorded with iTunes are playable on this unit.
*2: Some or all of the lists may not be displaye
Checking the Battery
The battery condition is being monitored by the sensor on the negative
terminal. If
there is a problem with the sensor, the warning message on the information
display
will let you know. Have your vehicle checked by a dealer.
Check the battery terminals for corrosion monthly.