Honda HR-V: DTC Troubleshooting 54-11, 54-12: Fail-Safe Relay Stuck
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 54-11 or 54-12 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. Fuse check:
- Turn the vehicle to the OFF (LOCK) mode.
- Check the following fuse.
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Is the fuse OK?
YES
The fuse is OK. Reinstall the fuse, then go to step 5.
NO
Go to step 3.
3. Shorted wire check (+B ABS/VSA FSR line):
- Disconnect the following connector.
VSA modulator-control unit 21P connector
- Check for continuity between test points 1 and 2.
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Is there continuity?
YES
Repair a short to body ground in the +B ABS/VSA FSR wire between the No. D5
(30 A) fuse in the
auxiliary under-dash fuse box A and the VSA modulator-control unit.
NO
The +B ABS/VSA FSR wire is OK. Install a new No. D5 (30 A) fuse in the
auxiliary under-dash fuse box
A, then go to step 4.
4. VSA modulator-control unit check:
- Reconnect the following connector.
VSA modulator-control unit 21P connector
- 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 54-11 or 54-12 indicated?
YES
Go to step 5.
NO
The troubleshooting is complete.
5. 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 to the ON mode.
- Check for DTCs with the HDS.
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Is DTC 54-11 or 54-12 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.
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.
1. Brake light relay relay check:
Turn the vehicle to the OFF (LOCK) mode.
Check the brake lights without pressing t
SEE MORE:
Removal & Installation
1. Rear Door Panel - Remove
2. Rear Door Plastic Cover - Remove
Remove the plug cap (A)
Remove the rear door plastic cover (B) as needed.
NOTE : If the plastic
cover is damaged or torn, replace it with a new one.
3. Rear Door Checker - Remove
Fig. 2: Rear Door Chec
Removal & Installation
1. Tailgate Lower Trim Panel - Remove - Refer to: Interior Trim Removal and
Installation - Door Areas,
or Interior Trim Removal and Installation - Tailgate Areas, or Interior Trim
Removal and
Installation - Rear Side Area, or Interior Trim Removal and Installation - Carg