Honda HR-V: DTC Troubleshooting 121-11, 122-11, 123-11, 124-11: VSA Solenoid Valve Malfunction
Honda HR-V (2015-2021) Service Manual / Brakes / VSA System - Diagnostics / DTC Troubleshooting / DTC Troubleshooting 121-11, 122-11, 123-11, 124-11: VSA Solenoid
Valve 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 121-11, 122-11, 123-11, or 124-11 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 to the ON mode.
- Check for DTCs with the HDS.
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Is DTC 121-11, 122-11, 123-11, or 124-11 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:
DTC Troubleshooting 151-11: Low Tire Air Pressure
NOTE:
Before troubleshooting, check the outside air temperature sensor. If
outside air temperature sensor is
failed, the VSA modulator-control unit may set this code.
Make sure to avoid lopsided
DTC Troubleshooting 21-11, 22-11, 23-11, 24-11: Magnetic Encoder
Malfunction (Pulse Missing)
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 ve
DTC Troubleshooting 25-120: Yaw Rate Sensor (Inside of
Modulator-Control Unit) Stuck
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
SEE MORE:
How to Troubleshoot the Audio System
NOTE: Refer to How to Troubleshoot the Navigation System for information
about the audio-navigation unit.
How to Recognize Audio unit and Audio-Navigation Unit (Display Audio Type
(7-Inch Screen) )
There are two kinds of 7-inch display audio units depending on vehicle model.
These units exist as
Audio Check - Audio System Diagnostic Mode
These screens allow you to troubleshoot the audio function.
ANC Check (Not supported)
Speaker Check (B)
Speaker Check
NOTE:
Make sure the audio system is off before this diagnosis.
While doing the diagnosis, the fader and the balance positions are set
to the center.
This diagnosis checks
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