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:
Controls
Clock
Models with navigation system
The navigation system receives signals from
GPS satellites, updating the clock
automatically.
Models without navigation system
The clock in the information display is
automatically updated along with the audio
system's clock display.
Models with display audio sys
VSA OFF Switch Removal, Installation, and Test
Removal and Installation
1. Driver's Dashboard Lower Cover - Remove
2. VSA Off Switch - Remove
Square type
Circle type
3. All Removed Parts - Install
Install the parts in the reverse order of removal.
Test
1. VSA Off Switch - Test
On the switch side, check for continuity between the connecto
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