Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
VSA System Symptom Troubleshooting Index
When the vehicle has one of these symptoms, check for VSA diagnostic trouble codes (DTCs) with the HDS. If there are no DTCs, do the diagnostic procedure for the symptom, in the sequence listed, until you find the cause.
| Symptom | Diagnostic procedure | Also check for |
|---|---|---|
| HDS does not communicate with the VSA modulator-control unit or the vehicle | Go to the DTC troubleshooting index . | Power and ground at the VSA modulator-control unit. |
| ABS indicator, brake system indicator (red), VSA indicator, or VSA OFF indicator does not come on at start-up (bulb check) | Do the gauge control module self-diagnostic function . | |
| VSA OFF indicator does not go off | ||
| ABS indicator, brake system indicator (red), VSA indicator, and brake system indicator (amber) do not go off | NOTE:
If any of the CAN communication failure DTC is indicated in other system, troubleshoot the DTC first.
|
Refer to the followings about the indicator operating condition;
Refer to the followings about the circuit troubleshooting; |
| VSA cannot be turned OFF |
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.