VSA System Symptom Troubleshooting Index (VSA System Components)

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

Troubleshoot the DLC circuit.

ABS indicator, brake system indicator (red), VSA indicator, brake system indicator (amber), or VSA OFF indicator does not come on at start-up (bulb check)

1.	Do the gauge control module self-diagnostic function.
2.	If the VSA modulator-control unit the symptom is still present, replace the VSA modulator-control unit.

VSA cannot be turned OFF

1.	Symptom troubleshooting.
2.	If the VSA modulator-control unit the symptom is still present, replace the VSA modulator-control unit.

VSA OFF indicator does not go off

1.	Do the VSA sensor neutral position memorization.
2.	Do the gauge control module self-diagnostic function.

ABS indicator, brake system indicator (red), VSA indicator, and brake system indicator (amber) do not go off

1.	Check for F-CAN DTCs, and troubleshoot and repair those first.
2.	Symptom troubleshooting.