Operation CHARM: Car repair manuals for everyone.

VSA System




VSA DTC Troubleshooting: 21, 22, 23, 24

DTC 21, 22, 23, 24: Magnetic Encoder (Wheel Bearing)

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS.

3. Test-drive the vehicle at 19 mph (30 km/h) or more.

4. Check for DTCs, with the HDS.

Is DTC 21, 22, 23 or 24 indicated?
YES - Go to step 5.

NO - The system is OK at this time. Refer to intermittent failures. Reading and Clearing Diagnostic Trouble Codes


5. Inspect the appropriate magnetic encoder for damage, debris, and correct installation (see table).





Is the magnetic encoder OK?
YES - Check for loose terminals or poor connections at the VSA modulator-control unit 47P connector. If connections are good, replace the VSA modulator-control unit, Service and Repair and recheck.

NO - Remove the debris from the magnetic encoder, or replace the wheel bearing unit:

- Front hub bearing unit Knuckle/Hub Bearing Unit Replacement

- Rear hub bearing unit Service and Repair