DTC Troubleshooting: 21, 22, 23, 24

DTC 21, 22, 23, 24:  Magnetic Encoder

1.Clear the DTC.

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

Does the ABS indicator come on, and are DTCs 21, 22, 23, and/or 24 indicated?


YES - Go to 3.


NO - The system is OK at this time.n


3.Check the appropriate wheel sensor and magnetic encoder (see table).

DTC Appropriate Wheel Sensor 
21 Right-front 
22 Left-front 
23 Right-rear 
24 Left-rear 

Is the encoder OK?


YES - Check for loose terminals in the VSA control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and recheck.n


NO - Replace the magnetic encoder.n