DTC 21-11: Right-Front Magnetic Encoder Malfunction (Pulse Missing); DTC 22-11: Left-Front Magnetic Encoder Malfunction (Pulse Missing); DTC 23-11: Right-Rear Magnetic Encoder Malfunction (Pulse Missing); DTC 24-11: Left-Rear Magnetic Encoder Malfunction (Pulse Missing)
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NOTE:
Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION
).
- Turn the ignition switch to ON (II).
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0).
- Test-drive the vehicle at 12 mph (20 km/h) or more, and go a distance of 328 ft (100 m) or more.NOTE: Drive the vehicle on the road, not on a lift.
- Check for DTCs with the HDS.
Is DTC 21-11, 22-11, 23-11, and/or 24-11 indicated?
YES -Go to next step.
NO -Intermittent failure, the system is OK at this time. Check for loose terminals between the wheel speed sensor 2P connector and the VSA modulator-control unit 22P connector. Refer to INTERMITTENT FAILURES TROUBLESHOOTING .
- Turn the ignition switch to LOCK (0).
- Inspect the appropriate magnetic encoder for damage, debris, and correct installation.TERMINAL REFERENCE
DTC Appropriate Magnetic Encoder Note 21-11 Right-front Remove the driveshaft outboard joint from the appropriate wheel hub (see KNUCKLE/HUB/WHEEL BEARING REPLACEMENT ). 22-11 Left-front 23-11 Right-rear Remove the hub bearing unit (see KNUCKLE/HUB BEARING UNIT REPLACEMENT ). 24-11 Left-rear Is the magnetic encoder surface OK?
YES -Remove the debris from the magnetic encoder, or replace the wheel bearing (front) or the hub bearing unit (rear):
- Front: Replace the wheel bearing (see KNUCKLE/HUB/WHEEL BEARING REPLACEMENT ).
- Rear: Replace the hub bearing unit (see KNUCKLE/HUB BEARING UNIT REPLACEMENT ).
NO -Clean debris from the appropriate magnetic encoder surface on the wheel bearing or the hub bearing unit, then go to 1 and recheck. If the DTC is still present, replace the appropriate wheel bearing or hub bearing unit.