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)

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, or 24-11 indicated?

YES -Go to step 6.

NO -Intermittent failure, the system is OK at this time. Refer to INTERMITTENT FAILURES TROUBLESHOOTING
Turn the ignition switch to LOCK (0).

Inspect the appropriate magnetic encoder for damage, debris, and correct installation.

DTC	Appropriate Magnetic Encoder
21-11	Right-front
22-11	Left-front
23-11	Right-rear
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 KNUCKLE/HUB/WHEEL BEARING REPLACEMENT
Rear: Replace the hub bearing unit 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 step 1 and recheck. If the DTC is still present, replace the appropriate wheel bearing or hub bearing unit.