VSA System

Control System DTCs

VSA DTC Troubleshooting: 21-11, 22-11, 23-11, 24-11

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 Reading and Clearing Diagnostic Trouble Codes.

1. Problem verification:

Problem verification
-1. Turn the ignition switch to ON (II).

-2. Clear the DTC with the HDS.

-3. Turn the ignition switch to LOCK (0).

-4. 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.

-5. Check for DTCs with the HDS.

Is DTC 21-11, 22-11, 23-11, or 24-11 indicated?
-YES- The failure is duplicated. Go to step 2.
-NO- Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting.

2. Magnetic encoder check:

Magnetic encoder check
-1. Turn the ignition switch to LOCK (0).

-2. Inspect the appropriate magnetic encoder for damage, debris, and correct installation.





Is the magnetic encoder surface OK?
-YES- Replace the wheel bearing Front Wheel Bearing Replacement or the hub bearing unit Rear Hub Bearing Unit Replacement (Drum Brake).
-NO- Clean debris from the appropriate magnetic encoder surface on the wheel bearing or the hub bearing unit. If the DTC is still present, replace the appropriate wheel bearing Front Wheel Bearing Replacement or the hub bearing unit Rear Hub Bearing Unit Replacement (Drum Brake).