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.

DTC Description
DTC
Freeze Frame
21-11 Right-Front Magnetic Encoder Malfunction (Pulse Missing)
    
22-11 Left-Front Magnetic Encoder Malfunction (Pulse Missing)
    
23-11 Right-Rear Magnetic Encoder Malfunction (Pulse Missing)
    
24-11 Left-Rear Magnetic Encoder Malfunction (Pulse Missing)
    

1.
Problem verification:

Problem verification
?1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?2.
Clear the DTC with the HDS.


?3.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?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.
DTC Description
DTC
Freeze Frame
21-11 Right-Front Magnetic Encoder Malfunction (Pulse Missing)
    
22-11 Left-Front Magnetic Encoder Malfunction (Pulse Missing)
    
23-11 Right-Rear Magnetic Encoder Malfunction (Pulse Missing)
    
24-11 Left-Rear Magnetic Encoder Malfunction (Pulse Missing)
    

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), or press the engine start/stop button to select the OFF mode.

?2.
Inspect the appropriate magnetic encoder for damage, debris, and correct installation.
DTC
Appropriate Magnetic Encoder
Note
21-11
Right-front
Remove the driveshaft outboard joint from the appropriate wheel hub.
22-11
Left-front
23-11
Right-rear
Remove the hub bearing unit.
24-11
Left-rear

Is the magnetic encoder surface OK?

     
YES
     
     
     
Replace the wheel bearing or the hub bearing unit.?
     
NO
     
     
     
Clean the 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 or the hub bearing unit.?