DTC 41-11, 42-11, 43-11, 44-11

DTC 41-11  : Right-Front Wheel Lock

DTC 42-11  : Left-Front Wheel Lock

DTC 43-11  : Right-Rear Wheel Lock

DTC 44-11  : Left-Rear Wheel Lock

The DTCs may be indicated under these conditions:

• The vehicle goes into a spin.
• The ABS or VSA continues to operate for a long time.
• Snow, dirt, or debris build-up on the wheel speed sensor or magnetic encoder.
• Misadjusted brake pedal position switch.
• Contaminated brake fluid.

NOTE: Before you troubleshoot, review the general troubleshooting information .

DTCs (VSA)

1. Brake drag check

   -1. Drive the vehicle to see if the brakes drag or if the pedal is high and hard. This can take 20 or more brake pedal applications during an extended test-drive.

   -2. With the engine running, raise and support the vehicle , then spin the appropriate wheel by hand.

   DTC	Appropriate Wheel
   41-11	Right-front
   42-11	Left-front
   43-11	Right-rear
   44-11	Left-rear

   Is there brake drag?

   YES 

   Repair the brake drag .

   NO 

   Go to step 2.

2. Wheel speed sensor installation check

   -1. Check that the appropriate wheel speed sensor is properly mounted .

   DTC	Appropriate Wheel Speed Sensor
   41-11	Right-front
   42-11	Left-front
   43-11	Right-rear
   44-11	Left-rear

   Is the wheel speed sensor installation OK?

   YES 

   Go to step 3.

   NO 

   Reinstall the wheel speed sensor , and recheck the mounting position.

3. Problem verification

   -1. Turn the vehicle to the ON mode.

   -2. Clear the DTC with the HDS.

   -3. Turn the vehicle to the OFF (LOCK) mode.

   -4. Test-drive the vehicle at 6 mph (10 km/h) for 20 seconds 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

   Is DTC 41-11, 42-11, 43-11, or 44-11 indicated?

   YES 

   The failure is duplicated. Go to step 4.

   NO 

   If any other DTCs are indicated, go to the indicated DTCs troubleshooting. If DTCs are not indicated, intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .

4. VSA modulator-control unit check (update)

   -1. Update the VSA modulator-control unit if it does not have the latest software .

   -2. Turn the vehicle to the OFF (LOCK) mode.

   -3. Test-drive the vehicle at 6 mph (10 km/h) for 20 seconds or more.

   NOTE:  Drive the vehicle on the road, not on a lift.

   -4. Check for DTCs with the HDS.

   DTC Description	DTC	Freeze Frame

   Is DTC 41-11, 42-11, 43-11, or 44-11 indicated?

   YES 

   Check for loose terminals in the VSA modulator-control unit 21P connector. If the VSA modulator-control unit was updated and the symptom/indication is still present, replace the VSA modulator-control unit .

   NO 

   Troubleshooting is complete. If any other DTCs are indicated, go to the indicated DTCs troubleshooting.