Manufacturer Code Charts: 88

VSA DTC Troubleshooting: 88

DTC 88:

Difference in Wheel Speed

NOTE: After setting the front toe always perform the steering angle sensor writing procedure Testing and Inspection.

1. Check all four tires.

Are all four tires the correct size and properly inflated?

YES -

Go to step 2.

NO -

Install the correct tires or set the tires to the correct pressure, and recheck by test-driving.�

2. Check all wheel speed sensors Service and Repair.

Are the wheel speed sensors installed correctly and in good condition?

YES -

Go to step 3.

NO -

Reinstall or replace the wheel speed sensor(s) Service and Repair, and recheck by test-driving.�

3. Check all magnetic encoders on the wheel bearings Testing and Inspection.

Are they installed correctly and in good condition?

YES -

Go to step 4.

NO -

Replace the front wheel bearing Service and Repair, or rear wheel bearing Service and Repair, and recheck by test-driving.�

4. Swap the wheels and tires with a known-good vehicle.

5. Clear the DTCs with the HDS.

6. Turn the ignition switch to LOCK (0).

7. Test-drive the vehicle at 19 mph (30 km/h) or more.

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

8. Check for DTCs with the HDS.

Is DTC 21 indicated?

YES -

Check for loose terminals in the VSA control unit 46P connector. If the connections are good, replace the VSA modulator-control unit Service and Repair.�

NO -

Install the original wheels and tires onto the vehicle and recheck. If the DTC 21 is indicated again, replace the problem tires.�