DTC 88

DTC 88: Difference in Wheel Speed

NOTE: A wheel bearing that is installed backwards can cause this DTC.

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, a known-good set of tires, or set the tires to the correct pressure, and retest by test driving.

2. Test drive the vehicle.
3. Check the RF, LF, RR, LR, WHEEL SPD in the VSA DATA LIST with the HDS.
Are all four the same indicated value?
YES - Go to step 4.
NO - Reinstall or replace the wheel sensor(s), and recheck by test-driving.

4. Check the magnetic encoders on the front wheel bearings or rear magnetic encoders on the hub bearing units.
Are they installed correctly and in good condition?
YES - Check for loose terminals in the VSA modulator-control unit 46P connector. Check for a loose connection at G202. If necessary, substitute a known-good VSA modulator-control unit and retest.
NO - Replace the front wheel bearing(s) or the rear hub bearing unit(s) and recheck by test-driving:
^ Front: Replace the front wheel bearing.
^ Rear: Replace the rear hub bearing unit.