Manufacturer Code Charts: 71

VSA DTC Troubleshooting: 71

DTC 71: Different Diameter Tire

1. Turn the ignition switch to ON (II).

2. Clear the DTC with the HDS. Initial Inspection and Diagnostic Overview

3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.

4. Test-drive the vehicle.

Does the ABS indicator come on, and is DTC 71 indicated?
YES - Go to step 5.

NO - Confirm that tire inflation is set to spec. The vehicle is OK at this time. Refer to intermittent failures. Initial Inspection and Diagnostic Overview


5. Check that all four tires are the specified size and are inflated to the proper specification.

Are all four tires the correct size and properly inflated?
YES - Go to step 6.

NO - Install the correct tires or set the tires to the correct inflation, and retest.


6. With the vehicle on level ground, mark each tire with a small spot of grease. Roll the vehicle until each of the tires makes two grease spots on the floor.

7. Measure and record the distance between the two grease spots.

Is the difference between the shortest and the longest measurement more than 10 %?
YES - Replace the tire/tires that is smaller or larger than the others.

NO - Replace the VSA modulator-control unit. Service and Repair