NO -
Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit See:
Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure Module/Service and Repair, and recheck.?
VSA System
VSA DTC Troubleshooting: 21, 22, 23, 24
DTC 21, 22, 23, 24:
Magnetic Encoder Malfunction
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Test-drive the vehicle at 31 mph (50 km/h) or more.
4. Check for DTCs with the HDS.
Is DTC 21, 22, 23, or 24 indicated?
YES -
Go to step 5.
NO -
Intermittent failure, the system is OK at this time. Check for loose terminals between the appropriate wheel speed sensor 2P connector and the
VSA modulator-control unit 46P connector. Refer to intermittent failures troubleshooting.?
5. Inspect the appropriate magnetic encoder for debris or cracks.
Is the magnetic encoder surface OK?
YES -
Go to step 6.
NO -
Remove the debris from the magnetic encoder, or replace the front hub bearing unit or the rear hub bearing unit (magnetic encoder):
- FRreoanr:t :R Reepplalaccee t hthee r feraorn ht uhbu bb ebaerainrign gu nuint.i?t.?
6. Update the VSA modulator-control unit if it does not have the latest software See: Brakes and Traction Control/Antilock Brakes / Traction
Control Systems/Traction Control Module/Testing and Inspection. If the unit already has the latest software, substitute a known-good VSA
modulator-control unit See: Brakes and Traction Control/Antilock Brakes / Traction Control Systems/Traction Control Module/Service and
Repair.
7. Test-drive the vehicle at 31 mph (50 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, 22, 23, or 24 indicated?
