Go to step 2.
2. Clear the DTCs with the HDS.
3. Test-drive the vehicle with the adaptive cruise control (ACC) activated.
4. Check for DTCs with the HDS.
Is DTC 90 indicated?
YES -
Check for loose or poor connections. If OK, update the ACC unit See: Cruise Control/Testing and Inspection/Programming and Relearning, then
recheck. If the ACC unit was already updated, replace the ACC unit See: Cruise Control/Cruise Control Module/Service and Repair.?
NO -
Intermittent failure, the system is OK at this time. Check for loose or poor connections.?
TPMS System
TPMS DTC Troubleshooting: 91, 93, 95, 97
DTC 91, 93, 95, 97:
Tire Pressure Sensor Internal Error
1. Turn the ignition switch to ON (II).
2. Clear the DTC with the HDS.
3. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
4. Wait about 1 minute.
5. Check for DTCs with the HDS.
NOTE: The tire pressure sensor of the appropriate wheel is shown.
Is DTC 91, 93, 95 or 97 indicated?
YES -
Replace the appropriate tire pressure sensor See: Instrument Panel, Gauges and Warning Indicators/Tire Monitoring System/Tire Pressure
Sensor/Service and Repair.?
NO -
The system is OK at this time.?
VSA System
VSA DTC Troubleshooting: 91
DTC 91:
VSA Activation Time Too Long
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information.
1. Check the brake system for leaks or mechanical problems.
Is the brake system OK? (No brake fluid leakage, no air trapped in the brake system, no brake pads worn out.)
