DTC 21, 22, 23, 24: Tire Pressure Sensor Abnormally High Temperature
- Turn the ignition switch to LOCK (0).
- Make sure the tires have cooled down.NOTE: An abnormal rise in the internal temperature of the tires can be caused by:
- Excessive braking
- Failure to release the parking brake (rear tires only)
- Leaving the vehicle running while parked (front tires only)
- Improper assembly of a wheel and tire
- Test-drive the vehicle at 28 mph (45 km/h) or more for at least 1 minute.
Does the low tire pressure/TPMS indicator go off?
YES -The system is OK at this time. Clear the DTC with the HDS.
NO -Go to step 4.
- Check for DTCs with the HDS.
- Note the tire pressure sensor(s) number by the indicated DTC.TIRE PRESSURE SENSOR NUMBER REFERENCE CHART
DTC Tire Pressure Sensor Number 21 No. 1 22 No. 2 23 No. 3 24 No. 4 - Do the tire pressure sensor location procedure to determine the affected tire location and relate it to the tire pressure sensor number (see TIRE PRESSURE SENSOR LOCATION ).
- Check the TIRE 1, TIRE 2, TIRE 3, or TIRE 4 AIR TEMPERATURE in the TPMS DATA LIST with the HDS.
Is 176°F (80°C) or more indicated?
YES -Replace the appropriate tire pressure sensor (see TIRE PRESSURE SENSOR REPLACEMENT ).
NO -Go to step 8.
- Clear the DTC with the HDS.
- Test-drive the vehicle at 28 mph (45 km/h) or more for at least 1 minute.
- Check for DTCs with the HDS.
Is DTC 21, 22, 23, or 24 indicated?
YES -Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit (see TPMS CONTROL UNIT REPLACEMENT ), and recheck.
NO -If any other DTCs are indicated, troubleshoot the appropriate DTC. If no DTCs are indicated, the system is OK at this time.