TPMS Control Unit

TPMS DTC Troubleshooting: 31, 33, 35, 37

DTC 31, 33, 35, 37:

Tire Pressure Sensor Low Battery Voltage

NOTE: This problem occurs when the temperature around the sensor is -4 °F (-20 °C) or less. Note that the diagnosis must be made in a place where ambient temperature is -4 °F (-20 °C) or more.

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

2. Clear the DTC with the HDS.

3. Test-drive the vehicle at 28 mph (45 km/h) or more for at least 1 minute.

4. Check for the DTCs with the HDS.

Is DTC 31, 33, 35 or 37 indicated?

YES -

Go to step 5.

NO -

The system is OK at this time.

5. Note the tire pressure sensor(s) number by the indicated DTC.





6. Do the tire pressure sensor location procedure to determine the affected tire location and relate it to the tire pressure sensor number Tire Pressure Sensor Location.

Did each tire pressure sensor respond to the TPMS tool?

YES -

Go to step 7.

NO -

Check that the tire pressure sensor is properly mounted. If necessary, replace the appropriate tire pressure sensor Service and Repair.

7. Check the TIRE 1, TIRE 2, TIRE 3, or TIRE 4 PRESSURE SENSOR BATTERY STATUS in the TPMS DATA LIST with the HDS.

Is LOW indicated?

YES -

Replace the appropriate tire pressure sensor Service and Repair.

NO -

Check for loose terminals and poor connections at the TPMS control unit. If necessary, substitute a known-good TPMS control unit Service and Repair, and recheck.