TPMS System

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 -40 °F (-40 °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).

Does the TPMS indicator go off within 1 minute?
YES - The system is OK at this time. Clear the DTC with the HDS.

NO - Go to step 2.


2. Check the RF, LF, RR, or LR TIRE PRESSURE SENSOR BATTERY STATUS in the TPMS DATA LIST with the HDS.
NOTE: If UNDEFINED is shown on the sensor transmitter status, turn the ignition switch to LOCK (0), rotate the tire 1/4 turn, then turn the ignition switch to ON (II), and try again. If UNDEFINED is still displayed, repeat the procedure in the previous sentence until NORMAL is shown.





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.