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 -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), or press the engine start/stop button to select the ON mode.
Does the TPMS indicator go off within one 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), or press the engine start/stop button to select the OFF mode, rotate the tire 1/4 turn, then turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and try again. If UNDEFINED is still displayed, repeat this procedure 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.�