How A Diagnostic Trouble Code (DTC) Is Set

General Troubleshooting Information - Indicator Reset




System Indicator Location

If the system detects low pressure in any of the four tires, the low pressure indicator and the appropriate tire indicator(s) will come on, and the control unit will set one or more of these codes: DTC 11, 13, 15, 17. When the tire pressure returns to normal, the control unit will turn off the indicators and store the DTC(s). However, if the control unit detects a problem in the system during an indication of low tire pressure, it will turn off the low pressure and tire indicators, store the DTC(s), and turn on the TPMS indicator.

If a problem is detected in the system, the TPMS indicator will come on and stay on until the system returns to normal with most DTCs. If DTC 45, 51, 53, 55, 57, 81, 83 or 85 is set, the TPMS indicator will go off only when the ignition switch is turned off.

If a flat tire is replaced with the spare tire, and the flat tire is stored in the cargo area, the low pressure indicator will stay on but the appropriate tire indicator will go off. This prevents the customer from thinking there is a problem with the spare tire. When the flat tire is taken out of the vehicle for repair, the TPMS indicator will come on (DTC 32, 34, 36 or 38) because the system is no longer receiving the signal from the tire's transmitter.