DTC C1031-68; Tire Pressure Monitoring System (TPMS) System: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

DTC	C1031:68	Tire pressure monitoring system (TPMS) system
DETECTION CONDITION		Error is detected in ambient temperature sensor from PCM via CAN communication.
FAIL-SAFE FUNCTION		Tire pressure monitoring system warning light illuminates after flashes. Inhibits the TPMS control.
POSSIBLE CAUSE		Ambient temperature sensor malfunction PCM malfunction
SYSTEM WIRING DIAGRAM		-