DTC U0127-00: Communication Error To Start Stop Unit: Notes

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC U0127:00 (INSTRUMENT CLUSTER (TPMS)) DETECTION CONDITION AND POSSIBLE CAUSE

DTC	U0127:00	Communication Error To Start Stop Unit
DETECTION CONDITION		Communication error to start stop unit is detected.
FAIL-SAFE FUNCTION		Refer to "Fail-safe function table". (See DTC TABLE (INSTRUMENT CLUSTER (TPMS)) .)
POSSIBLE CAUSE		Start stop unit connector or terminal malfunction Instrument cluster connector or terminal malfunction Short to ground in wiring harness between instrument cluster terminal X and start stop unit terminal 1Q Short to power supply in wiring harness between instrument cluster terminal X and start stop unit terminal 1Q Open circuit in wiring harness between instrument cluster terminal X and start stop unit terminal 1Q Start stop unit malfunction Instrument cluster malfunction