DTC U201F-12: Keyless Receiver Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

System malfunction location	Keyless receiver circuit malfunction
Detection condition	Start stop unit detects keyless receiver circuit voltage of 6.2 V or more for 0.5 s or more .
Fail-safe	-
Possible cause	Keyless receiver connector or terminal malfunction Start stop unit connector or terminal malfunction Short to power supply in wiring harness between start stop unit terminal 2Q and keyless receiver terminal A Keyless receiver malfunction Start stop unit malfunction