Security Indicator Light: 16, DTC: U0100-87: P1260-00 Communication Error With Pcm (No Response Or Data Mis-Match): 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	Communication error with PCM (no response or data mis-match)
Detection condition	The starter stop unit detects a communication error (no response or immobilizer system cancel not possible) with the PCM.
Fail-safe	-
Possible cause	The immobilizer system-related parts have not been programmed when replacing the PCM or start stop unit. Start stop unit malfunction PCM malfunction
System wiring diagram	-