Security Indicator Light: 23, DTC: B10DA-62; P1260; Communication Error With Pcm (Code Mis-Matched): 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

Description	Communication error with PCM (code mis-matched)
Detection condition	Start stop unit detects a communication error (code mis-matched) with the PCM.
Fail-safe	Not applicable
Possible cause	The immobilizer system-related part programming has not been performed when replacing the PCM or start stop unit. PCM malfunction
System wiring diagram	Not applicable