DTC B10DA-51: Communication Error With Pcm (Data Received Failure) (BCM): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B10DA:51 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with PCM (data received failure)
Detection condition	The body control module (BCM) detects a communication error (data received failure) with PCM.
Fail-safe	Not applicable
Possible cause	The immobilizer system-related part programming has not been performed when replacing the PCM or body control module (BCM). Body control module (BCM) malfunction PCM malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable