DTC B108B-24: Push Button Start Switch 1 Circuit Malfunction (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 B108B:24 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Push button start switch 1 circuit malfunction
Detection condition	The body control module (BCM) detects that the push button start switch 1 is kept in an off condition 5 times or more even though the push button start switch 2 is on.
Fail-safe	Not applicable
Possible cause	Push button start connector or terminal malfunction Open circuit in push button start switch 1 ground circuit Body control module (BCM) connector or terminal malfunction Open circuit in push button start switch 1 signal circuit Push button start switch 1 malfunction Body control module (BCM) malfunction
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