DTC B10E7-17: IG1 Relay 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 B10E7:17 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	IG1 relay circuit malfunction
Detection condition	The body control module (BCM) IG1 relay circuit voltage is higher than the standard. Preconditions The ignition switched off.
Fail-safe	Not applicable
Possible cause	IG1 relay No. 2 malfunction Body control module (BCM) connector or terminal malfunction Short to power supply in body control module (BCM) IG1 relay circuit Body control module (BCM) malfunction
Courtesy of MAZDA MOTORS CORP.