DTC P0616-29: Downstream Side Of Starter Relay Signal 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 P0616:29 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Downstream side of starter relay signal malfunction
Detection condition	The body control module (BCM) detects that the following signals are unmatched for a continuous 5 times. Transaxle range sensor (ATX) or starter interlock switch (MTX) condition Starter relay downstream circuit condition PCM control result CAN signal condition output from PCM
Fail-safe	Not applicable
Possible cause	DTCs are stored in the PCM. PCM malfunction Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable