DTC B108B 23: Push Button Start Switch 1 Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC B108B:23 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSES

Description	Push button start switch 1 circuit malfunction
Detection condition	Start stop unit detects that the push button start switch 1 is stuck on for 120 s or more .
Fail-safe function	Perform the control with the push button start switch 1 turned off.
Possible cause	Push button start connector or terminal malfunction Start stop unit connector or terminal malfunction Short to ground in wiring harness between start stop unit terminal 1H and push button start terminal C Push button start switch 1 malfunction Start stop unit malfunction
Courtesy of MAZDA MOTORS CORP.