DTC B109E-87; Communication Error With Start Stop Unit: Notes

DETECTION CONDITION & POSSIBLE CAUSES

Description	Communication error with start stop unit
Detection condition	Rear body control module (RBCM) detects a communication error with the start stop unit for 10 times continuously.
Fail-safe function	Not applicable
Possible cause	Start stop unit connector or terminal malfunction Rear body control module (RBCM) connector or terminal malfunction Short to ground in wiring harness between rear body control module (RBCM) terminal 3B and start stop unit terminal 1Q Open circuit in wiring harness between rear body control module (RBCM) terminal 3B and start stop unit terminal 1Q Start stop unit malfunction Rear body control module (RBCM) malfunction