DTC B109E-87; Communication Error With Start Stop Unit: Notes
DTC B109E-87; COMMUNICATION ERROR WITH START STOP UNIT - DETECTION CONDITION & POSSIBLE CAUSE
| Description |
Communication error with start stop unit |
| Detection condition |
- BCM detects a communication error with the start stop unit for 10 times continuously with the ignition switched ON (engine off or on).
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| Fail-safe |
Not applicable |
| Possible cause |
- Start stop unit connector or terminal malfunction
- BCM connector or terminal malfunction
- Short to ground in wiring harness between start stop unit terminal 1Q and BCM terminal 2J
- Open circuit in wiring harness between start stop unit terminal 1Q and BCM terminal 2J
- Start stop unit malfunction
- BCM malfunction
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