Powertrain
generic / SAE
P05BC
Stop-Start Mode Switch Circuit Open
The driver-controlled switch that disables stop-start has an open control circuit - the ECU cannot read the driver preference and falls back to the default mode.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number5 / BC
Possible causes
- Open in switch or harness high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 60–250 €
- Estimated time: 0.3–1.2 h
- Component: stop start switch
- MIL / check engine light
Sources
References
sae:J2012