Powertrain
generic / SAE
P2C46
Battery Isolation/Voltage Stabilization Control Circuit High
The battery isolation/voltage stabilization module reports a control circuit high condition. Power supply quality during start/stop or load shedding is impaired.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 46
Possible causes
- Control wire shorted to B+ high
- Open module input medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–4 h
- Component: battery isolation module
- Component: wiring harness
- Component: ecm
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012