Powertrain
generic / SAE
P0B34
High Voltage Service Disconnect Circuit Performance
The high-voltage service disconnect circuit reports a circuit performance condition. Safe HV disconnection state cannot be verified.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberB / 34
Possible causes
- Switch contacts aged high
- High-resistance contact medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–700 €
- Estimated time: 0.5–3 h
- Component: hv service disconnect switch
- Component: wiring harness
- Component: bms
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012