Powertrain
generic / SAE
P0E39
DC/DC Converter Voltage Sensor B High
The ECM detects a high fault on the dc/dc converter voltage sensor b. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 39
Possible causes
- Signal wire shorted to B+ high
- Open sensor medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–5 h
- Component: dcdc voltage sensor b
- Component: wiring harness
- Component: dcdc converter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012