Powertrain
generic / SAE
P0E9A
DC/DC Converter Voltage Sensor C Circuit Range/Performance
The ECM detects a range/performance fault on the dc/dc converter voltage sensor c circuit. Reading cannot be used reliably for control.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberE / 9A
Possible causes
- Sensor characteristic drifted high
- Sensor mounting displaced medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–5 h
- Component: dcdc voltage sensor c
- Component: wiring harness
- Component: dcdc converter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012