Powertrain
generic / SAE
P0A87
14 Volt Power Module Current Sensor A Circuit Range/Performance
The current sensor A of the 14V DC/DC converter module reports a circuit range/performance fault. 12V system current measurement is unreliable.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / numberA / 87
Possible causes
- Current sensor failed high
- Wiring fault medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1200 €
- Estimated time: 1–4 h
- Component: pm14v current sensor a
- Component: wiring harness
- Component: dcdc converter
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012