P0A86
14 Volt Power Module Current Sensor A Circuit
The current sensor A of the 14V DC/DC converter module reports a circuit fault. 12V system current measurement is unreliable.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Current sensor failedCommon
- Wiring faultPossible
Parts involved
- Pm14v Current Sensor A
- Wiring Harness
- Dcdc Converter
P0A86 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.