P0DFA
Generator Phase U-V-W Current Sensor Correlation
The signals of the generator phase U, V and W current sensors do not correlate within the calibrated tolerance.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- One sensor characteristic driftedCommon
- Ground offset between channelsPossible
Parts involved
- Generator Phase U Current Sensor
- Generator Phase V Current Sensor
- Generator Phase W Current Sensor
P0DFA 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.