OBD
P0ED4
Generator Phase X Current
What it means
P0ED4 means Generator Phase X Current.
Check these first
- An open or short in the generator phase X current sensor circuit
- A failed generator phase X current sensor
- Corrosion at the phase X current sensor connector
- Chafed wiring along the phase X harness
What to do next
- Read generator phase X current on a scan tool
- Test the phase X sensor circuit for open and short faults
- Check the phase X connector for corrosion
- Measure the phase X current sensor resistance
- Replace the phase X current sensor if faulty
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.