P0EA1DC/DC Converter Current Sensor C Circuit Range/Performance
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Can trigger limp mode
- Needs a drive cycle to confirm a fix
- How the car detects it
- P0EA1 stands for a sensor C current reading that is electrically plausible yet disagrees with the converter's operating point or with its sister channels. If a converter measures several phase currents, those values should track each other, and one channel that deviates is a typical trigger. No manufacturer documents P0EA1 publicly. Ford's P0A94 test illustrates the approach for the boost converter of its hybrids: a deviation of over 50 A between measured and calculated inductor current, held for more than 4 s, counts as a fault. FCA shows how makers adjust such checks, turning the sensor A rationality code P0E52 into a one-trip fault for the Ram 1500 eTorque with flash 08-037-21. Hard circuit faults of sensor C use P0EA0, P0EA2 and P0EA3.
- What you may notice
- MIL, possibly after one trip
- Reduced 12 V charging current
- Converter or drive power derated
- Likely causes
- PossibleSensor C channel drifting away from the other channels
- PossibleFault in the converter phase measured by sensor C
- RarePlausibility software in need of an update
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €60 – €3,000
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.