OBD-II code · Powertrain (generic)
P0EC0 A/C Compressor Motor Phase W Current Sensor Circuit Low
A/C Compressor Motor Phase W Current Sensor Circuit Low: the signal voltage is below the expected range. Often a short to ground or high resistance in the wiring.
Is it safe to drive with P0EC0?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyCurrent sensor failed
- PossibleWiring fault
- Less likelyConnector pins corroded - high contact resistance
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–8 h
- Emissions test
- Usually unaffected
- Parts involved
- AC Compressor Motor Phase W Current Sensor, Wiring Harness
Related codes
- P0EBBA/C Compressor Motor Phase V Current Sensor Circuit Low
- P0EBDA/C Compressor Motor Phase V Current Sensor Circuit Intermittent/Erratic
- P0EBEA/C Compressor Motor Phase W Current Sensor Circuit
- P0EBFA/C Compressor Motor Phase W Current Sensor Circuit Range/Performance
- P0EC1A/C Compressor Motor Phase W Current Sensor Circuit High
- P0EC2A/C Compressor Motor Phase W Current Sensor Circuit Intermittent/Erratic
- P0EC3A/C Refrigerant Temperature Sensor A Circuit
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.