P0EC0

A/C Compressor Motor Phase W Current Sensor Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Air conditioner doesn't work
Reduced cooling efficiency
The air conditioning indicator is flashing
Noisy compressor operation
Increased fuel consumption

Causes

Open or short circuit in the sensor circuit
Phase W current sensor fault
Wiring Harness Problems
Contact corrosion
Air conditioning control unit malfunction

How to Fix

Check the integrity of the sensor circuit
Check sensor resistance
Inspect the wiring harness for damage
Clean contacts from corrosion
Replace phase W current sensor if necessary

Related codes

P0EB0 P0ED0 P0EE0