P0EAC

A/C Compressor Motor Voltage Sensor B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable operation of the air conditioner
Spontaneous shutdown of the air conditioner
Reduced cooling efficiency
Malfunction warning light comes on
Increased noise from the compressor

Causes

Poor contact in the sensor connector
Open or short circuit in the sensor circuit
Voltage sensor B fault
Wiring Harness Problems
Control unit malfunction

How to Fix

Check sensor connections and connectors
Test the sensor circuit for open and short circuits
Check resistance and sensor signal
Replace voltage sensor if necessary
Check and update the control unit software

Related codes

P0EAB P0EAD P0EAE