P0EA8

A/C Compressor Motor Voltage Sensor B Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Air conditioner won't turn on
Reduced cooling efficiency
The air conditioning indicator is flashing
Floating engine speed when turning on the air conditioner

Causes

Compressor voltage sensor B malfunction
Open or short circuit in the sensor circuit
Poor contact in circuit connectors
Compressor control unit malfunction
Problems with power supply to the air conditioning system

How to Fix

Check continuity of voltage sensor B circuit
Inspect connectors and contacts for corrosion or damage
Check sensor resistance and voltage
If necessary, replace the voltage sensor
Check the operation of the compressor control unit

Related codes

P0EA6 P0EA7 P0EA9