P2E80

A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Unstable operation of the air conditioning system
Periodic shutdown of the air conditioner
Increased noise from the compressor
Insufficient interior cooling
Air conditioner warning light comes on

Causes

Malfunction of internal temperature sensor B of the compressor module
Problems with the sensor circuit wiring or connectors
Open or short circuit in the circuit
Compressor control module malfunction
Poor contact in the sensor connector

How to Fix

Diagnosing the Temperature Sensor Circuit Using a Multimeter
Checking contacts and connectors in the sensor circuit
Replacing a faulty temperature sensor
Repair or replace damaged wiring
Flashing or replacing the compressor control module

Related codes

P2E81 P2E82 P0532