OBD Guide

P2E80

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

P2E80 is an OBD-II diagnostic trouble code meaning: A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic. Common causes: malfunction of internal temperature sensor b of the compressor module, problems with the sensor circuit wiring or connectors. Estimated repair cost: $17–89.

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

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

Related codes

Error P2E80 by Vehicle Brand

FAQ

What does the P2E80 code mean?

P2E80 is an OBD-II diagnostic trouble code that indicates: A/C Compressor Control Module InternalTemperature Sensor B Circuit Intermittent/Erratic

What causes a P2E80 error code?

The most common causes of P2E80 include: 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.

How do I fix a P2E80 diagnostic trouble code?

To fix P2E80: Diagnosing the Temperature Sensor Circuit Using a Multimeter. Checking contacts and connectors in the sensor circuit. Replacing a faulty temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E80?

Yes, but get it checked soon

How much does it cost to fix P2E80?

The estimated repair cost for P2E80 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat