OBD Guide

P2E7C

A/C Compressor Control Module Internal Temperature Sensor B Circuit

P2E7C is an OBD-II diagnostic trouble code meaning: A/C Compressor Control Module Internal Temperature Sensor B Circuit. Common causes: malfunction of temperature sensor b in the compressor module, open or short circuit in the sensor circuit. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Inoperative or poorly functioning air conditioner
  • Spontaneous shutdown of the air conditioning system
  • Increased temperature in the cabin
  • Check Engine Light Illuminates
  • Possible errors in the operation of automatic climate control

Causes

  • Malfunction of temperature sensor B in the compressor module
  • Open or short circuit in the sensor circuit
  • Poor contact in the module connector
  • Contact corrosion
  • Compressor control module malfunction

How to Fix

  1. Check the resistance of the temperature sensor
  2. Inspect the sensor circuit for breaks and short circuits
  3. Clean the contacts in the module connector
  4. If necessary, replace the temperature sensor
  5. If problem persists, replace compressor control module

Related codes

Error P2E7C by Vehicle Brand

FAQ

What does the P2E7C code mean?

P2E7C is an OBD-II diagnostic trouble code that indicates: A/C Compressor Control Module Internal Temperature Sensor B Circuit

What causes a P2E7C error code?

The most common causes of P2E7C include: Malfunction of temperature sensor B in the compressor module; Open or short circuit in the sensor circuit; Poor contact in the module connector; Contact corrosion.

How do I fix a P2E7C diagnostic trouble code?

To fix P2E7C: Check the resistance of the temperature sensor. Inspect the sensor circuit for breaks and short circuits. Clean the contacts in the module connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E7C?

Yes, but get it checked soon

How much does it cost to fix P2E7C?

The estimated repair cost for P2E7C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat