OBD Guide

P2E7E

A/C Compressor Control Module Internal Temperature Sensor B Circuit High

P2E7E is an OBD-II diagnostic trouble code meaning: A/C Compressor Control Module Internal Temperature Sensor B Circuit High. 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

  • Air conditioner doesn't work
  • Hot air from ducts
  • Fault indication on the instrument panel
  • Reduced cooling system performance
  • Noisy compressor operation

Causes

  • Malfunction of temperature sensor B in the compressor module
  • Open or short circuit in the sensor circuit
  • Poor contact in wiring connectors
  • Compressor control module overheating
  • Control module internal fault

How to Fix

  1. Check the condition of the connectors and wiring to the compressor module
  2. Measure the resistance of the temperature sensor
  3. Check the voltage in the sensor circuit
  4. Replace temperature sensor or control module if necessary
  5. Ensure proper cooling of the control module

Related codes

Error P2E7E by Vehicle Brand

FAQ

What does the P2E7E code mean?

P2E7E is an OBD-II diagnostic trouble code that indicates: A/C Compressor Control Module Internal Temperature Sensor B Circuit High

What causes a P2E7E error code?

The most common causes of P2E7E include: Malfunction of temperature sensor B in the compressor module; Open or short circuit in the sensor circuit; Poor contact in wiring connectors; Compressor control module overheating.

How do I fix a P2E7E diagnostic trouble code?

To fix P2E7E: Check the condition of the connectors and wiring to the compressor module. Measure the resistance of the temperature sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E7E?

Yes, but get it checked soon

How much does it cost to fix P2E7E?

The estimated repair cost for P2E7E is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat