OBD Guide

P0EAA

A/C Compressor Motor Voltage Sensor B Circuit High

P0EAA is an OBD-II diagnostic trouble code meaning: A/C Compressor Motor Voltage Sensor B Circuit High. Common causes: compressor voltage sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Air conditioning works intermittently
  • Reduced cooling efficiency
  • Automatic shutdown of the air conditioning system
  • Check Engine light comes on
  • Noises from the air conditioning compressor

Causes

  • Compressor voltage sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in connectors
  • Problems with the air conditioning control unit
  • Compressor motor malfunction

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Inspect connectors for oxidation or damage
  3. Check the resistance of the voltage sensor
  4. Scan the control unit for additional errors
  5. If necessary, replace the voltage sensor

Related codes

Error P0EAA by Vehicle Brand

FAQ

What does the P0EAA code mean?

P0EAA is an OBD-II diagnostic trouble code that indicates: A/C Compressor Motor Voltage Sensor B Circuit High

What causes a P0EAA error code?

The most common causes of P0EAA include: Compressor voltage sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in connectors; Problems with the air conditioning control unit.

How do I fix a P0EAA diagnostic trouble code?

To fix P0EAA: Check the integrity of the wiring to the sensor. Inspect connectors for oxidation or damage. Check the resistance of the voltage sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0EAA?

Yes, but get it checked soon

How much does it cost to fix P0EAA?

The estimated repair cost for P0EAA is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat