OBD Guide

P0EAB

A/C Compressor Motor Voltage Sensor B Circuit Low

P0EAB is an OBD-II diagnostic trouble code meaning: A/C Compressor Motor Voltage Sensor B Circuit Low. Common causes: open or short circuit in the sensor circuit, voltage sensor b fault. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • The air conditioner does not work or does not work well
  • Increased noise from the air conditioning compressor
  • Check Engine light comes on
  • The air conditioner blows warm air
  • Periodic shutdown of the air conditioner

Causes

  • Open or short circuit in the sensor circuit
  • Voltage sensor B fault
  • Problems with the air conditioning compressor motor
  • Poor contact in wiring connectors
  • Air conditioning control unit malfunction

How to Fix

  1. Check continuity of voltage sensor B circuit
  2. Check connectors and connections for corrosion or damage
  3. Test voltage sensor B
  4. Check the operation of the air conditioning compressor motor
  5. If necessary, replace the sensor or compressor motor

Related codes

Error P0EAB by Vehicle Brand

FAQ

What does the P0EAB code mean?

P0EAB is an OBD-II diagnostic trouble code that indicates: A/C Compressor Motor Voltage Sensor B Circuit Low

What causes a P0EAB error code?

The most common causes of P0EAB include: Open or short circuit in the sensor circuit; Voltage sensor B fault; Problems with the air conditioning compressor motor; Poor contact in wiring connectors.

How do I fix a P0EAB diagnostic trouble code?

To fix P0EAB: Check continuity of voltage sensor B circuit. Check connectors and connections for corrosion or damage. Test voltage sensor B. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0EAB?

Yes, but get it checked soon

How much does it cost to fix P0EAB?

The estimated repair cost for P0EAB is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat