OBD Guide

P2E52

Battery Charger Coupler Temperature Sensor D Circuit High

P2E52 is an OBD-II diagnostic trouble code meaning: Battery Charger Coupler Temperature Sensor D Circuit High. Common causes: charger temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Battery charging problems
  • The battery overheats while charging
  • Reduced charging efficiency

Causes

  • Charger temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Corrosion of contacts or connectors
  • Problems with the battery charger

How to Fix

  1. Check the condition of the charger temperature sensor
  2. Diagnose the sensor circuit for opens and short circuits
  3. Clean contacts and connectors from corrosion
  4. Test the battery charger
  5. If necessary, replace the temperature sensor

Related codes

Error P2E52 by Vehicle Brand

FAQ

What does the P2E52 code mean?

P2E52 is an OBD-II diagnostic trouble code that indicates: Battery Charger Coupler Temperature Sensor D Circuit High

What causes a P2E52 error code?

The most common causes of P2E52 include: Charger temperature sensor malfunction; Open or short circuit in the sensor circuit; Corrosion of contacts or connectors; Problems with the battery charger.

How do I fix a P2E52 diagnostic trouble code?

To fix P2E52: Check the condition of the charger temperature sensor. Diagnose the sensor circuit for opens and short circuits. Clean contacts and connectors from corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2E52?

Yes, but get it checked soon

How much does it cost to fix P2E52?

The estimated repair cost for P2E52 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat