OBD Guide

P0C44

Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Low

P0C44 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Low. Common causes: coolant temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Hybrid/electric system power reduction
  • Check Engine Light Illuminates
  • Battery pack overheating
  • Reduced cooling system efficiency
  • Activation of emergency operation

Causes

  • Coolant temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor connection or corroded contacts
  • Problems with the battery management module
  • Low coolant level in the system

How to Fix

  1. Check the coolant level in the system
  2. Inspect the sensor circuit for damage
  3. Check the connections and contacts of the sensor
  4. Test the coolant temperature sensor
  5. Replace sensor if necessary

Related codes

Error P0C44 by Vehicle Brand

FAQ

What does the P0C44 code mean?

P0C44 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Temperature Sensor A Circuit Low

What causes a P0C44 error code?

The most common causes of P0C44 include: Coolant temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor connection or corroded contacts; Problems with the battery management module.

How do I fix a P0C44 diagnostic trouble code?

To fix P0C44: Check the coolant level in the system. Inspect the sensor circuit for damage. Check the connections and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0C44?

Limited driving only, diagnose soon

How much does it cost to fix P0C44?

The estimated repair cost for P0C44 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat