OBD Guide

P2D54

Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Low

P2D54 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Low. Common causes: open or short circuit in the sensor circuit, poor contact in the sensor connector. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced performance of the hybrid system
  • Activating emergency mode
  • Incorrect coolant temperature readings
  • Reduced vehicle power

Causes

  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Malfunction of the temperature sensor itself
  • Wiring Harness Problems
  • Malfunction of the hybrid system control unit

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect the sensor connectors and contacts for corrosion or damage.
  3. Check the resistance of the temperature sensor (compare with nominal values)
  4. If necessary, replace the coolant temperature sensor
  5. Check the operation of the system after repair

Related codes

Error P2D54 by Vehicle Brand

FAQ

What does the P2D54 code mean?

P2D54 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Coolant Temperature Sensor C Circuit Low

What causes a P2D54 error code?

The most common causes of P2D54 include: Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Malfunction of the temperature sensor itself; Wiring Harness Problems.

How do I fix a P2D54 diagnostic trouble code?

To fix P2D54: Check the continuity of the temperature sensor circuit. Inspect the sensor connectors and contacts for corrosion or damage.. Check the resistance of the temperature sensor (compare with nominal values). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2D54?

Limited driving only, diagnose soon

How much does it cost to fix P2D54?

The estimated repair cost for P2D54 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat