OBD Guide

P2B25

Hybrid/EV Electronics Coolant Temperature Sensor C Circuit Range/Perfomance

P2B25 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Electronics Coolant Temperature Sensor C Circuit Range/Perfomance. Common causes: faulty coolant temperature sensor c, 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

  • Check Engine Light Is On
  • Reduced performance of the hybrid system
  • Overheating of electronic components
  • Incorrect coolant temperature readings on the dashboard
  • Reduced vehicle power

Causes

  • Faulty coolant temperature sensor C
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Corrosion of sensor contacts or connectors
  • Problems with the hybrid system ECU

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check sensor connections and connectors
  3. Test the coolant temperature sensor
  4. Replace the faulty sensor if necessary
  5. Check and, if necessary, update the ECU software

Related codes

Error P2B25 by Vehicle Brand

FAQ

What does the P2B25 code mean?

P2B25 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Electronics Coolant Temperature Sensor C Circuit Range/Perfomance

What causes a P2B25 error code?

The most common causes of P2B25 include: Faulty coolant temperature sensor C; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Corrosion of sensor contacts or connectors.

How do I fix a P2B25 diagnostic trouble code?

To fix P2B25: Check the continuity of the temperature sensor circuit. Check sensor connections and connectors. Test the coolant temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B25?

Limited driving only, diagnose soon

How much does it cost to fix P2B25?

The estimated repair cost for P2B25 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat