OBD Guide

P2B24

Hybrid/EV Electronics Coolant Temperature Sensor C Circuit

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

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Incorrect coolant temperature readings
  • Possible reduction in engine power
  • Increased fuel consumption

Causes

  • Coolant temperature sensor C fault
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit
  • Lack of coolant in the system

How to Fix

  1. Check coolant level
  2. Check the integrity of the sensor circuit and connectors
  3. Test coolant temperature sensor C
  4. Replace sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P2B24 by Vehicle Brand