OBD Guide

P0CD6

Hybrid/EV Battery Pack Coolant Temperature Sensor B Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced performance of the hybrid system
  • Possible problems with battery cooling
  • Reduced vehicle power or performance
  • Errors in the battery management system

Causes

  • Coolant temperature sensor B malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Problems with the battery management module
  • Contamination or corrosion of sensor contacts

How to Fix

  1. Check the condition of the coolant temperature sensor B
  2. Check the integrity of the sensor circuit and the quality of connections
  3. Clean sensor contacts and connectors
  4. Replace temperature sensor if necessary
  5. Check and replace the battery management module if necessary

Related codes

Error P0CD6 by Vehicle Brand