OBD Guide

P2CAB

DC/DC Converter Temperature Sensor F Circuit High

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 in hybrid systems
  • Problems with charging a high-voltage battery
  • DC/DC converter overheating
  • Engine power limitation

Causes

  • Open circuit in the temperature sensor circuit
  • Short circuit to ground
  • Temperature sensor malfunction
  • Wiring Harness Problems
  • DC/DC converter malfunction

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Check the resistance of the temperature sensor
  3. Inspect the wiring harness for damage
  4. Replace temperature sensor if necessary
  5. Check the operation of the DC/DC converter

Related codes

Error P2CAB by Vehicle Brand