OBD Guide

P2CA6

DC/DC Converter Temperature Sensor E Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Possible problems with charging a 12V battery
  • Reduced performance of the hybrid system
  • DC/DC converter overheating
  • Errors in the operation of vehicle electronic systems

Causes

  • DC/DC converter temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor circuit connectors
  • Problems with the DC/DC converter control unit
  • Corroded contacts or damaged wiring harness

How to Fix

  1. Check the continuity of the temperature sensor circuit
  2. Inspect connectors and contacts for damage
  3. Check the resistance of the temperature sensor
  4. Scan the control unit for additional errors
  5. If necessary, replace the temperature sensor of the DC/DC converter

Related codes

Error P2CA6 by Vehicle Brand