OBD Guide

P017E

Cylinder Head Temperature Sensor A Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Power reduction
  • Difficulty starting

Causes

  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • DVTs malfunction
  • Problems with the ECU

How to Fix

  1. Check the wiring harness for breaks and damage
  2. Clean and check sensor connector contacts
  3. Test sensor resistance at different temperatures
  4. Replace sensor if necessary
  5. Check signals from the sensor with a scanner

Related codes

Error P017E by Vehicle Brand