OBD Guide

P017B

Cylinder Head Temperature Sensor A Range/Performance

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Engine overheating
  • Check Engine Light Illuminates

Causes

  • Malfunction of the cylinder head temperature sensor
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • ECU malfunction

How to Fix

  1. Check the condition of the sensor and its connector
  2. Check resistance and sensor signal
  3. Check the integrity of the wiring harness
  4. If necessary, replace the sensor or repair the wiring harness
  5. Clear error memory and check if error is returned

Related codes

Error P017B by Vehicle Brand