OBD Guide

P2568

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Possible fluctuations in engine speed
  • Deterioration of vehicle dynamics
  • Increased level of harmful emissions

Causes

  • Faulty catalyst temperature sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Engine control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check the condition of the catalyst temperature sensor
  2. Check the integrity of the sensor circuit and connectors
  3. Measure the sensor resistance and compare with standards
  4. If necessary, replace the catalyst temperature sensor
  5. Clear error codes and check if error is returned

Related codes

Error P2568 by Vehicle Brand