OBD Guide

P2568

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance

P2568 is an OBD-II diagnostic trouble code meaning: Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance. Common causes: faulty catalyst temperature sensor, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

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

FAQ

What does the P2568 code mean?

P2568 is an OBD-II diagnostic trouble code that indicates: Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance

What causes a P2568 error code?

The most common causes of P2568 include: Faulty catalyst temperature sensor; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Engine control unit malfunction.

How do I fix a P2568 diagnostic trouble code?

To fix P2568: Check the condition of the catalyst temperature sensor. Check the integrity of the sensor circuit and connectors. Measure the sensor resistance and compare with standards. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2568?

Yes, but get it checked soon

How much does it cost to fix P2568?

The estimated repair cost for P2568 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat