OBD Guide

P2573

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance

P2573 is an OBD-II diagnostic trouble code meaning: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance. Common causes: open or damaged sensor circuit, catalyst sensor malfunction. Estimated repair cost: $56–222.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine light comes on
  • Increase in harmful emissions
  • Reduced efficiency of the exhaust gas cleaning system
  • Possible problems with vehicle dynamics

Causes

  • Open or damaged sensor circuit
  • Catalyst sensor malfunction
  • Problems with Direct Ozone Reduction Catalyst
  • Engine control unit malfunction
  • Corrosion or poor contact in connectors

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check sensor connections and connectors
  3. Test the catalyst sensor
  4. Check the condition of the catalyst
  5. If necessary, replace the sensor or catalyst

Related codes

Error P2573 by Vehicle Brand

FAQ

What does the P2573 code mean?

P2573 is an OBD-II diagnostic trouble code that indicates: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance

What causes a P2573 error code?

The most common causes of P2573 include: Open or damaged sensor circuit; Catalyst sensor malfunction; Problems with Direct Ozone Reduction Catalyst; Engine control unit malfunction.

How do I fix a P2573 diagnostic trouble code?

To fix P2573: Check the integrity of the sensor circuit. Check sensor connections and connectors. Test the catalyst sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2573?

Yes, but get it checked soon

How much does it cost to fix P2573?

The estimated repair cost for P2573 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat