OBD Guide

P2572

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit

P2572 is an OBD-II diagnostic trouble code meaning: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit. Common causes: open or short circuit in the sensor circuit, malfunction of the catalyst sensor itself. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Increased fuel consumption
  • Reduced engine power
  • Unstable engine idling
  • Increased level of harmful emissions

Causes

  • Open or short circuit in the sensor circuit
  • Malfunction of the catalyst sensor itself
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the engine ECU

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for oxidation
  3. Check sensor resistance
  4. Replace sensor if necessary
  5. Scan the system for other errors

Related codes

Error P2572 by Vehicle Brand

FAQ

What does the P2572 code mean?

P2572 is an OBD-II diagnostic trouble code that indicates: Direct Ozone Reduction Catalyst Deterioration Sensor Circuit

What causes a P2572 error code?

The most common causes of P2572 include: Open or short circuit in the sensor circuit; Malfunction of the catalyst sensor itself; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2572 diagnostic trouble code?

To fix P2572: Check the integrity of the sensor circuit. Inspect connectors and contacts for oxidation. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2572?

Yes, but get it checked soon

How much does it cost to fix P2572?

The estimated repair cost for P2572 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat