BMW DTC P2572 – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
DTC P2572 meaning on BMW
DTC P2572 on a BMW indicates an issue with the Direct Ozone Reduction Catalyst Deterioration Sensor Circuit. This code is triggered when the signal from the sensor circuit falls outside the expected range, suggesting a problem with the sensor or its wiring.
BMW DTC P2572 symptoms
Symptoms of DTC P2572 on a BMW may include poor engine performance, decreased fuel efficiency, rough idling, and potentially an illuminated check engine light on the dashboard.
BMW DTC P2572 causes
The most common causes of DTC P2572 on a BMW are a faulty Direct Ozone Reduction Catalyst Deterioration Sensor, damaged wiring or connectors in the sensor circuit, or a problem with the sensor’s power supply.
BMW DTC P2572 seriousness
While DTC P2572 may not cause immediate drivability issues, it can lead to decreased engine efficiency and increased emissions. Ignoring this code can potentially cause damage to the catalytic converter and other engine components over time.
How to diagnose DTC P2572 on BMW
To diagnose DTC P2572 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the sensor and its wiring. Testing the sensor’s resistance and checking for proper voltage supply are common diagnostic steps.
How to fix DTC P2572 on BMW
Fixing DTC P2572 on a BMW usually involves replacing the faulty Direct Ozone Reduction Catalyst Deterioration Sensor and repairing any damaged wiring or connectors in the sensor circuit. Once the repairs are made, the fault code should be cleared from the vehicle’s memory.
How to erase DTC P2572 on BMW
To erase DTC P2572 on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s ECU. After the repairs have been completed and the issue resolved, clearing the code will reset the check engine light and ensure that the fault does not reoccur.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.