P2573 – BMW DTC

BMW DTC P2573 – Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance

DTC P2573 meaning on BMW

DTC P2573 on a BMW indicates an issue with the Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance. This means that the sensor responsible for monitoring the efficiency of the ozone reduction catalyst has detected a problem with its circuit or performance.

BMW DTC P2573 symptoms

Symptoms of DTC P2573 on a BMW may include decreased fuel efficiency, reduced engine performance, illuminated Check Engine Light (CEL), and potential emissions issues. The vehicle may also fail emissions tests.

BMW DTC P2573 causes

The causes of DTC P2573 on a BMW can vary, but common reasons include a faulty ozone reduction catalyst sensor, damaged wiring or connectors in the sensor circuit, or a malfunctioning engine control module (ECM).

BMW DTC P2573 seriousness

DTC P2573 should be taken seriously as it can lead to decreased fuel efficiency, engine performance issues, and potential emissions problems. Ignoring this DTC can result in further damage to the vehicle’s emissions control system.

How to diagnose DTC P2573 on BMW

To diagnose DTC P2573 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and perform a thorough inspection of the ozone reduction catalyst sensor, wiring, and connectors. Testing the sensor’s resistance and checking for any visible damage can help pinpoint the issue.

How to fix DTC P2573 on BMW

Fixing DTC P2573 on a BMW may involve replacing the faulty ozone reduction catalyst sensor, repairing any damaged wiring or connectors, or reprogramming the engine control module (ECM) if necessary. It is recommended to follow the manufacturer’s repair procedures and use OEM parts for a proper fix.

How to erase DTC P2573 on BMW

To erase DTC P2573 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code after the underlying issue has been addressed and fixed. Once the repair is completed, the mechanic can reset the Check Engine Light and erase the DTC from the vehicle’s memory.

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

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