BMW DTC P24B1 – Particulate Matter Sensor Circuit High
DTC P24B1 meaning on BMW
The DTC P24B1 code on a BMW indicates a fault in the Particulate Matter Sensor Circuit High. This means that the signal voltage from the particulate matter sensor has exceeded the acceptable range, indicating a potential issue with the sensor or its circuitry.
BMW DTC P24B1 symptoms
Symptoms of the DTC P24B1 code on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Black smoke from the exhaust
BMW DTC P24B1 causes
Common causes of the DTC P24B1 code on a BMW include:
- Failed particulate matter sensor
- Wiring or connector issues in the sensor circuit
- Software or calibration issues
BMW DTC P24B1 seriousness
The DTC P24B1 code should be addressed promptly as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the engine or emissions system if left unresolved.
How to diagnose DTC P24B1 on BMW
To diagnose the DTC P24B1 code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the particulate matter sensor and its wiring for any visible damage
- Test the sensor’s signal voltage and resistance
- Check for any software updates or calibrations available for the sensor
How to fix DTC P24B1 on BMW
To fix the DTC P24B1 code on a BMW, the following steps may be taken:
- Replace the particulate matter sensor if it is found to be faulty
- Repair any damaged wiring or connectors in the sensor circuit
- Perform any software updates or calibrations recommended by the manufacturer
How to erase DTC P24B1 on BMW
After addressing the underlying issue causing the DTC P24B1 code on a BMW, the code can be cleared using a diagnostic scanner capable of clearing fault codes. Once the repair is completed, the code can be erased, and the Check Engine Light should turn off.
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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