BMW DTC P24B5 – Particulate Matter Sensor Heater Control Circuit Low
DTC P24B5 meaning on BMW
DTC P24B5 on a BMW refers to the Particulate Matter Sensor Heater Control Circuit Low. This diagnostic trouble code indicates that the control circuit for the heater of the particulate matter sensor is operating at a lower voltage than expected.
BMW DTC P24B5 symptoms
Symptoms of DTC P24B5 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible regeneration issues for the diesel particulate filter
BMW DTC P24B5 causes
Common causes of DTC P24B5 on a BMW include:
- Faulty particulate matter sensor
- Issues with the sensor heater control circuit
- Wiring or connector problems
- Software issues
BMW DTC P24B5 seriousness
DTC P24B5 should not be ignored as it can lead to reduced engine performance and potential issues with the diesel particulate filter system. It is recommended to address this code promptly to prevent further complications.
How to diagnose DTC P24B5 on BMW
To diagnose DTC P24B5 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes.
- Inspect the wiring and connectors related to the particulate matter sensor.
- Check the resistance of the sensor heater circuit.
- Perform a visual inspection for any visible damage or corrosion.
How to fix DTC P24B5 on BMW
To fix DTC P24B5 on a BMW, you can try the following:
- Replace the faulty particulate matter sensor if necessary.
- Repair any wiring or connector issues in the sensor heater circuit.
- Clear the fault codes and perform a test drive to ensure the issue is resolved.
How to erase DTC P24B5 on BMW
To erase DTC P24B5 on a BMW, you can use a diagnostic scanner to clear the fault codes from the vehicle’s ECU. Once the codes are cleared, you can perform a test drive to verify that the issue has been resolved.
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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