The diagnostic fault code P24C6 in your 2018 BMW 1 Series is linked to the diesel particulate filter (DPF) and specifically indicates an issue with the Particulate Matter Sensor Temperature Circuit. This sensor plays a crucial role in measuring the amount of soot present in the DPF, which is essential for the effective operation of your vehicle's emissions system.

When this fault code is present, it suggests that there may be a problem either with the sensor itself or the wiring and connections associated with it. Common causes of the P24C6 code include:

1. Faulty Particulate Matter Sensor: The sensor may have failed due to wear or damage, possibly from road debris. If this sensor is malfunctioning, it is unable to accurately measure soot levels, potentially leading to increased emissions and performance issues.

2. Electrical Issues: There could be a problem with the wiring or connections to the sensor. This includes checks for damaged wires, loose connectors, or corrosion that might impede the sensor's function.

3. Sensor Installation: Ensuring that the particulate matter sensor is properly installed is critical. An incorrectly installed sensor may also lead to erroneous readings and trigger the fault code.

If the above checks do not resolve the issue, replacing the diesel particulate sensor may be necessary. It is important to address this fault promptly as it can affect vehicle performance and emissions compliance.

For further confirmation or to explore potential remedies, specific forums and expert sites may provide additional insights:

• BimmerFest has discussions covering similar issues, including troubleshooting steps.
• JustAnswer offers a detailed explanation of how P24C6 relates to the particulate matter sensor.

Addressing the P24C6 code will help ensure that your BMW operates efficiently and within environmental regulations.

Sources

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