BMW DTC P24AE – Particulate Matter Sensor Circuit
DTC P24AE meaning on BMW
The DTC P24AE fault code on BMW vehicles indicates an issue with the Particulate Matter Sensor Circuit. This sensor is responsible for monitoring the level of particulate matter in the exhaust system, which helps the vehicle’s engine control module (ECM) optimize combustion and reduce emissions.
BMW DTC P24AE symptoms
Symptoms of the DTC P24AE code may include:
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Increased fuel consumption
- Black smoke from the exhaust
BMW DTC P24AE causes
Common causes of the DTC P24AE fault code on BMW vehicles include:
- Particulate matter sensor failure
- Wiring or connector issues in the sensor circuit
- Software glitches in the ECM
BMW DTC P24AE seriousness
Ignoring the DTC P24AE fault code can lead to increased emissions, reduced fuel efficiency, and potential engine performance issues. It is recommended to address this fault code promptly to prevent further damage to the vehicle.
How to diagnose DTC P24AE on BMW
To diagnose the DTC P24AE fault code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM
- Inspect the particulate matter sensor and its wiring for any visible damage
- Test the sensor’s resistance and voltage readings to determine if it is functioning correctly
- Check for any software updates or recalibrations available for the ECM
How to fix DTC P24AE on BMW
Depending on the root cause of the DTC P24AE fault code, potential fixes may include:
- Replacing the particulate matter sensor
- Repairing or replacing damaged wiring or connectors in the sensor circuit
- Updating the ECM software to the latest version
How to erase DTC P24AE on BMW
After addressing the underlying issue causing the DTC P24AE fault code, the code can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow the vehicle’s ECM to monitor the system for any new faults.
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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