BMW DTC P24D2 – Reductant Heater ‘A’ Sense Circuit
DTC P24D2 meaning on BMW
The DTC P24D2 fault code on BMW vehicles indicates an issue with the Reductant Heater ‘A’ Sense Circuit. This code is specific to the reductant system, which is responsible for reducing harmful emissions in the exhaust gases.
BMW DTC P24D2 symptoms
Symptoms of the DTC P24D2 on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible exhaust odor
BMW DTC P24D2 causes
Common causes of the DTC P24D2 on BMW vehicles include:
- Defective reductant heater ‘A’
- Wiring or connector issues in the reductant heater circuit
- Faulty reductant heater control module
BMW DTC P24D2 seriousness
The DTC P24D2 fault code should not be ignored as it can lead to increased emissions and potential engine performance issues. It is important to address this fault code promptly to ensure proper vehicle operation and compliance with emissions regulations.
How to diagnose DTC P24D2 on BMW
To diagnose the DTC P24D2 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the reductant heater ‘A’ and its wiring for any visible damage
- Test the reductant heater circuit for continuity and proper voltage
- Check the reductant heater control module for proper operation
How to fix DTC P24D2 on BMW
To fix the DTC P24D2 on a BMW, the following steps may be taken:
- Replace the defective reductant heater ‘A’
- Repair any damaged wiring or connectors in the reductant heater circuit
- Replace the faulty reductant heater control module
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P24D2 on BMW
To erase the DTC P24D2 fault code on a BMW, a diagnostic scanner can be used to clear the code from the vehicle’s computer system. After the repair has been completed, the code can be cleared to reset the Check Engine Light and ensure 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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