BMW DTC P3247 – Internal Control Module NVRAM Backup Error
DTC P3247 meaning on BMW
The Diagnostic Trouble Code (DTC) P3247 for BMW refers to an Internal Control Module Non-Volatile Random Access Memory (NVRAM) Backup Error. This error indicates a problem with the backup memory storage within the control module of the vehicle.
BMW DTC P3247 symptoms
Symptoms of the DTC P3247 on a BMW may include issues with starting the vehicle, rough idling, poor engine performance, and potential stalling. Additionally, the Check Engine Light may be illuminated on the dashboard.
BMW DTC P3247 causes
The Internal Control Module NVRAM Backup Error (DTC P3247) on a BMW can be caused by various factors, including a faulty control module, electrical issues, or a software malfunction. It may also occur due to a power interruption or voltage spike.
BMW DTC P3247 seriousness
While the DTC P3247 may not directly affect the drivability of the vehicle in some cases, it is essential to address this issue promptly. Ignoring this error can lead to potential long-term damage to the vehicle’s control module and other related systems.
How to diagnose DTC P3247 on BMW
To diagnose the DTC P3247 on a BMW, a professional diagnostic scan tool is typically used to retrieve the specific error code. The technician will then inspect the control module and related wiring for any visible damage or loose connections. Additionally, testing the power supply and ground connections may be necessary to identify the root cause of the issue.
How to fix DTC P3247 on BMW
Fixing the DTC P3247 on a BMW may involve reprogramming or replacing the control module if it is determined to be faulty. Ensuring that the electrical connections are secure and free of corrosion is also crucial. In some cases, updating the software of the control module can resolve the NVRAM backup error.
How to erase DTC P3247 on BMW
Once the underlying issue causing the DTC P3247 has been addressed and fixed, the error code can be cleared using a diagnostic scan tool. By clearing the code, the Check Engine Light should turn off, indicating that the problem has been resolved. It is important to verify that the error does not reoccur after clearing it.
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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