BMW DTC P06FC – Glow Plug Control Module 2 to PCM Communication Circuit
DTC P06FC meaning on BMW
The DTC P06FC fault code on BMW vehicles indicates a communication error between the Glow Plug Control Module 2 and the Powertrain Control Module (PCM). This fault code is specific to the glow plug system in diesel engines, where the Glow Plug Control Module 2 is responsible for managing the operation of the glow plugs.
BMW DTC P06FC symptoms
Symptoms of the DTC P06FC on a BMW may include:
- Check Engine Light (MIL) illuminated
- Engine misfires or rough idling
- Reduced engine performance
- Possible difficulty starting the engine, especially in cold conditions
BMW DTC P06FC causes
Common causes of the DTC P06FC on BMW vehicles include:
- Faulty Glow Plug Control Module 2
- Wiring or connection issues between the Glow Plug Control Module 2 and PCM
- PCM software or hardware issues
BMW DTC P06FC seriousness
The DTC P06FC fault code should not be ignored as it can lead to engine performance issues and potential starting problems, especially in cold weather conditions. It is recommended to address this fault code promptly to prevent further complications.
How to diagnose DTC P06FC on BMW
To diagnose the DTC P06FC on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and freeze frame data
- Inspect the wiring and connections between the Glow Plug Control Module 2 and PCM for any damage or corrosion
- Test the Glow Plug Control Module 2 for proper functionality
- Check the PCM for any software updates or hardware issues
How to fix DTC P06FC on BMW
To fix the DTC P06FC on a BMW, the following steps may be taken:
- Replace the faulty Glow Plug Control Module 2 if diagnosed as the root cause
- Repair or replace any damaged wiring or connections between the modules
- Update the PCM software if necessary
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC P06FC on BMW
To erase the DTC P06FC fault code on a BMW, a diagnostic scanner can be used to clear the code from the vehicle’s memory. After fixing the underlying issue causing the fault code, the code can be cleared to reset the Check Engine Light and ensure that the repair was successful.
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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