BMW DTC P068D – Cylinder 7 Glow Plug Control Circuit High
DTC P068D meaning on BMW
DTC P068D for BMW refers to a fault with the Cylinder 7 Glow Plug Control Circuit being detected as high. This diagnostic trouble code indicates that there is an issue with the control circuit for the glow plug in cylinder 7 of the engine.
BMW DTC P068D symptoms
Symptoms of DTC P068D on a BMW may include:
- Check Engine Light illuminated
- Engine misfires
- Reduced engine performance
- Hard starting or extended cranking time
BMW DTC P068D causes
Common causes of DTC P068D on a BMW include:
- Faulty glow plug in cylinder 7
- Wiring or connection issues in the glow plug control circuit
- Defective glow plug control module
BMW DTC P068D seriousness
The seriousness of DTC P068D on a BMW depends on the underlying cause. Ignoring this fault can lead to poor engine performance, increased emissions, and potential damage to the engine over time. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P068D on BMW
To diagnose DTC P068D on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the glow plug in cylinder 7 for any signs of damage or wear
- Check the wiring and connections in the glow plug control circuit for any faults
- Test the glow plug control module for proper operation
How to fix DTC P068D on BMW
To fix DTC P068D on a BMW, you can try the following:
- Replace the faulty glow plug in cylinder 7
- Repair any damaged wiring or connections in the glow plug control circuit
- Replace the defective glow plug control module if necessary
How to erase DTC P068D on BMW
To erase DTC P068D on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s engine control module. Once the issue has been addressed and fixed, you can reset the code to turn off the Check Engine Light.
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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