BMW DTC P067A – Cylinder 4 Glow Plug Control Circuit Low
DTC P067A meaning on BMW
DTC P067A indicates a low voltage condition in the glow plug control circuit for cylinder 4 in a BMW vehicle. Glow plugs are used in diesel engines to heat the combustion chamber for easier cold starts. This fault code suggests that there is an issue with the control circuit responsible for regulating the glow plug operation in cylinder 4.
BMW DTC P067A symptoms
Symptoms of DTC P067A in a BMW may include:
- Hard starting, especially in cold weather
- Rough idling or misfiring
- Reduced engine performance
- Illuminated Check Engine Light
BMW DTC P067A causes
Common causes of DTC P067A in a BMW include:
- Defective glow plug in cylinder 4
- Faulty glow plug control module
- Wiring issues or poor electrical connections
- Corrosion or damage in the glow plug circuit
BMW DTC P067A seriousness
Ignoring DTC P067A in a BMW can lead to starting difficulties, reduced engine performance, and potential damage to the engine over time. It is important to address this issue promptly to ensure proper engine operation.
How to diagnose DTC P067A on BMW
To diagnose DTC P067A on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and verify it is P067A.
- Inspect the glow plug in cylinder 4 for any signs of damage or wear.
- Check the wiring and connections in the glow plug control circuit for continuity and proper voltage.
- Test the glow plug control module for proper operation.
How to fix DTC P067A on BMW
To fix DTC P067A on a BMW, you can try the following:
- Replace the glow plug in cylinder 4 if it is found to be faulty.
- Repair any damaged wiring or connections in the glow plug control circuit.
- Replace the glow plug control module if it is determined to be the cause of the issue.
- Clear the fault code and test the vehicle to ensure the issue is resolved.
How to erase DTC P067A on BMW
To erase DTC P067A on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After making the necessary repairs and confirming that the issue has been resolved, you can reset the Check Engine Light and erase the fault code to ensure it does not reappear.
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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