BMW DTC P069C – Cylinder 10 Glow Plug Control Circuit Low
DTC P069C meaning on BMW
DTC P069C for BMW indicates a low voltage condition in the cylinder 10 glow plug control circuit. This fault code is specific to the glow plug system of the engine, which is responsible for aiding in cold starts by heating the combustion chamber.
BMW DTC P069C symptoms
Symptoms of DTC P069C on a BMW may include:
- Hard starting in cold weather
- Rough idling during cold starts
- Decreased fuel efficiency
- Illuminated check engine light
BMW DTC P069C causes
The common causes of DTC P069C on a BMW are:
- Defective glow plug in cylinder 10
- Wiring issues in the glow plug control circuit
- Faulty glow plug control module
- Corrosion or poor connections in the circuit
BMW DTC P069C seriousness
While DTC P069C may not cause immediate drivability issues, it can lead to starting problems and reduced engine performance, especially in cold weather conditions. Ignoring this fault code can potentially cause further damage to the engine over time.
How to diagnose DTC P069C on BMW
To diagnose DTC P069C on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the glow plug in cylinder 10 for proper operation
- Check the wiring and connections in the glow plug control circuit
- Test the glow plug control module for functionality
How to fix DTC P069C on BMW
To fix DTC P069C on a BMW, consider the following actions:
- Replace the faulty glow plug in cylinder 10
- Repair any damaged wiring or connections in the circuit
- Replace the defective glow plug control module
- Clean any corrosion in the circuit and ensure proper connections
How to erase DTC P069C on BMW
To erase DTC P069C on a BMW, you can use a diagnostic scanner to clear the fault code after the underlying issue has been resolved. Once the repair has been completed, the code can be cleared to reset the check engine light and ensure the system is functioning properly.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.