BMW DTC P3487 – Cylinder 11 Exhaust Valve Control Circuit Low
DTC P3487 meaning on BMW
The Diagnostic Trouble Code (DTC) P3487 for BMW indicates an issue with the Cylinder 11 Exhaust Valve Control Circuit being detected as low. This means that there is a problem with the electrical circuit controlling the exhaust valve in cylinder 11 of the engine.
BMW DTC P3487 symptoms
Symptoms of DTC P3487 on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Engine running rough or misfiring
- Reduced engine performance
- In some cases, the vehicle may go into a limp mode
BMW DTC P3487 causes
Common causes of DTC P3487 on a BMW include:
- Faulty exhaust valve control solenoid
- Wiring issues in the exhaust valve control circuit
- ECU (Engine Control Unit) malfunction
- Mechanical problem with the exhaust valve itself
BMW DTC P3487 seriousness
The seriousness of DTC P3487 on a BMW depends on the underlying cause. Ignoring this fault code can lead to further engine damage and decreased performance. It is recommended to address this issue promptly to prevent any potential long-term issues.
How to diagnose DTC P3487 on BMW
To diagnose DTC P3487 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and any related codes
- Inspect the wiring and connectors in the exhaust valve control circuit for any damage or loose connections
- Test the exhaust valve control solenoid for proper operation
- Check the ECU for any faults or malfunctions
How to fix DTC P3487 on BMW
To fix DTC P3487 on a BMW, you can try the following:
- Replace the faulty exhaust valve control solenoid
- Repair any damaged wiring or connectors in the exhaust valve control circuit
- If the ECU is faulty, it may need to be reprogrammed or replaced
- If there is a mechanical issue with the exhaust valve, it may need to be inspected and repaired
How to erase DTC P3487 on BMW
To erase DTC P3487 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECU’s memory. After fixing the underlying issue causing the fault code, you can then erase it to reset the Check Engine Light and ensure 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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