BMW DTC P3495 – Cylinder 12 Exhaust Valve Control Circuit Low
DTC P3495 meaning on BMW
The Diagnostic Trouble Code (DTC) P3495 for BMW indicates an issue with the Cylinder 12 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 12 of the engine.
BMW DTC P3495 symptoms
Symptoms of DTC P3495 on a BMW may include:
- Check Engine Light illuminated on the dashboard
- Reduced engine performance or power
- Engine misfires or rough idling
- Increased fuel consumption
BMW DTC P3495 causes
Common causes of DTC P3495 on a BMW include:
- Faulty exhaust valve control solenoid
- Wiring issues or poor electrical connections
- Defective Engine Control Module (ECM)
- Mechanical problems with the exhaust valve itself
BMW DTC P3495 seriousness
Ignoring DTC P3495 on a BMW can lead to potential engine damage and decreased performance. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P3495 on BMW
To diagnose DTC P3495 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes and identify P3495.
- Inspect the wiring and connectors related to the exhaust valve control circuit for any damage or loose connections.
- Test the exhaust valve control solenoid for proper operation.
- Check the ECM for any faults or malfunctions.
How to fix DTC P3495 on BMW
To fix DTC P3495 on a BMW, you can try the following solutions:
- Replace the faulty exhaust valve control solenoid.
- Repair any damaged wiring or connectors in the exhaust valve control circuit.
- If the ECM is faulty, consider reprogramming or replacing it.
- Ensure the exhaust valve is functioning correctly and repair or replace if necessary.
How to erase DTC P3495 on BMW
To erase DTC P3495 on a BMW, you can use a diagnostic scanner to clear the fault codes after the underlying issue has been resolved. Once the repairs have been made, clearing the codes will reset the Check Engine Light and ensure the system is rechecked for any new faults.
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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