BMW DTC P0086 – Exhaust Valve Control Solenoid Circuit High (Bank 2)
DTC P0086 meaning on BMW
DTC P0086 on a BMW indicates a fault with the Exhaust Valve Control Solenoid Circuit on Bank 2. This fault code is triggered when the Engine Control Module (ECM) detects that the voltage signal from the exhaust valve control solenoid on Bank 2 is higher than the specified range.
BMW DTC P0086 symptoms
Symptoms of DTC P0086 on a BMW may include:
- Check Engine Light illuminated
- Engine running rough
- Reduced engine performance
- Increased fuel consumption
BMW DTC P0086 causes
The common causes of DTC P0086 on a BMW include:
- Faulty exhaust valve control solenoid
- Wiring or connector issues in the exhaust valve control solenoid circuit
- ECM software issues
BMW DTC P0086 seriousness
DTC P0086 should not be ignored as it can lead to poor engine performance and potentially cause damage to other engine components. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P0086 on BMW
To diagnose DTC P0086 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
- Inspect the wiring and connectors in the exhaust valve control solenoid circuit for any damage or corrosion.
- Test the exhaust valve control solenoid for proper operation using a multimeter.
- Check for any software updates available for the ECM.
How to fix DTC P0086 on BMW
To fix DTC P0086 on a BMW, you can try the following solutions:
- Replace the faulty exhaust valve control solenoid.
- Repair or replace any damaged wiring or connectors in the circuit.
- Update the ECM software to the latest version.
How to erase DTC P0086 on BMW
To erase DTC P0086 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. After addressing the underlying issue causing the fault code, you can reset the ECM to clear the code and 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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