P0413 – BMW DTC

BMW DTC P0413 – AIR System Switching Valve ‘A’ Circuit Open

DTC P0413 meaning on BMW

DTC P0413 indicates that there is an open circuit in the AIR System Switching Valve ‘A’ for BMW vehicles. This valve is responsible for controlling the flow of air into the secondary air injection system, which helps reduce emissions during cold starts.

BMW DTC P0413 symptoms

Symptoms of DTC P0413 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Inefficient fuel consumption

BMW DTC P0413 causes

The common causes of DTC P0413 on a BMW are:

• Faulty AIR System Switching Valve ‘A’
• Open or short circuit in the wiring connected to the valve
• Corrosion or poor connection in the electrical system

BMW DTC P0413 seriousness

While DTC P0413 may not cause immediate drivability issues, it can lead to increased emissions and potential long-term engine damage if left unresolved. It is recommended to address this issue promptly to maintain optimal vehicle performance and environmental compliance.

How to diagnose DTC P0413 on BMW

To diagnose DTC P0413 on a BMW, follow these steps:

1. Use an OBD-II scanner to retrieve the fault code
2. Inspect the wiring and connectors associated with the AIR System Switching Valve ‘A’
3. Test the valve for proper operation using a multimeter
4. Check for any signs of corrosion or damage in the system

How to fix DTC P0413 on BMW

To fix DTC P0413 on a BMW, you can:

1. Replace the faulty AIR System Switching Valve ‘A’
2. Repair any open or short circuits in the wiring
3. Clean or replace corroded connectors
4. Clear the fault code and reset the Check Engine Light

How to erase DTC P0413 on BMW

To erase DTC P0413 on a BMW, you can:

1. Use an OBD-II scanner to clear the fault code
2. Disconnect the vehicle’s battery for a few minutes to reset the system
3. Ensure that the underlying issue causing the fault code has been resolved before clearing it

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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