P2405 – BMW DTC

BMW DTC P2405 – EVAP System Leak Detection Pump Sense Circuit Low

DTC P2405 meaning on BMW

The Diagnostic Trouble Code (DTC) P2405 for BMW refers to the ¨EVAP System Leak Detection Pump Sense Circuit Low.¨ This code indicates that there is a low voltage condition detected in the circuit that monitors the operation of the EVAP (Evaporative Emission Control) system’s leak detection pump.

BMW DTC P2405 symptoms

Symptoms of DTC P2405 on a BMW may include:

• Check Engine Light (MIL) illuminated on the dashboard
• Decreased fuel efficiency
• Issues with passing emissions tests

BMW DTC P2405 causes

Common causes of DTC P2405 on a BMW include:

• Faulty EVAP leak detection pump
• Wiring or connector issues in the sense circuit
• Corrosion or poor connections in the circuit

BMW DTC P2405 seriousness

While DTC P2405 may not cause immediate drivability issues, it is important to address this code promptly to ensure proper operation of the EVAP system and maintain emissions compliance.

How to diagnose DTC P2405 on BMW

To diagnose DTC P2405 on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the EVAP system components for any visible damage or leaks
3. Check the wiring and connectors in the sense circuit for continuity and proper connections
4. Test the EVAP leak detection pump for proper operation

How to fix DTC P2405 on BMW

To fix DTC P2405 on a BMW, you can try the following:

1. Replace the faulty EVAP leak detection pump
2. Repair any damaged wiring or connectors in the sense circuit
3. Clean or replace any corroded connections in the circuit

How to erase DTC P2405 on BMW

To erase DTC P2405 on a BMW, you can use a diagnostic scanner to clear the code after the underlying issue has been addressed and fixed. Once the repair is completed, the code can be cleared to reset 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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