P2400 – BMW DTC

BMW DTC P2400 – EVAP System Leak Detection Pump Control Circuit/Open

DTC P2400 meaning on BMW

DTC P2400 on a BMW indicates a fault with the EVAP (Evaporative Emission Control) System Leak Detection Pump Control Circuit. This fault code is triggered when the Engine Control Module (ECM) detects an open circuit or a lack of communication with the leak detection pump control module.

BMW DTC P2400 symptoms

Symptoms of DTC P2400 on a BMW may include:

• Check Engine Light illuminated on the dashboard
• Decreased fuel efficiency
• Strong fuel odor near the vehicle

BMW DTC P2400 causes

Common causes of DTC P2400 on a BMW include:

• Faulty EVAP leak detection pump
• Open or short circuit in the wiring harness
• Corroded or loose electrical connections

BMW DTC P2400 seriousness

While DTC P2400 may not cause immediate drivability issues, it is important to address this fault as it can lead to increased emissions and potential long-term damage to the vehicle’s emission control system.

How to diagnose DTC P2400 on BMW

To diagnose DTC P2400 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 harness and connectors for any signs of damage or corrosion
4. Test the leak detection pump and its control circuit for proper operation

How to fix DTC P2400 on BMW

To fix DTC P2400 on a BMW, you can follow these steps:

1. Replace the faulty EVAP leak detection pump if necessary
2. Repair any open or short circuits in the wiring harness
3. Clean or replace any corroded or loose electrical connections
4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P2400 on BMW

To erase DTC P2400 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. After clearing the code, it is recommended to perform a test drive to verify that the issue has been resolved.

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.