P24BD – BMW DTC

BMW DTC P24BD – EVAP System Leak Detection Pump Switching Valve Control Circuit/Open

DTC P24BD meaning on BMW

DTC P24BD on a BMW refers to a fault in the EVAP (Evaporative Emission Control System) System Leak Detection Pump Switching Valve Control Circuit. This diagnostic trouble code indicates that there is an open circuit detected in the control circuit of the switching valve for the EVAP system’s leak detection pump.

BMW DTC P24BD symptoms

Symptoms of DTC P24BD on a BMW may include:

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

BMW DTC P24BD causes

Common causes of DTC P24BD on a BMW include:

• Faulty EVAP system leak detection pump switching valve
• Open or short circuit in the control wiring
• Corrosion or poor connections in the circuit

BMW DTC P24BD seriousness

While DTC P24BD may not cause immediate drivability issues, it is important to address this fault promptly. Ignoring this fault can lead to increased emissions, reduced fuel efficiency, and potential long-term damage to the EVAP system components.

How to diagnose DTC P24BD on BMW

To diagnose DTC P24BD on a BMW, you can follow these steps:

1. Use an OBD-II 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 related to the leak detection pump switching valve
4. Perform a circuit test to check for continuity and proper voltage

How to fix DTC P24BD on BMW

To fix DTC P24BD on a BMW, you can consider the following actions:

1. Replace the faulty EVAP system leak detection pump switching valve
2. Repair any open or short circuits in the control wiring
3. Clean or replace corroded connectors in the circuit
4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P24BD on BMW

To erase DTC P24BD on a BMW, you can use an OBD-II scanner to clear the fault code from the vehicle’s memory. After fixing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and ensure the repair was successful.

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.