P2A74 – BMW DTC

BMW DTC P2A74 – Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Intermittent/Erratic

DTC P2A74 meaning on BMW

The DTC P2A74 code on a BMW refers to an issue with the Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit being intermittent or erratic. This code indicates a problem with the control circuit that manages the hydraulic fuel pump select valve in vehicles equipped with alternative fuel systems.

BMW DTC P2A74 symptoms

Symptoms of the DTC P2A74 code on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Engine stalling or hesitation
• Decreased fuel efficiency

BMW DTC P2A74 causes

Common causes of the DTC P2A74 code on a BMW include:

• Faulty hydraulic fuel pump select valve
• Wiring or connector issues in the control circuit
• Corrosion or poor connections in the circuit
• Software or programming issues

BMW DTC P2A74 seriousness

The DTC P2A74 code should not be ignored as it can lead to drivability issues and potential engine damage if left unresolved. It is recommended to address this code promptly to prevent further complications.

How to diagnose DTC P2A74 on BMW

To diagnose the DTC P2A74 code on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the hydraulic fuel pump select valve and its wiring for any visible damage
3. Check the connectors and wiring in the control circuit for corrosion or poor connections
4. Perform a continuity test on the circuit to identify any open or short circuits
5. Verify proper operation of the valve and control circuit using a multimeter

How to fix DTC P2A74 on BMW

To fix the DTC P2A74 code on a BMW, the following steps may be taken:

1. Replace the faulty hydraulic fuel pump select valve if necessary
2. Repair or replace any damaged wiring or connectors in the control circuit
3. Clean any corrosion from the connectors and ensure proper connections
4. Update the software or reprogram the control module if needed
5. Clear the fault code and test drive the vehicle to ensure the issue is resolved

How to erase DTC P2A74 on BMW

To erase the DTC P2A74 code on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault code from the vehicle’s memory
2. Ensure that the underlying issue causing the code has been addressed and resolved
3. Perform a test drive to confirm that the code does not return

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.