P2A28 – BMW DTC

BMW DTC P2A28 – Alternative Fuel Tank Shutoff Valve ‘C’ Control Circuit Low

DTC P2A28 meaning on BMW

The DTC P2A28 code on a BMW indicates an issue with the Alternative Fuel Tank Shutoff Valve ‘C’ Control Circuit being detected as low. This means that the control circuit for the shutoff valve is not operating within the expected voltage range, potentially leading to improper functioning of the valve.

BMW DTC P2A28 symptoms

Symptoms of the DTC P2A28 code on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Issues with fuel delivery

BMW DTC P2A28 causes

Possible causes of the DTC P2A28 code on a BMW include:

• Faulty Alternative Fuel Tank Shutoff Valve ‘C’
• Wiring or connection issues in the control circuit
• ECU (Engine Control Unit) malfunction

BMW DTC P2A28 seriousness

While the DTC P2A28 code may not cause immediate drivability issues, it is important to address it promptly to prevent potential fuel system problems and ensure optimal engine performance.

How to diagnose DTC P2A28 on BMW

To diagnose the DTC P2A28 code on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the wiring and connections related to the Alternative Fuel Tank Shutoff Valve ‘C’
3. Test the valve for proper operation
4. Check the ECU for any malfunctions

How to fix DTC P2A28 on BMW

To fix the DTC P2A28 code on a BMW, you may need to:

1. Replace the Alternative Fuel Tank Shutoff Valve ‘C’ if it is faulty
2. Repair any wiring or connection issues in the control circuit
3. Address any ECU malfunctions

How to erase DTC P2A28 on BMW

To erase the DTC P2A28 code on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes
2. Ensure that the underlying issue has been resolved before clearing the code

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.