P11AA – BMW DTC

BMW DTC P11AA – Throttle tight (Bank 1)

DTC P11AA meaning on BMW

The DTC P11AA fault code on a BMW indicates an issue with the throttle tightness in Bank 1. This fault code is specific to BMW vehicles and relates to a problem with the throttle system on the engine bank 1 side.

BMW DTC P11AA symptoms

Symptoms of the DTC P11AA fault code on a BMW may include:

• Reduced engine power
• Engine stalling
• Difficulty accelerating
• Check Engine Light (CEL) illuminated on the dashboard

BMW DTC P11AA causes

The DTC P11AA fault code on a BMW can be caused by various factors, including:

• Throttle body issues
• Wiring or connector problems in the throttle system
• Electronic control module (ECM) malfunction
• Throttle position sensor failure

BMW DTC P11AA seriousness

The DTC P11AA fault code should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this fault code may result in further damage to the engine or other components.

How to diagnose DTC P11AA on BMW

To diagnose the DTC P11AA fault code on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and related data
2. Inspect the throttle body for any signs of damage or sticking
3. Check the wiring and connectors in the throttle system for loose connections or corrosion
4. Test the throttle position sensor for proper operation

How to fix DTC P11AA on BMW

To fix the DTC P11AA fault code on a BMW, the following steps may be taken:

1. Clean or replace the throttle body if necessary
2. Repair any damaged wiring or connectors in the throttle system
3. Replace the throttle position sensor if it is faulty
4. Reset the ECM and clear the fault code

How to erase DTC P11AA on BMW

To erase the DTC P11AA fault code on a BMW, a diagnostic scanner can be used to clear the code from the ECM’s memory. After fixing the underlying issue causing the fault code, the code can be cleared to reset the Check Engine Light and ensure the problem 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.