P2519 – BMW DTC

BMW DTC P2519 – A/C Request ‘A’ Circuit

DTC P2519 meaning on BMW

DTC P2519 on a BMW refers to the A/C Request ‘A’ Circuit. This diagnostic trouble code indicates an issue with the air conditioning system’s request signal circuit ‘A’. The signal is used to communicate the driver’s demand for air conditioning to the vehicle’s control module.

BMW DTC P2519 symptoms

Symptoms of DTC P2519 on a BMW may include:

• Malfunctioning air conditioning system
• Failure of the A/C to respond to driver input
• Dashboard warning light related to the A/C system

BMW DTC P2519 causes

Common causes of DTC P2519 on a BMW include:

• Faulty A/C request signal circuit ‘A’
• Issues with the A/C control module
• Wiring or connection problems in the A/C system

BMW DTC P2519 seriousness

While DTC P2519 may not directly affect the drivability of the vehicle, a malfunctioning air conditioning system can lead to discomfort for the occupants, especially in extreme weather conditions. It is recommended to address this issue to ensure the proper functioning of the A/C system.

How to diagnose DTC P2519 on BMW

To diagnose DTC P2519 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s control module.
2. Inspect the A/C request signal circuit ‘A’ for any visible damage or loose connections.
3. Check the A/C control module for proper operation and communication.
4. Perform a thorough inspection of the A/C system components for any other potential issues.

How to fix DTC P2519 on BMW

To fix DTC P2519 on a BMW, consider the following steps:

1. Repair or replace any damaged wiring or connections in the A/C request signal circuit ‘A’.
2. If the issue lies with the A/C control module, replace it with a new or functioning unit.
3. Ensure all A/C system components are properly connected and functioning correctly.
4. Clear the fault codes using a diagnostic scanner after the repairs have been completed.

How to erase DTC P2519 on BMW

To erase DTC P2519 on a BMW, follow these steps:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port.
2. Access the scanner’s menu to clear the fault codes stored in the control module.
3. Follow the on-screen instructions to erase the DTC P2519 code.
4. Once the code has been cleared, perform a test drive to ensure 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.