2022-2025 Audi Models MIL On DTC P240700 TSB

Audi has issued Technical Service Bulletin (TSB) 2071770/11 to address instances where the Malfunction Indicator Lamp (MIL) illuminates in various 2022-2025 Audi gasoline models. This issue is specifically linked to the diagnostic trouble code (DTC) P240700, which points to a problem within the evaporative emission system's leak detection pump. Owners experiencing an Audi MIL On P240700 should consult this bulletin.

The TSB, released on March 21, 2025, provides detailed instructions for technicians to diagnose and repair this condition, primarily through a software optimization for the engine control unit. This ensures proper functionality of the fuel tank leak detection system and prevents the MIL from activating unnecessarily.

Revision History

Technical Service Bulletin 2071770/11 has undergone several revisions to ensure accuracy and expand its applicability:

• Revision 11 (Date N/A): Revised the service procedure to include a comment regarding DMTL (Leak Detection Pump) replacement.
• Revision 10 (January 30, 2025): Updated the header and title for clarity, and added more models to the SVM (Software Version Management) table.
• Revision 9 (December 2, 2024): Also revised the service procedure by adding models to the SVM table and updating the header to reflect these changes.

Symptoms

Owners of affected 2022-2025 Audi vehicles will primarily notice one clear symptom related to this issue: the Malfunction Indicator Lamp (MIL) will be illuminated on the instrument cluster. This light, often referred to as the 'Check Engine' light, indicates a detected fault within the vehicle's emissions system. The presence of the Audi MIL On P240700 is the key indicator for this specific problem, alongside potential