2022-2023 Audi MIL on DTC P240700

Symptoms

Owners of certain 2022-2023 Audi models may observe the Malfunction Indicator Lamp (MIL), commonly known as the Check Engine Light, illuminating on their dashboard. This light indicates that the vehicle's engine control module has detected an issue within the emission control system.

Fault Codes / DTCs

When the MIL is illuminated due to this condition, a diagnostic scan will typically reveal the following Diagnostic Trouble Code (DTC) stored as Passive/Static in the Engine control module (-J623-), which is address word 001:

Code	Description
P240700	Evap emission control system leakage diagnosis pump current fluctuating

Important Warnings

Audi has issued specific guidance regarding this condition. It is crucial for owners and technicians to understand that no component replacement is recommended for the "Audi P240700 MIL" at this time. Replacing parts will not resolve the underlying issue and is explicitly advised against in Technical Service Bulletin 01 24 17 2066675/7. Audi expects a permanent solution to be available by the end of the second quarter of 2024.

Repair Procedure Summary

Technical Service Bulletin 01 24 17 2066675/7, which supersedes Group 01 number 23-99 dated November 22, 2023, outlines a temporary service procedure for vehicles exhibiting the "Audi P240700 MIL" with the P240700 DTC. This bulletin was last revised on April 4, 2024.

Technicians are instructed to perform the following steps:

1. Delete the DTC: The primary action is to clear the P240700 fault code from the vehicle's Engine control module.
2. Release Vehicle: After clearing the code, the vehicle can be released back to the customer.
3. Customer Communication: Technicians must explain to the customer that a permanent solution for the Evap leak detection pump circuit issue is currently under development and is anticipated by the end of the second quarter of 2024. They must also emphasize that no repairs or component replacements are necessary or recommended at this stage, as they will not resolve the concern.
4. Create PSS Record: A Pending Service Solution (PSS) record must be created in the PSS application, accessible via the Pending Service Solutions link in Access Audi (under Related Links >> Service) or through the Technical Assistance page in Elsa.

For 2022 and 2023 Audi Q5 PHEV and 2022 Audi Q3 vehicles that display the "Audi P240700 MIL" with DTC P240700, technicians should refer to a separate bulletin, TSB 2071770, titled "01 MIL on, DTC P240700 Leak Detection Pump Current Fluctuating."

Owner Action

If your 2022-2023 Audi displays a Check Engine Light and you suspect the "Audi P240700 MIL" issue, it is recommended to contact your authorized Audi dealer. They will perform a diagnostic scan to confirm the presence of DTC P240700, which indicates a fluctuating current in the Evap emission control system leakage diagnosis pump circuit.

Based on Audi Technical Service Bulletin 01 24 17 2066675/7, the current action involves clearing the fault code and documenting the issue for a future permanent fix. No parts will be replaced, and no immediate repair is performed. It is important to stay informed about future updates from Audi regarding this issue, as a permanent solution is expected in the near future.