2022 Audi e-tron Battery Test Plan Hotfix

Symptoms of the Diagnostic Tool Issue

Technicians performing diagnostic procedures on the 2022 Audi e-tron may encounter significant difficulties when utilizing the "AX2 - High Voltage Battery 1 Initiation test plan". The primary symptom is the diagnostic system's inability to display accurate or expected values during the test. This critical malfunction is often accompanied by the ODIS tester freezing up or even crashing completely while the test is in progress. The exact warning message observed is: "AX2 - High Voltage Battery 1 Initiation test plan does not display the correct values or freezing up and crashing during the test". These issues prevent a proper and complete assessment of the vehicle's high voltage battery system, potentially delaying repairs or misdiagnosing problems.

Understanding the AX2 - High Voltage Battery 1 Initiation Test Plan

The "AX2 - High Voltage Battery 1 Initiation test plan" is an essential diagnostic routine within Audi's Offboard Diagnostic Information System Service (ODIS). This test is specifically designed to initialize and thoroughly evaluate the high voltage battery system present in electric vehicles like the Audi e-tron. It plays a crucial role in verifying the battery's operational status, charge capacity, and overall health, ensuring it meets safety and performance standards. When this particular Audi e-tron battery test plan malfunctions, it compromises a technician's ability to accurately service and troubleshoot the vehicle's most vital electrical component.

The Hotfix Solution

To rectify the diagnostic tool's problematic behavior, Audi has issued a targeted software update, referred to as a hotfix. Technicians are directed to install the hotfix identified by the code A_2.37.0_LeaktestHf1_20250120-104847 onto their ODIS diagnostic testers. This installation process is straightforward and aims to quickly restore the diagnostic system's functionality. Following the successful application of this hotfix, the "AX2 - High Voltage Battery 1 Initiation test plan" should be re-executed. The updated software is engineered to ensure the test plan runs without errors, accurately displays all necessary values, and eliminates instances of system freezing or crashing.

Important Notes for Technicians

Audi has provided specific guidelines for technicians to ensure a smooth implementation of this hotfix. It is imperative that the ODIS tester being used is operating on Audi Brand version 2.37.0. Failure to meet this software version requirement may result in the hotfix not installing correctly or not resolving the underlying issue.

Furthermore, technicians should be aware that due to the expedited release of this solution, some portions of the hotfix or the updated test plan might still contain German text. If any directions or prompts are unclear, technicians are encouraged to use translation tools, such as Google Translate, for clarification. If, after attempting translation, issues with the Audi e-tron battery test plan persist, technicians are advised to contact Audi's technical support for further assistance.

Contact for Technical Support

For any further inquiries or technical support concerning this hotfix or the "AX2 - High Voltage Battery 1 Initiation test plan", Audi provides a direct point of contact. Technicians can reach David Provonche by phone at 248-754-6091 or via email at [email protected]. This support channel is managed by Audi GFF / ODIS Validation / Service42 Research and VWGoA, Inc. Product Quality & Technical Service, ensuring specialized assistance for diagnostic challenges.

NHTSA ID: 11013736