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Repairer Driven News: Audi e-tron 12-Volt Battery Cautions
I-CAR · April 14, 2021 · Audi
Summary
This article highlights the critical role of the 12-volt battery in the Audi e-tron, noting that it powers ADAS and vehicle controllers and is required to energize the high-voltage battery. It warns that improper battery disconnection triggers diagnostic trouble codes and that the vehicle must be protected from excessive heat and exposure times during paint booth bake cycles.
What to do on the job
Follow exact Audi procedures when disconnecting the 12-volt battery to prevent DTCs, and strictly adhere to temperature and time limits during paint bake cycles to protect the battery systems.
How to use it
Use this document to justify the labor time required for following specific Audi battery disconnection/reconnection procedures and to support charges for protecting or removing temperature-sensitive battery components prior to placing the vehicle in a paint bake booth.
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