Service bulletins for the 2021 Audi e-tron Sportback
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
557 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Anti-lock brakes are shown. Show all
| A4524402072977_2 | 2024-04-04. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. This bulletin provides information when the ABS/ESC control unit cannot be reached, DTC U012100, ABS Control Module not communication. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.