Service bulletins for the 2021 Audi A6 allroad
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.
1070 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Transmission and driveline are shown. Show all
| A3422542060242_2 | 2022-04-05. Service bulletin. POWER TRAIN. This bulletin contains instructions for when DTC P071800 and P081100 are stored with various transmission issues. |
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| A3522422064312_3 | 2022-02-04. Service bulletin. UNKNOWN OR OTHER; PARKING BRAKE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This repair bulletin describes the process to address a DTC stored in the transmission control module |
| A3521392064312_1 | 2021-11-05. Service bulletin. POWER TRAIN. This bulletin contains three different repair scenarios for when DTC P17F900 is stored in the TCM with symptom code 22345 and there is a gearbox malfunction message. |
| A3421532064848_1 | 2021-11-05. Service bulletin. POWER TRAIN. This bulletin addresses an issue where basic settings cannot be performed as DTC P17F900 is stored in the TCM. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.