Service bulletins for the 2016 Audi A6
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.
1018 on file from NHTSA, as of 2026-10-19.
About P1A5B on the 2016 Audi A6: what the code means, and the bulletins and recalls about the same components.
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By component
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Only bulletins with trouble code: P1A5B are shown. Show all
| A3423652070167_2 | 2023-12-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This bulletin provides information for when the cooling oil valve fails basic settings after repair; DTC P1A5B00. |
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| A3423632070167_1 | 2023-06-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin provides instructions for when DTC P1A5B00 is stored after replacing the transmission control module or valve body for another concern. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.