Service bulletins for the 2014 Audi A8
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.
1325 on file from NHTSA, as of 2026-10-19.
About P20E8 on the 2014 Audi A8: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P20E8 are shown. Show all
| A011689 2040962- | 2018-03-13. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. This bulletin provides information for a hardware and software update for TDI clean diesel vehicles with DTC P20E800. |
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| A0115322040962-2 | 2018-02-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Supersedes Technical Service Bulletin Group 01 number 15-25 dated June 19, 2015. The MIL is on. DTC P20E800 (Reductant pressure too low) is stored in the engine control module. No relevant component or electrical problems are found when Guided Fault Finding (GFF) is run on the stored fault codes. Hardware and software update is needed. |
| A011525 2040962- | 2017-10-25. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. The MIL is on. DTC P20E800 is stored in the ECM. No relevant component or electrical problems are found when Guided Fault Finding (GFF) is run on the stored fault codes. Software update is needed. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.