Service bulletins for the 2014 Audi RS 5
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.
681 on file from NHTSA, as of 2026-10-19.
About P0420 on the 2014 Audi RS 5: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0420 are shown. Show all
| A0123972072121_1 | 2023-12-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. This bulletin provides information for when the MIL/EPC light is illuminated, DTC P042000 or P043000, Catalyst system, bank 1 or 2 efficiency below thresh hold. |
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| Elsa Newsletter | 2017-10-04. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. TSBs in this newsletters include the MIL on due to DTC P042000 and/or P043000 (Catalyst system Bank 1/2, Efficiency below threshold) being stored in the ECM. New ECM software implemented to correct the condition. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.