Service bulletins for the 2013 Audi A4 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.
893 on file from NHTSA, as of 2026-10-19.
About P0304 on the 2013 Audi A4 allroad: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: P0304 are shown. Show all
| A011373 2033223- | 2017-11-17. Service bulletin. ENGINE AND ENGINE COOLING. The engine warning light is on after engine replacement. The engine is not running roughly. However, the engine control module, J623 (01), is storing one or more of the following engine misfire fault codes: DTCs P0300 - P0304. The fault codes occur at light load, between 8% and 14% accelerator pedal position. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once. |
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| A011329 2033223- | 2017-10-31. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 01 number 13-73 dated March 7, 2013. The engine warning light is on after engine replacement. The engine is not running roughly. However, the engine control module, J623 (01), is storing one or more of the following engine misfire fault codes: DTCs P0300 - P0304. The fault codes occur at light load, between 8% and 14% accelerator pedal position. The programmed values for the misfiring recognition are not automatically reset by deleting the memory once. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.