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Service bulletins for the 2002 Audi A4

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.

149 on file from NHTSA, as of 2026-10-19.

About P1112 on the 2002 Audi A4: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P1112 are shown. Show all

Bulletins, newest first
02072003-03-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSIS OF DRIVEABILITY COMPLAINTS SUCH AS ROUGH IDLING, HESITATION, LACK OF POWER AND MULTIPLE MISFIRES OR DIAGNOSTIC TROUBLE CODES P0103, P1111, P1112, P1128, P1130, P1144, P1145, P1146, P1147, P1148 OR P1557 ON TURBO CHARGED ENGINES. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.