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Service bulletins for the 2003 Audi TT

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.

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

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Bulletins, newest first
15-D-4-JZ2008-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. AUDI: THE INTERNAL ENGINE DAMAGE RESULTING FROM A BROKEN TIMING BELT. IF THE TIMING BELT OF VEHICLE WERE TO BREAK, THE ENGINE WILL NOT RUN AND MAY SUSTAIN SERIOUS INTERNAL DAMAGE. *PE
1015082008-10-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. AUDI SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CSC LETTER WAS RECEIVED FOR AUDI MODEL YEARS 2000-2003 A4 AND TT. REVISED MAINTENANCE INSTRUCTIONS AND A WARRANTY EXTENSION COVERING CERTAIN TIMING BELT TENSIONER SYSTEM RELATED REPAIRS. *PE
AWA-08-052008-09-30. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. AUDI: LIMITED NEW VEHICLE WARRANTY FOR ORIGINAL EQUIPMENT MANUFACTURER INSTRUMENT CLUSTERS FOR 2000-2005 MODEL YEAR TT VEHICLES UP TO AND INCLUDING VIN TRU_8N_51017389 IS EXTENDED TO SIX (6) YEARS FROM THE VEHICLE'S ORIGINAL IN SERVICE DATE, REGARDLESS OF MILEAGE. WARRANTY IS PART OF THE SETTLEMENT OF A CLASS ACTION LAWSUIT AND APPLIES TO THESE VEHICLES REGARDLESS OF TRANSFER OF OWNERSHIP. *PE
2012749-22008-09-03. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:CONCEALMENT DEVICES; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:BACK UP LIGHTS; EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:BRAKE LIGHTS. EXTERIOR LIGHTS, MOSITURE ACCUMULATION. *PE
AWA-08-052008-07-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. LIMITED WARRANTY EXTENSION ON ORIGINAL INSTRUMENT CLUSTERS FOR 2000-2005 AUDI TT VEHICLES. *PE
200365822007-07-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOSES POWER OR WILL NOT MOVE AFTER STOP. *KB
200562432007-07-06. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. HEADLIGHT AIMING, USING HELLA UNIVERSAL BEAMSETTER. *KB
04022005-12-19. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAKS FROM UPPER ENGINE AREAS, DIAGNOSTIC GUIDELINES. *TT
05012005-05-19. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. FUEL INJECTORS, UNNECESSARY REPLACEMENT. UPDATE. *TT
2405012005-03-15. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. FUEL INJECTORS, UNNECESSARY REPLACEMENT. *TT
04072004-10-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. AFTER COLD START THE ENGINE RUNS ROUGH. VEHICLE MAY STUMBLE ON INITIAL ACCELERATION. ENGINE MAY STALL AT IDLE WHEN TRANSMISSION IS SHIFTED FROM NEUTRAL/PARK TO DRIVE OR REVERSE. UPDATE PROGRAMMING (FLASHING) ENGINE CONTROL MODULE (ECM) TO CORRECT COLD START ENGINE STUMBLE. *TT
04012004-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. OIL LEAK IN AREA OF TURBOCHARGER. *MJ
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.