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Service bulletins for the 2001 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.

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

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Bulletins, newest first
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-08-032008-07-28. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. AUDI SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ENGINE COOLANT TEMPERATURE SENSOR WARRANTY EXTENSION FOR CERTAIN 2001-2004 AUDI MODEL YEAR VEHICLES. CSC WAS RECEIVED *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
AWA-08-042008-07-09. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE COOLANT TEMPERATURE SENSOR WARRANTY EXTENSION FOR CERTAIN 2001-2004 MODEL YEAR AUDI 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
090120062007-01-16. Service bulletin. ELECTRICAL SYSTEM:IGNITION. IGNITION COILS MAY FAIL CAUSING A ROUGH IDLE OR REDUCED DRIVING POWER COULD OCCUR. *KB
04022005-12-19. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAKS FROM UPPER ENGINE AREAS, DIAGNOSTIC GUIDELINES. *TT
04012004-08-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. OIL LEAK IN AREA OF TURBOCHARGER. *MJ
9001012002-02-05. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. SUBJECT REGARDING INSTRUMENT CLUSTER, WHISTLING/BUZZING NOISE. *JG
4801012001-07-03. Service bulletin. ELECTRICAL SYSTEM. SUBJECT REGARDING REPLACEMENT OF COIL CONNECTOR WITH SLIP RING (SPRIAL SPRING), REMOVING ADDITONAL WIRING. *TT
00032001-04-12. Service bulletin. STRUCTURE. INFORMATION ON REMOVING THE REAR LID SPOILER. *TT
00092001-03-09. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). A CONDITION MAY EXIST WHERE THE NAVIGATION SYSTEM INSTRUCTS THE DRIVER TO TURN APPOX. TWO HUNDRED FEET BEFORE OR AFTER THE DESIGNATED INTERSECTION. *TT
00062001-03-09. Service bulletin. UNKNOWN OR OTHER. A CONDITION MAY EXIST WHERE THE MALFUNCTION INDICATOR LAMP (MIL) IS ON WITH DIAGNOSTIC TROUBLE CODE (DTC) P04`` SECONDARY AIR SYSTEM INCORRECT FLOW DETECTED STORED IN DTC MEMORY. *TT
1711002001-02-01. Service bulletin. TIRES. THIS SAMPLE LETTER PROVIDES INFORMATION ON THE SPECIALLY DESIGNED LOW ASPECT RATIO, ULTRA HIGH PERFORMANCE TIRES. *TT
1511002001-02-01. Service bulletin. TIRES. THIS LETTER ADDRESSES DEFECT ALLEGATIONS MADE IN THE SEPTEMBER 25TH ISSUE OF BUSINESS WEEK WITH RESPECT TO THE BRIDGESTONE RE040 LOW ASPECT RATIO, ULTRA HIGH PERFORMANCE TIRES. *TT
AWA00112001-02-01. Service bulletin. TIRES. SUBJECT REGARDING AUDI OF AMERICA, INC. CUSTOMER SATISFACTION PROGRAM FOR CERTAIN VEHICLES EQUIPPED WITH 225 / 45R17 / 91Y LOW ASPECT RATIO, ULTRA HIGH PERFORMANCE TIRES. *TT
AWA00112001-02-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. SUBJECT REGARDING AFTERMARKET INSTALLATION OF ESP (ELECTRONIC STABILIZATION PROGRAM). *TT
00052001-02-01. Service bulletin. UNKNOWN OR OTHER. A CONDITION MAY EXIST WITH THE MALFUNCTION INDICATOR LIGHT ON WITH DIAGNOSTIC TROUBLE CODE P0411 SECONDARY AIR SYSTEM INCORRECT FLOW DETECTED STORED IN MEMORY. *TT
00072001-02-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT REGARDING CD CHANGER INSTALLATION INSTRUCTIONS. *TT
00082001-02-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT REGARDING COMPACT DISC CHANGER INSTALLATION INSTRUCTIONS. *TT
00012000-05-08. Service bulletin. EQUIPMENT:ELECTRICAL. INFORMATION CONTAINING CELLULAR TELEPHONE INSTALLATION INSTRUCTIONS FOR MODEL YEAR VEHICLES. *TT

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