2009 Audi A4 CabrioletService bulletins
2009 Audi A4 Cabriolet Technical Service Bulletins
392 technical service bulletins (TSBs) are on record for the 2009 Audi A4 Cabriolet. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10128035Jul 10, 2013Electrical system. Supersedes Technical Service Bulletin Group 91 number 11-29 dated December 20, 2011. The Bluetooth telephone bonding tone is too loud or quiet for the customer. When a telephone is connected to the vehicle via the Bluetooth wireless connection, a tone is played over the audio system. The volume of this tone correlates to the volume level of the phone preparation voice control. This volume level is independent of…
- 10124505Jul 8, 2013Brakes, Electrical system. Customer may report sporadically hearing the parking brake being actuated after the vehicle has been switched off. If the customer does not identify the sound as the sound of the parking brake being actuated, he or she may simply complain of hearing noises from the rear brakes. Ignition is switched off. Steering is locked. Park is selected. Parking brake is not engaged.
- 10124516Jul 2, 2013Visibility (wipers, defrost, mirrors). Supersedes Technical Service Bulletin Group 61 number 12-16 dated July 6, 2012. Convertible top is inoperative. All switches and sensors check OK. Convertible top movement ceases. Convertible top operation has not ceased due to overheat protection. All operating conditions have been met per MVBs 002, 003, and 004 (e.g. windows are initialized, battery voltage is OK, trunk lid is fully closed and latched, etc.)…
- 10243787Jul 1, 2013Equipment. Audi Elsa Newsletter
- 10228314Jun 21, 2013Fuel system. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
- 10224993Jun 21, 2013Fuel system. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
- 10221966Jun 21, 2013Fuel system. The use of contaminated gasoline or gasoline with a low content of deposit control additives may result in one or more conditions.
- 10123591Jun 21, 2013Electrical system, Fuel system. Supersedes Technical Service Bulletin Group 00 number 10-01 dated February 5, 2010. Excessive accumulation of deposits on intake valves, intake manifold, fuel injectors and combustion chambers. Engine runs rough after cold start. Excessive engine cranking time. Hesitations while driving. Rough engine idle. Reduced engine performance. Poor fuel economy.
- 10123587Jun 20, 2013Engine cooling. Supersedes Technical Service Bulletin Group 19 number 13-35 dated March 25, 2013. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.
- 10210650May 29, 2013Brakes. This condition may be caused when the brake pedal and the accelerator pedal are depressed simultaneously. Drivers who consciously or unconsciously drive with their left foot resting on the brake pedal are prone to experience this condition. With the introduction of Electronic Power Control (EPC) (no accelerator cable) to fuel injection systems, an engine RPM control feature has been incorporated into the engine…
- 10228289May 14, 2013Engine cooling. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay.
- 10224968May 14, 2013Engine cooling. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay.
- 10221941May 14, 2013Engine cooling. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay.
- 10124941May 14, 2013Engine. Although the correct amount of oil was added to the engine during an oil change service, a check of the oil level shows that the oil level is not okay. When an unapproved aftermarket speed-filling device is used to add oil to the engine, the increased oil flow rate may force oil into the intake manifold or combustion chamber, creating the potential for engine damage.
- 10210672May 1, 2013Equipment, Other or unknown, Electrical system. The ignition key cannot be removed even though the gear shifter is in Park (P). The vehicle is mechanically in the Park position, but this is not recognized electronically. The gear shifter cannot be moved from the Park position.
- 10251038Apr 2, 2013Brakes. Brakes squeel
- 10123922Apr 2, 2013Brakes. Supersedes Technical Service Bulletin Group 46 number 11-16 dated December 9, 2011. Customer complains of brake squeal.
- 10123901Apr 1, 2013Equipment. Supersedes Technical Service Bulletin Group 00 number 11-19 dated April 8, 2011. This TSB contains information on technician preparation when calling the Audi Technical Assistance Center
- 10123882Mar 25, 2013Engine cooling. Supersedes Technical Service Bulletin Group 19 number 11-19 dated February 10, 2011. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service.
- 10251035Mar 18, 2013Brakes. Brakes make moaning or "muh" noise when accelerating from stop or turning at slow speeds
- 10123871Mar 18, 2013Brakes. Supersedes Technical Service Bulletin Group 47 number 10-01 dated July 15, 2010. Muh? sound or moaning noise coming from the front brakes (FNRG). The performance of the brakes is not compromised. The pistons in the calipers in certain vehicles may not retract far enough, which may leave contact between the rotor and pad. This contact may cause a ?muh? sound or moaning noise in low speed conditions.
- 10251023Feb 18, 2013Suspension. Steering wheel shimmy, vibration and/or oscillation
- 10250475Feb 18, 2013Steering. Steering wheel shimmy, vibration and/or oscillation
- 10123987Feb 18, 2013Suspension. Supersedes Technical Service Bulletin Group 44 number 13-35 dated January 18, 2013. Customer feels vibration from 55 - 80 mph (88 - 128 km/h) in the seat, vehicle floor, footwell, pedals, or steering wheel. This condition does not result in any handling concerns or loss of vehicle control.
- 10123969Feb 14, 2013Engine cooling. Supersedes Technical Service Bulletin Group 01 number 12-57 dated October 29, 2012. Noises/inconsistent engine operation after cold start during the catalyst heating phase. The customer may interpret this engine roughness as misfiring. To comply with the legal requirements on exhaust gas emissions according to the LEV-1 and LEV-2 standards, a high exhaust gas quality must be ensured. The necessary catalyst only…
- 10124000Feb 5, 2013Back-over prevention (rear camera). Supersedes Technical Service Bulletin Group 91 number 12-61 dated October 1, 2012. Parking aid sporadically warns of obstacles when none exist. Parking aid is inoperative or provides constant warning. Various parking aid sensor fitting issues. Environmental conditions.
- 10251018Jan 18, 2013Steering. Steering wheel shimmy, vibration and/or oscillation
- 10212679Jan 15, 2013Wheels, Suspension. Grinding or wheel bearing type noises from front when accelerating or at constant speed
- 10210627Jan 15, 2013Transmission and drivetrain. Customer states constant howling, droning, or scraping noises heard from the front of the vehicle when accelerating lightly. The ball bearing for the left flange shaft spins in the gearbox housing because of a gap between the outer bearing ring and the support bracket. This can result in grinding marks and swarf (Figure 1, Figure 2).
- 10216682Jan 9, 2013Engine cooling. Engine oils that meet Audi Oil Quality Standards.
- 10122674Dec 7, 2012Electrical system, Equipment. The customer may state that the outside ambient temperature display is incorrect. To achieve a smoothening effect of the displayed outside ambient temperature, the value shown does not instantaneously follow the temperature sensor measurement. The display will not change faster than 4° F (2° C) per minute. This concept applies to both falling and rising temperatures.
- 10065364Nov 28, 2012Transmission and drivetrain. Summary to be provided on a future date.
- 10122803Oct 29, 2012Engine cooling. Supersedes Technical Service Bulletin Group 01 number 12-51 dated July 18, 2012. Noises/inconsistent engine operation after cold start during the catalyst heating phase. The customer may interpret this engine roughness as misfiring. To comply with the legal requirements on exhaust gas emissions according to the LEV-1 and LEV-2 standards, a high exhaust gas quality must be ensured. The necessary catalyst only…
- 10122766Oct 24, 2012Exterior lighting. Supersedes Technical Service Bulletin Group 94 number 11-52 dated October 11, 2011. Condensation is visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, or third brake light lens. Damp air settles on the inside of a cold lens, which creates condensation. The headlight circulation system allows air from the outside to flow through the headlights.
- 10122794Oct 23, 2012Electrical system. Supersedes Technical Service Bulletin Group 27 number 12-14 dated October 12, 2012. Complaints are reported by the customer regarding electrical features and functions in the vehicle. One or more warning lights on in cluster. The DIS or other displays in cluster are blank. MMI does not function. Windows do not function. LED indicators in various buttons inside the vehicle do not light up.
- 10122795Oct 12, 2012Electrical system. complaints are reported by the customer regarding electrical features and functions in the vehicle. One or more warning lights on in cluster. The DIS or other displays in cluster are blank. MMI does not function. Windows do not function. LED indicators in various buttons inside the vehicle do not light up. The voltage regulator on the alternator can sporadically fail causing the electrical system to experience too…
- 10122737Oct 5, 2012Transmission and drivetrain, Brakes, Engine cooling, Steering, Visibility…. This document contains the fluid capacty chart.
- 10067592Oct 5, 2012Equipment. Summary to be provided on a future date.
- 10122771Oct 4, 2012Electrical system, Equipment. Supersedes Technical Service Bulletin Group 91 number 11 ? 83 dated April 15, 2011. The customer may report that the illumination of the dash insert, the air conditioning control panel or the inside light flickers when briefly pressing the accelerator in P or N or when shifting down while driving downhill. Only vehicles with PR number 8GH may be affected.
- 10250453Oct 3, 2012Electrical system, Transmission and drivetrain. TCM software update for downshift concerns
- 10122793Oct 3, 2012Transmission and drivetrain, Electrical system. Supersedes Technical Service Bulletin Group 37 number 11 ? 31 dated December 1, 2011. Customer may report downshifts not smooth when slowing the vehicle. Improved software introduced after production that reduces complaints with shifting characteristics. Improved viscosity of ATF lessens clutch grab during clutch activation. Optimized ATF (blue) introduced gradually in production years 2005 and 2006.
- 10063871Oct 3, 2012Electrical system, Transmission and drivetrain. Summary to be provided on a future date.
← All problems reported for the 2009 Audi A4 Cabriolet
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.