Service bulletins for the 2010 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.
912 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
| A461342 2033674- | 2017-11-17. Service bulletin. SERVICE BRAKES. Brakes on vehicles produced before September 3, 2012 (calendar week 36 of 2012), squeak or squeal when used with light to moderate force. |
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| A461345 2033674- | 2017-11-17. Service bulletin. SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 13-42 dated June 11, 2013. Brakes on vehicles produced before September 3, 2012 (calendar week 36 of 2012), squeak or squeal when used with light to moderate force. |
| A461346 2033674- | 2017-11-17. Service bulletin. SERVICE BRAKES, HYDRAULIC. Supersedes Technical Service Bulletin Group 46 number 13-45 dated June 12, 2013. Brakes on vehicles produced before September 3, 2012 (calendar week 36 of 2012), squeak or squeal when used with light to moderate force. |
| A851318 2033426- | 2017-11-17. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Supersedes Technical Service Bulletin Group 85 number 13-15 dated March 29, 2013. The trim panel at the defroster vent on the instrument panel is deformed. The trim panel is composed of a material which expands in a moist condition. The instrument panel restricts this expansion which leads to deformation of the trim. |
| A871342 2020124- | 2017-11-17. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Supersedes Technical Service Bulletin Group 87 number 12-37 dated November 16, 2012. Air conditioning is inoperative. The HVAC blower functions normally. Battery discharged; however, when charged, there is no bus silence when vehicle ignition is off. The A/C pressure/temperature sensor, G395, leaks refrigerant. This causes sensor G395 to show an incorrect or implausible value when reading MVBs. An incorrect signal or a low refrigerant level in the system can cause the air conditioning compressor to deactivate. The LIN cable connecting the vehicle electrical system control module, J519, to sensor G395 is pinched or cut. This affects the A4/S4, A5/S5 Coupe and Cabriolet, and Audi Q5 vehicles. The A6 and A8 are not affected by this type of failure. The pressure sensor G395/G65 sends an incorrect signal that prevents bus silence and the battery is discharged. Sensor G395 is a LIN slave of the vehicle electrical system control module. The vehicle electrical system control module transfers the information provided by the sensor via the comfort data bus to the climate control module, J255. |
| A911387 2024683- | 2017-11-17. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Supersedes Technical Service Bulletin Group 91 number 10-68 dated October 26, 2010. The MMI control knob joystick is loose or has fallen off. Only vehicles with navigation and without MMI touch are affected. |
| A961364 2029384- | 2017-11-17. Service bulletin. ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 96 number 12-32 dated April 27, 2012. The customer is able to program one or more of the Homelink buttons using their garage door remote, but after a few days or weeks, one or more of the programmed Homelink buttons no longer function. The LED on the Homelink button that is no longer functioning now flashes slowly, indicating that no programming is stored. The customer?s transmitter operates at 295Mhz. At the workshop, the Homelink system can be programmed to the workshop garage door successfully. No trouble is found. No DTCs are stored in any control units. The garage door opener control module, J530, was designed with an operational frequency range in which the 295Mhz frequency works correctly during the initial programming of the system. Over time, the transmitting frequency can drift out of range (especially in warmer climates), causing the system to lose its programming. |
| A261215 2026528- | 2017-11-08. Service bulletin. ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 26 number 12-10 dated March 30, 2012. MIL on. DTC P0491 and P0492 (Secondary Air System Insufficient Flow, Bank 1/2) are stored at the same time. Mileage greater than 20,000 miles. |
| A371275 2029808- | 2017-11-08. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Supersedes Technical Service Bulletin Group 37 number 12-53 dated June 11, 2012. Customer may report the vehicle holds second gear intermittently. New software in the Transmission Control Module (J217) addressed the condition. |
| A401227 2024318- | 2017-11-08. Service bulletin. SUSPENSION:FRONT:WHEEL BEARING. Supersedes Technical Service Bulletin Group 40 number 12-26 dated September 26, 2012. Clicking or clacking noise when maneuvering or parking. Normal driving dynamics may cause microscopic movements between the wheel bearing and wheel bearing housing. |
| A571280 2029151- | 2017-11-08. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. Supersedes Technical Service Bulletin Group 57 number 12-65 dated May 14, 2012. The door cannot be opened from outside with the outer door handle, but it can be opened with the inner handle. The complaint is often described as follows: The customer locks the vehicle and checks by pulling the door handle whether the vehicle is locked. When opening the vehicle again, the door cannot be opened. It feels as if the handle is slack. |
| A871234 2024644- | 2017-11-08. Service bulletin. STRUCTURE; EQUIPMENT. Supersedes Technical Service Bulletin Group 87 number 12-31 dated September 5, 2012. Moisture in the driver or front passenger foot well. Due to a faulty and / or incorrectly installed condensation drain hose, condensation from the evaporator could enter the front foot well areas through a gap between the body and the sealing surface of the drain hose. |
| A871237 2020124- | 2017-11-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 87 number 12-32 dated September 5, 2012. Air conditioning is inoperative. The HVAC blower functions normally. Battery discharged; however, when charged, there is no bus silence when vehicle ignition is off. The A/C Pressure/Temperature Sensor G395 leaks refrigerant. This causes Sensor G395 to show an incorrect or implausible value when reading MVBs. An incorrect signal or a low refrigerant level in the system can cause the air conditioning compressor to deactivate. The LIN cable connecting the J519 Central Electrics Control unit to Sensor G395 is pinched or cut. This affects the A4/S4, A5/S5 Coupe and Cabriolet, and Audi Q5 vehicles. The A6 and A8 are not affected by this type of failure. The pressure sensor G395/G65 sends an incorrect signal that prevents bus silence and the battery is discharged. Sensor G395 is a LIN slave of Vehicle Electrical System Control Module J519. Vehicle Electrical System Control Module J519 transfers the information provided by the sensor via the comfort data bus to Climate Control Module J255. |
| A941296 2027773- | 2017-11-08. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS; EQUIPMENT; ELECTRICAL SYSTEM. Supersedes Technical Service Bulletin Group 94 number 12-69 dated March 15, 2012. Part or all of the daytime running lights do not work on vehicles with LED DRLs. For vehicles with halogen DRLs, please reference TSB 2017488, 94 Halogen Daytime running lights do not work. In the past, the daytime running light bulbs were a serviceable part. In this application, the LED strip cannot be replaced, and may have an associated control module. This TSB is for servicing information only. |
| A011256 2031368- | 2017-11-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. MIL on. Engine misfire. Poor performance. Unnecessary High Pressure Fuel Pumps replacement due to Guided Fault Finding test plans not being performed or interrupted when the following DTC?s are present in the engine control module. |
| A171232 2018550- | 2017-11-08. Service bulletin. ENGINE. Supersedes Technical Service Bulletin Group 17 number 12 - 31 dated August 30, 2012. Oil consumption measurement - Repair Authorization (CA). In order to provide effective lubrication and cooling of internal engine components, all internal combustion engines consume a certain amount of engine oil. Oil consumption varies from engine to engine and may change significantly over the life of the engine. Typically engines with specified break-in periods consume more oil during the break-in period, and the oil consumption will stabilize after the break-in period. Refer to the Owner's Manual for specific break-in procedures. Under normal conditions, the rate of oil consumption depends on the quality and viscosity of the oil, the RPM at which the engine is operated, the ambient temperature and road conditions. Additional factors are the amount of oil dilution from water condensation or fuel residue and the oxidation level of the oil. |
| A211210 2031245- | 2017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ELECTRICAL SYSTEM. Mil on, DTC P0299 Negative Pressure Deviation. Turbocharger waste gate flap has play. Under certain driving conditions the linkage for the waste gate actuation can encounter excessive wear which leads to play at the waste gate flap. This leads to boost escaping through a loose flap which sets the DTC P0299 Negative Pressure Deviation. |
| A271214 2031145- | 2017-11-08. Service bulletin. ELECTRICAL 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 high of voltage. As a result, the affected vehicle electronic components go in to high voltage protection and deactivate sensitive displays and indicators to prevent electrical damage. When an over voltage condition occurs the vehicle electronics and alternator are protected, thus there is no need to replace the entire alternator assembly. |
| A271215 2031145- | 2017-11-08. Service bulletin. ELECTRICAL 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. The voltage regulator on the alternator can sporadically fail causing the electrical system to experience too high of voltage. As a result, the affected vehicle electronic components go in to high voltage protection and deactivate sensitive displays and indicators to prevent electrical damage. When an over voltage condition occurs the vehicle electronics and alternator are protected, thus there is no need to replace the entire alternator assembly. |
| A571275 2019733- | 2017-11-08. Service bulletin. STRUCTURE; EQUIPMENT. Supersedes Technical Service Bulletin Group 57 number 11 ? 59 dated October 21, 2011. The outer door seals have become partially detached. Loss of adhesion between the door structure and door seal due to a flaw in the attachment process in production. |
| A571277 2019733- | 2017-11-08. Service bulletin. EQUIPMENT; STRUCTURE. Supersedes Technical Service Bulletin Group 57 number 12 ? 75 dated October 3, 2012. The outer door seals have become partially detached. Loss of adhesion between the door structure and door seal due to a flaw in the attachment process in production. |
| A911262 2024323- | 2017-11-08. Service bulletin. BACK OVER PREVENTION. Supersedes Technical Service Bulletin Group 91 number 10 - 60 dated September 28, 2010. 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. |
| A911263 2021151- | 2017-11-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. 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. When high electricity consumers are switched off and the battery is fully charged, the energy generated by the alternator is sometimes too great for the power system to absorb. This may lead to briefly increased voltage, and the lights mentioned above may briefly flicker. This characteristic is caused by the alternator design and is a normal condition of the vehicle. |
| A941290 2030956- | 2017-11-08. Service bulletin. EXTERIOR LIGHTING. Supersedes Technical Service Bulletin Group 94 number 12 ? 88 dated September 25, 2012. The turn signal indicator lens is inoperative without any damage from outside influence. Cracks have formed in the lens and as a result condensation can be seen behind the lens. The turn signal lens can crack due to the high amount of tension in the side mirror housing. The tension is due to improper installation of the mirror at the factory and is not a defect in the mirror housing. Replacing the mirror housing will not affect this condition. |
| A941292 2012749- | 2017-11-08. Service bulletin. EXTERIOR 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. This open waterprotected ventilation system (needed for pressure compensation) creates different climate zones in the headlight: very warm areas, where the lens is warmed up by the light, and relatively cool areas, where the lens is cooled own by the air flow. Considerable differences in humidity and temperature between the inside and the outside of the headlights, even while driving, can lead to condensation. This is especially true in cold and wet weather, but it can also happen after a car wash, after steam cleaning the engine or the front end, with overnight temperature changes, etc. This phenomenon is more visible on lenses made of clear glass than on lenses with patterns. The moisture does not affect the headlight function (light performance) and does not lead to corrosion or other damage to headlight parts. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.