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Service bulletins for the 2011 Audi Q7

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.

1054 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
A1922272025303122022-02-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT. This bulletin contains instructions for identifying and mixing factory fill coolants.
2613202026757 22021-12-13. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. An AdBlue message may appear in the instrument cluster either because there is a fault in the
1713462030197 122021-12-13. Service bulletin. ENGINE AND ENGINE COOLING. Upon customer complaint of excessive engine oil consumption.
A0121112033001252021-10-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A1021222018288_92021-06-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. This technical service bulletin reminds the reader to check for metal debris when replacing an engine.
AWA-17-122021-05-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. For Audi 3.0 L TDI Generation 2.1 SUV vehicles repaired by the emissions modification recall, the following warranty extension is applicable. ?Extended Emissions Warranty? Limited Warranty Extension The Limited Warranty Extension is applicable to 3.0L TDI vehicles Generation 2.1 SUV with engine code CNRB.
A1721122060750_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for using the UV additive to find engine oil leaks.
A0120932033001242020-11-05. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A1720112060750_12020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION; EQUIPMENT. This bulletin contains instructions for using the UV additive to find engine oil leaks.
EmailAUTDI2L-3L2020-10-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Reminders - TDI Approved Emissions Modifications, Emissions Compliant Repairs, corrections and extended warranty / warranty policy and loaner vehicle overview
A9020652032113_42020-09-03. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:COOLING SYSTEM. This information bulletin contains a background on the outside air temperature reading.
A0120722033001222020-08-06. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A1720082060259_12020-08-06. Service bulletin. ENGINE. This bulletin contains repair instructions for when DTC P052E00 is stored with noise coming from the engine compartment.
A1920042025303_12020-07-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin contains instructions for identifying and mixing factory fill coolants.
A0120622033001212020-06-04. Service bulletin. ENGINE; EQUIPMENT. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
A0020372059437_12020-06-04. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE:DELIVERY. The informational bulletin explains why during COVID-19 there is winter-blend fuel during a warmer season and causing some issues.
A0120582033001202020-05-07. Service bulletin. ENGINE AND ENGINE COOLING. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.
26M7CircularREV12020-04-02. Service bulletin. ENGINE AND ENGINE COOLING. Under certain high load and/or highway driving conditions vehicle exhaust temperatures may increase catalyst aging, due to thermal stress, which could lead to elevated tailpipe emissions. Added work and claiming instructions in the event muffler flange studs break.
Dealer 26M72020-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Under certain high load and/or highway driving conditions vehicle exhaust temperatures may increase catalyst aging, due to thermal stress, which could lead to elevated tailpipe emissions.
Circular 26M72020-03-06. Service bulletin. ENGINE AND ENGINE COOLING. Under certain high load and/or highway driving conditions vehicle exhaust temperatures may increase catalyst aging, due to thermal stress, which could lead to elevated tailpipe emissions.
Circular26M9REV22020-01-08. Service bulletin. EQUIPMENT; ENGINE. REVISED - Removed the need for particle sensor plug
Circular 26M92019-12-07. Service bulletin. EQUIPMENT; ENGINE. Due to a parts catalog error, incorrect emissions related component(s) may have been installed on some vehicles during a past service repair visit. Dealers will inspect and, if needed, replace the component(s) as a proactive measure to ensure continued emissions compliance.
Dealer 26M92019-12-07. Service bulletin. ENGINE; EQUIPMENT. Due to a parts catalog error, incorrect emissions related component(s) may have been installed on some vehicles during a past service repair visit. Dealers will inspect and, if needed, replace the component(s) as a proactive measure to ensure continued emissions compliance.
Circular26M9REV12019-12-07. Service bulletin. ENGINE; EQUIPMENT. REVISED - Part number for dual clamp corrected in the required parts section and work procedure.
A0119192033001192019-08-07. Service bulletin. ENGINE. This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.

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