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Service bulletins for the 2012 Audi A5

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.

1064 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Ignition are shown. Show all

Bulletins, newest first
Update28G62024-02-12. Service bulletin. ELECTRICAL SYSTEM:IGNITION. Ignition Coils
28G6UPDATE2023-10-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION. Ignition Coils (NVLW)
A5723082027406_52023-07-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. This bulletin provides information regarding the Audi advanced key.
A9623822056019_22023-03-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. This bulletin provides instructions for when the anti-theft alarm has gone off for no reason, or did not go off at all. No DTCs are stored.
Edition832023-02-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION. 97 no start
011386203363012022-10-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. Because there are a number of different misfire faults (unrelated to ignition coil operation) that could cause the MIL to illuminate, proper Guided Fault Finding (GFF) misfire diagnosis must be followed before any ignition coils are replaced.
28 13 21 20175552022-05-31. Service bulletin. ENGINE; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Key does not stay or engage in ignition lock
37 14 42 20290272022-05-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Customer may report transmission warning light is illuminated. In some cases, the vehicle will not move after being started and placed into gear. After key cycle, the vehicle drives without restriction.
37 14 34 20289852022-05-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Transmission warning may appear in instrument cluster. After ignition cycle, the warning message is no longer present. The fault occurs with ATF temperature below 60o C. Check for this temperature range in the extended environmental conditions of the diagnosis protocol. This TSB only applies if the ATF level is correct and there are no leaks.
37 14 23 20284722022-05-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION:SWITCH; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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. On vehicles with Audi advanced key, the vehicle cannot be locked by remote control after the engine has been switched off.The Park position of the gear shifter is sporadically not recognized, which causes the ignition key to not be cleared and prevents the vehicle from being locked.
Technical Servic2021-12-27. Service bulletin. ELECTRICAL SYSTEM:IGNITION:COIL. Update Bulletin
Dealer Letter-Up2017-10-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE. This communication is to inform you of upcoming Update 28G6. There are 79,232 Audi vehicles affected in the U.S. by this Update. Rough idle or reduced driving power and, in turn, an illuminated Malfunction Indicator Lamp (MIL) on the instrument cluster due to the presence of specific fault codes caused by this component. Inspect and replace ignition coils as required.
A901342 2035902-2017-10-31. Service bulletin. ELECTRICAL SYSTEM:IGNITION. "Ignition lock faulty" message is displayed in the driver information display with the symbol shown at right. DTCs are stored in the comfort system central control unit. The "ignition lock faulty" message can be triggered by many different DTC entries. Presence of the message does not indicate that the ignition switch is faulty; the message typically has a different root cause. Replacing the ignition switch before completing GFF test plans typically does not correct the condition.
TSB-37-12-382012-04-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT; ELECTRICAL SYSTEM:IGNITION. AUDI: VEHICLE HAVE ISSUES WITH IGNITION KEY CAN NOT BE REMOVED FROM IGNITION; VEHICLE IN PARK POSITION BUT UNABLE TO MOVE SHIFTER; ENGINE SWITCHED OFF BUT REMOTE CONTROL CAN NOT LOCK WITH ADVANCED KEY; PARK IS NOT RECOGNIZED ELECTRICALLY. *PE

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