Service bulletins for the 2013 Audi A4 allroad
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.
893 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Ignition are shown. Show all
| Dealer Letter-Up | 2017-10-31. 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. |
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| 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-46-12-26 | 2012-12-06. Service bulletin. ELECTRICAL SYSTEM:IGNITION; PARKING BRAKE. AUDI: INSTRUMENT PANEL ILLUMINATED WITH ELECTRIC PARKING BRAKE (EPB) WARNING BUT TURNED OFF WHEN IGNITION HAD CYCLED AND ADAPTIVE CRUISE CONTROL (ACC) INOPERATIVE, BUT RESUME AFTER IGNITION HAD CYCLED. MODELS 2011-2013 A4/S4, A5/S5, A5 CABRIOLET, A6, A7, A8 AND Q5. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.