2015 Audi A4 Recalls
No NHTSA recalls on record for the 2015 Audi A4. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 23 complaints with NHTSA, most often about the engine. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“The contact owns a 2015 audi a4. The contact stated that when the vehicle was started, the coolant warning light illuminated. The vehicle was turned off and restarted after 20 minutes, and the coolant warning light was no longer illuminated. The vehicle was not diagnosed or repaired. The…”
“Spark plug for damaged due to oil seeping into it. This could lead to overheating of engine or cylinders getting damaged potentially leading to vehicle malfunction when I drive. Audi inspected the part and recommended to reseal the top of the engine. There was a warning for check engine which led…”
“Spark plug for damaged due to oil seeping into it. This could lead to overheating of engine or cylinders getting damaged potentially leading to vehicle malfunction when I drive. Audi inspected the part and recommended to reseal the top of the engine. There was a warning for check engine which led…”
“No 3 cylinder piston ring failure .loss of compression.”
“Piston ring defect and blew from over oil consumption. All years from audi a4 2012-2019 recall law suit but they did not include 2015 which all years and models have same piston ring manufacturer defect it blew on me while I was driving home . Lucky I was in neighborhood and not on highway very…”
“Mmi system worked during test drive and then not worked after final sale: safety systems included: the multi media interface (mmi) system is an in-car user interface media system developed by audi, and was launched at the 2001 frankfurt motor show. Mmi operates a large number of in car…”
“Mmi system worked during test drive and then not worked after final sale: safety systems included: the multi media interface (mmi) system is an in-car user interface media system developed by audi, and was launched at the 2001 frankfurt motor show. Mmi operates a large number of in car…”
“Mmi system worked during test drive and then not worked after final sale: safety systems included: the multi media interface (mmi) system is an in-car user interface media system developed by audi, and was launched at the 2001 frankfurt motor show. Mmi operates a large number of in car…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2015 Audi A4 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.