There are 3 owner-reported engine complaints for the 2012 Volkswagen Touaregin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2012 Volkswagen Touareg. The contact stated while driving at an undisclosed speed, he smelled an oil odor and smoke odor in the interior of the vehicle. After a visual inspection, the contact observed oil leaking from underneath the engine compartment. No warning lights were illuminated. The vehicle was taken to the dealer, who determined the diesel particulate filter needed to be replaced but was unable to locate the part. The vehicle was not repaired. The manufacturer was notified of the failure, and a case was opened. The failure mileage was 124,000.
THE CATALYTIC CONVERTER COMPLETELY SEPARATED FROM ITS OWN FLANGE WHERE IT CONNECTS TO THE EXHAUST HEADER. ULTIMATELY CAUSING AN EXHAUST LEAK AND A CHECK ENGINE LIGHT. THIS OCCURRED WHILE DRIVING AND UNDER NORMAL OPERATING CONDITIONS. DRIVING ON A LOCAL HIGHWAY WITH A SPEED LIMIT OF 55 MPH, WHICH DOES NOT HAVE EXCESSIVE AMOUNT OF POT HOLES) .
CHECK ENGINE LIGHT CAME ON AT 70,000 MILES AND WAS DUE TO THE AD BLUE TANK HEATER.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026