Check Engine Light Due to Catalytic Converter Fault on Volkswagen Passat

Submitted by Vehicle Owner · May 29, 2025
Published by RepairPal

Problem overview

Check Engine Light illumination can be related to a catalytic converter fault. Our technicians tell us a re-flash of the ECM may correct the concern. If not, replacement of the catalytic converter may be required.

90 people reported this problem
25 comments
Schedule Repair

Search for another problem

RepairPal Car Genius

Ask our experts about your Volkswagen.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts