× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: Gm warranty
Posted to Technical Discussion Forum on 4/4/2024

There are no GM TSB's for P0401 other than Power Smoke leak testing the induction/exhaust system for leaks (also for numerous other DTC's).

I have access to GM VIN specific warranty history, warranty info/labor op codes info & I can tell you that the EGR val... Login to read more.