× 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: P1421 & P1422
Posted to HD/Fleet Forum on 4/15/2025

Have you figured this one out? i am having the same issue. Login to read more.