× 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: 86 Jetta P0121
Posted to Technical Tips Forum on 3/21/2000 2 Replies

[...trimmed text...]

You won't like this much, but look at the fuses. If the fuse that sets the 5 volt ref. to the map is loose or blown will set the code. If any conslation it kicked my but the first time. Audio shops pu... Login to read more.

2 Replies Received (View Replies)