× 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: Code P0339 on 99 GMC Jimmy again
Posted to Technical Discussion Forum on 1/21/2005 1 Reply

I dont know about your previous post but sounds to me like RFI from somwhere...have ya tried to unplug the alternator?..maybe a glitchy diode? Login to read more.

1 Replies Received (View Replies)