× 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: 6.0 powerstroke p0660
Posted to HD/Fleet Forum on 10/5/2005

[...trimmed text...]

Hiya Eric,

The P0620-Generator 1 Control Circuit malfunction. This could be a number of things, I'd check battery voltage first while running, also check to make sure its the proper alternator.

No... Login to read more.