× 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
2001 Ford F-350 Super Duty Lariat 7.3L 4X4 Inop
Posted to Ford PowerTrain on 2/22/2011 3 Replies

Hey all. I have a 4x4 that does not work. It has c1728 code. I have replaced the switch, because it tested bad. I checked the vacuum to the front end, it holds. The vacuum switch tested fine. I can command the gem module to turn on the light for the 4x4 system...

3 Replies Received (View Replies)

  Related Documents & Media  2001 Ford F-350 Super Duty Lariat

 
Message Closed w/FIX

car Vehicle Data

2001 Ford F-350 Super Duty Lariat

VIN 1FTSW31F41
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Affected4X4 Inop
Conditions4X4 Inop.
Message Closed w/FIX

car Vehicle Data

2001 Ford F-350 Super Duty Lariat

VIN 1FTSW31F41
Engine7.3 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
Affected4X4 Inop
Conditions4X4 Inop.