× 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

P1683 Diagnostic Trouble Code Discussion for May 2007

Powertrain Control Module Internal Malfunction

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1683
Help Request Posted
2002 Chevrolet Silverado 2500 HD 8.1L Misfire, Poor Fuel Economy VIN: 1GCHK29G22
P1683: Control Module Internal Malfunction. Hello all, This is a farm truck and is used HARD and pulling overloaded trailers.We stay on top of routine maintenance when the vehicle is available to come in to shop. This time it has multiple problems;customer complains of no power and bad running;down to 5...
May 30, 2007