× 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

P1596 Diagnostic Trouble Code Discussion for May 2007

Speed Control Switch Continuous High Voltage

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 P1596
Help Request Posted
2000 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GW48S4Y
P1596: Speed Control Switch Continuous High Input. the wiring for both circuits has been checked from pcm to tps and s/c switch.the vehicle will run fine until codes set.tps signal voltage at idle will jump from .84 to 3.93 and s/c switch will no longer work.the codes will sometimes set within 5 miles or somet...
May 02, 2007