× 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

P1637 Diagnostic Trouble Code Discussion for November 2008

Generator 'L' Terminal Circuit 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 P1637
Help Request Posted
1998 Jaguar XK8 4.0L MIL Lamp on, Limp Home Mode VIN: SAJGX2245W
P1637: CAN ABS/TCCM token missing. Code P1637 and Code P1797. I've accessed all related modules to check ISO 9141 Protocal lines (yellow wire, and green wire) to and from each module. There are no open circuits or no shorts to ground on any wire in the system. I've also checked continuity on al...
November 05, 2008