Join Now
International Automotive Technicians Network

U1300 Diagnostic Trouble Code Discussion for September 2004

Class 2 Data Line Short To Ground


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 U1300
Help Request Posted
2001 Saturn SL2 1.9L No Start VIN: 1G8ZK52751
U1300: Class 2 Data Link Circuit Low Input. ... start. when it doesnt start, there is a U1300 code. the archives come up empty. its some kind of data link short . i looked at a wiring diagram and it goes from the pcm, thru the dash, thru a "sensing and diganostic module", then thru the bcm, back...
September 29, 2004
2001 Saturn SL2 1.9L No Start VIN: 1G8ZK52751
U1300: Class 2 Data Link Circuit Low Input. ... start. when it doesnt start, there is a U1300 code. the archives come up empty. its some kind of data link short . i looked at a wiring diagram and it goes from the pcm, thru the dash, thru a "sensing and diganostic module", then thru the bcm, back...
September 29, 2004