Question about Chevrolet Uplander
Got service anti theft system displayed car has intermittent issue will not start when key is turned to on no lights on dash! play around with wires and drives side door lock switch car starts and runs fine, once running and driving dash lights flashed on then all off and came back on ran scan with reader U1300 class 2 communication short to ground, u1300 Data link low, U1301 Data link high
If any aftermarket devices were installed and used these wires for power or ground can cause these issue.these wires are the main communication center for the whole car very hard to repair without specialty tools Dealer repair.
Posted on May 07, 2014
Testimonial: "Thanks for the Info! What specialty tools do they have to check comm issues!"
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Posted on Jan 02, 2017
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