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Mason04
05/17/2009, 9:37PM
About: Chevrolet Silverado 2500HD
Communication Failure
When I hook up a computer to my truck to figure out some problems all the computer tells me to is to make sure the ignition key is on. I turn the key on and I still get the same reading from the computer. Anybody know what might be the problem so I can get a diagnostic reading??
Michael14285
05/17/2009, 9:50PM
Go to your basics - There needs to be power at the OBD2 connector for the scanner to negotiate with the
on board computer system - Check fuses.
If all are good check pin 16 for power and 4/5 for ground.
If all checks out your scnner connection might be corroded or not connecting properly to the connector on the vehicle.
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