Thread: Code scanner
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Old 05-19-2021, 01:19 AM   #3
EVRLET
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Join Date: Aug 2015
Location: Las Vegas NV
Posts: 355
Re: Code scanner

Have you tried the scanner on another vehicle to ensure operability?

If the scanner is good, then it’s the truck.

Since you said the scanner powers up, it has power, just can’t communicate with the PCM.

Try plugging the scanner in and wiggling the wires behind the obd port. Maybe a short.

Also try putting the key in the on position first and then hookup the scanner.

What kind of scanner is it?
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