my service engine light is on . and i cant get a code reading the device will not power ON when plugged into truck. Is there a specific fuse for it ? or could it be a number of things.?

Asked by Sep 17, 2015 at 08:59 PM about the 2001 GMC Sierra 1500 SL Standard Cab LB

Question type: Maintenance & Repair

1 Answer

46,205

Try the lighter / power port fuse or refer to the owner's manual.

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