No communication, Scan would not turn on using the OBD port?

Tiny
ANDRIN ATEM
  • MEMBER
  • 2006 HUMMER H3
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 12,089 MILES
Scan would not turn on using the OBD port.

I would like to have a network diagram and power and ground for the OBD port.

I checked thinking a fuse was blown, because I don’t have power on the OBD port.

Below image is the VIN number.
Monday, June 23rd, 2025 AT 12:48 AM

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