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There is either a fuse blown (this happens all the time), or someone intentionally cut the power line to the connector.

Sometimes the fuse for the OBD connector is linked to a circuit for another fuse, like the cig lighter for instance.

One of the connections is for power...use a multimeter to check for voltage at any one of the connectors to rule out a bad ODB scan tool.

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11y ago
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Q: Can not get scan tool to communicate with pcm on my 2000 f 250 7.3?
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