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Pinpoint Test A : The Pcm (Powertrain Control Module) Does Not Respond To The Diagnostic Scan Tool: Notes

WARNING: This page is about a different car, the 2018 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The PCM communicates with the diagnostic scan tool through the HS-CAN. An IDS session cannot be established if the PCM communication fails when attempting to identify the vehicle.

Possible Sources 

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