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Pinpoint Test J : DTC U0102: Notes

Refer to Wiring Diagram Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The GSM uses information contained in messages from the TCCM sent on the HS-CAN.

NOTE: If a GSM self-test is performed, make sure the drivers door is closed and locked.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0102 Lost Communication with Transfer Case Control Module This DTC sets if the GSM does not receive some or all of an expected message from the TCCM.

Possible Sources 

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