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Home >> Lincoln >> 2019 >> MKZ Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission External Controls - 6-Speed Automatic Transmission - 6F50/6F55) >> Diagnosis And Testing >> External Controls >> Pinpoint Tests >> Pinpoint Test J : DTC U0103 >> Notes

Pinpoint Test J : DTC U0103: Notes

WARNING: This page is about a different variant/trim than selected.

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The GSM and TRCM communicate on the High Speed 2 CAN. The PCM is on the High Speed 1 CAN. The GWM passes this information from HS2 CAN to HS1 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
U0103 Lost Communication With Gear Shift Control Module "A" This DTC sets if the PCM lost communication with the GSM.

Possible Sources 

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