Pinpoint Test L : DTC: U0140: Notes

2016 Lincoln MKZ Base, 2.0L Eng VIN 9, AWDSECTION Notes

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The DSM and the BCM communicate using the MS-CAN.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0140 Lost Communication With Body Control Module (GEM) Set by the DSM whenever it has lost communication to the BCM for 15 seconds or longer as long as the module voltage is between 10 and 15 volts.

Possible Sources 

  • Module communication
  • DSM
  • BCM
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.