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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1158 (MULTIFUNCTION Electronic Modules) >> Diagnosis And Testing >> Body Control Module (BCM) >> Pinpoint Tests >> Pinpoint Test A : U0100:87, U0101:87 >> Notes

Pinpoint Test A : U0100:87, U0101:87: Notes

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

Normal Operation and Fault Conditions 

The BCM communicates with the PCM over the High Speed Controller Area Network 1 (HS1-CAN). The TCM is contained inside the PCM and cannot be serviced separately. REFER to: Communications Network - System Operation and Component Description .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0100:87 Lost Communication With ECM/PCM "A": Missing Message A continuous memory DTC that sets in the BCM if powertrain data messages received from the PCM over the High Speed Controller Area Network 1 (HS1-CAN) are missing.
U0101:87 Lost Communication with TCM: Missing Message A continuous memory DTC that sets in the BCM if transmission data messages received from the PCM over the High Speed Controller Area Network 1 (HS1-CAN) are missing.

Possible Sources 

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