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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1179 (Lane Departure Warning System) >> Diagnosis And Testing >> Lane Departure Warning >> Pinpoint Tests >> Pinpoint Test G : U0131:87 >> Notes

Pinpoint Test G : U0131:87: 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.

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The IPMA communicates with the PSCM through the High Speed Controller Area Network 2 (HS2-CAN).

Possible Sources 

DTC Description Fault Trigger Conditions
U0131:87 Lost Communication With Power Steering Control Module: Missing Message Sets in continuous memory in the IPMA if expected messages from the PSCM are not received for 0.45 second or more.