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Normal Operation and Fault Conditions

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

The OCSM and RCM and BECMB use information contained in messages from the PCM sent on the HS-CAN. 

PPT AH BECMB DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0100:87 Lost Communication with ECM/PCM "A": No Sub Type Information This DTC sets if the BECMB does not receive an expected message from the PCM.
PPT AH OCSM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0100:00 Lost Communication with ECM/PCM "A": No Sub Type Information This DTC sets if the OCSM does not receive an expected message from the PCM.
PPT AH RCM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0100:00 Lost Communication with ECM/PCM "A": No Sub Type Information This DTC sets if the RCM does not receive an expected message from the PCM.
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