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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 1148 (RCM Guided Routine Testing -- (2 Of 4)) >> Pinpoint Tests >> Pinpoint Test AI: Lost Communication with BCM >> Normal Operation and Fault Conditions

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 RCM and BECMB uses information contained in messages from the BCM sent on the HS-CAN2. 

PPT AI BECMB DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0140:87 Lost Communication with Body Control Module: No Sub Type Information This DTC sets if the BECMB does not receive an expected message from the BCM.
PPT AI RCM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0140:00 Lost Communication with Body Control Module: No Sub Type Information This DTC sets if the RCM does not receive an expected message from the BCM.
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