LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1160 (RCM Guided Routine Testing -- (2 Of 4)) >> Pinpoint Tests >> Pinpoint Test AL: Lost Communication with APIM >> 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 uses information contained in messages from the APIM sent on the HS-CAN2. 

PPT AL RCM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0253:00 Lost Communication with Accessory Protocol Interface Module: No Sub Type Information This DTC sets if the RCM does not receive an expected message from the APIM.
scientia non olet · About LEMON Manuals