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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 AU: Lost Communication with ABS >> 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 supplies the stability/traction control system with the yaw rate, roll rate, lateral and longitudinal accelerometer over a dedicated HS-CAN bus. If the RCM detects a fault with communications with the ABS module or dedicated CAN bus circuits, it sets DTC U0028:08 or U0028:88. 

The RCM does not request the IPC to illuminate the airbag warning indicator if either DTC U0028:08 or U0028:88 is set.

PPT AU RCM DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
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