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Home >> Ford >> 2021 >> EcoSport SES >> Repair and Diagnosis >> External Pages >> Different car >> Section 472 (Abs Guided Routine) >> Pinpoint Tests >> Pinpoint Tests BH: ABS Module Communication Concern With The RCM >> Normal Operation and Fault Conditions
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Normal Operation and Fault Conditions

WARNING: This page is about a different car, the 2020 Ford EcoSport and 2019 Ford EcoSport. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition ON, the RCM sends messages to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within a certain time frame, the ABS module sets a DTCs. For information on the messages sent to the ABS module by the RCM, refer to the Description and Operation in the Anti-Lock Brake System (ABS) and Stability Control article. 

PPT BH ABS MODULE DTC FAULT TRIGGER CONDITIONS

DTC Description Fault Trigger Conditions
U0151:00 Lost Communication With Restraints Control Module: No Sub Type Information This DTC when the ABS module does not receive any messages from the RCM. This can be due to a PCM failure, a circuit failure on the HS-CAN2 or an excessive load on the network.
U0452:86 Invalid Data Received From Restraints Control Module: Signal Invalid This DTC sets if the information in any of the stability sensors messages (yaw rate, roll rate, lateral acceleration or longitudinal acceleration) contains invalid or out of range data.