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Home >> Ford >> 2000 >> Contour SE, 2.0 3, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2450 (Anti-Lock Brake System - Vehicle Dynamic Systems) >> Diagnosis And Testing >> Anti-Lock Control - Non-Hybrid >> Pinpoint Tests >> Pinpoint Test E: DTCs C2777, U0151, U0452 and U1901 >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The stability control system sensors consist of the yaw rate sensor, roll rate sensor, lateral accelerometer and longitudinal accelerometer. The stability/traction control system sensors are contained within the Restraints Control Module (RCM). The RCM  provides the ABS module with the sensor information along a dedicated Controller Area Network (CAN) bus.

The stability control system sensors are not serviceable separately from the RCM  . If a new sensor is needed, a new RCM  must be installed.

DTC FAULT TRIGGER CONDITIONS CHART

DTC Description Fault Trigger Conditions
  • C2777 - Sensor Cluster Bus Failure
  • U0151 - Lost Communication With Restraints Control Module
  • U0452 - Invalid Data Received From Restraints Control Module
  • U1901 - CAN Network No. 2 Communication Bus Fault - Receive Error
 An open or short to power or ground in one of the CAN  bus circuits, a communications concern on the High Speed Controller Area Network (HS-CAN) bus or an internal failure of the sensor can cause one or more of these DTCs to set.

This pinpoint test is intended to diagnose the following: 

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