Subaru Legacy BN/BS (2015-2019) Service Manual: Dtc c2541 vehicle dynamics control module vehicle speed sensor

Subaru Legacy BN/BS (2015-2019) Service Manual / Power assisted system (power steering) (diagnostics) / Diagnostic procedure with diagnostic trouble code (dtc) / Dtc c2541 vehicle dynamics control module vehicle speed sensor

DTC DETECTING CONDITION:

When VDCCM reception failure (related to vehicle speed sensor) is detected after the ignition switch is ON.

TROUBLE SYMPTOM:

The steering wheel operation feels heavy.

STEP	CHECK	YES	NO
1.CHECK DTC. Read the DTC of VDC system using the Subaru Select Monitor.	Is a DTC related to VDC system or vehicle speed signal system detected-	Perform the diagnosis according to the DTC. List of Diagnostic Trouble Code (DTC)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR
2.CHECK LAN SYSTEM. Perform the diagnosis for LAN system using the Subaru Select Monitor. Basic Diagnostic Procedure	Is a DTC related to CAN communication detected-	Perform the diagnosis according to the DTC. List of Diagnostic Trouble Code (DTC)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC C2541 VEHICLE DYNAMICS CONTROL MODULE VEHICLE SPEED SENSOR
3.CHECK VEHICLE SPEED SIGNAL. 1) Display the current data «Vehicle Speed» of the power steering control module using the Subaru Select Monitor. 2) Lift up the vehicle (so that the wheels turn freely), start the engine, and raise engine speed in gear. CAUTION: Be careful that no one is near the spinning tires and nothing gets caught in them. 3) Check for whether the data changes according to vehicle speed.	Is the data in sync with the vehicle speed-	It is possible that temporary poor communication occurs. Perform the Clear Memory Mode. Clear Memory Mode	Replace the steering gearbox. Electric Power Steering Gearbox

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Other materials:

System block diagram
• BSD/RCTA system is configured by the following components.• There is a control ECM in the radar sensor main body, which performs the vehicle identification and the alert judgment control.• The LH/RH radar sensors are identified as Master/Slave for control purposes. They are conne ...