Subaru Crosstrek Service Manual: Dtc b2903 vdc data error
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC B2903 VDC DATA ERROR
DTC DETECTING CONDITION:
Detected when data (vehicle speed signal) from VDC CM is abnormal.
TROUBLE SYMPTOM:
The auto headlight beam leveler does not operate.
NOTE:
Perform the diagnosis for VDC. Basic Diagnostic Procedure > PROCEDURE">
Dtc u0122 lost communication with vehicle dynamics control module
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULEDetected when CAN data (ve ...
Dtc u0140 lost communication with body control module
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULEDetected when CAN data (headlights ON ...
Other materials:
System block diagram
Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Control Module I/O SignalSYSTEM BLOCK DIAGRAM• Blind Spot Detection/Rear Cross Traffic Alert system consists of the following.• There is a control ECM in the radar sensor main body, which performs the vehicle identification ...
Inspection
SECURITY AND LOCKS > ReceiverINSPECTION1. Check if the door lock operates when the touch sensor of the door outer handle and rear lock button is operated.2. If the system does not operate normally as the result of inspection, refer to “General Diagnostic Table” of the “KEYLESS A ...
Inspection
SECURITY AND LOCKS > Security SystemINSPECTION1. BASIC DIAGNOSTIC PROCEDURESTEPCHECKYESNO1.INITIAL CHECK.Check the keyless entry system or keyless access system operation.Does the keyless entry system or keyless access system operate normally? Security System > INSPECTION">Go to Step 2 ...
