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:
High/low beam change (dimmer)
High beam
Low beam
In the Subaru Ascent, switching between high beam and low beam headlights is
performed using the dimmer control integrated into the turn signal lever. This system
allows the driver to quickly adapt lighting intensity depending on road conditions,
visibility, and ...
Dtc u0420 invalid data received from power steering control module
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0420 INVALID DATA RECEIVED FROM POWER STEERING CONTROL MODULEDTC DETECTING CONDITION:Defective data was transmitted from EPS CM.TROUBLE SYMPTOM:Cooperation control with EPS CM does not operate properly.STEPCHEC ...
Dtc u0402 invalid data received from tcm
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0402 INVALID DATA RECEIVED FROM TCMThis is detected when CAN data from TCM is abnormal.NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
