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:
Removal
LIGHTING SYSTEM > Hazard SwitchREMOVAL1. Disconnect the ground cable from battery. NOTE">2. Remove the center grille assembly. Air Vent Grille > REMOVAL">3. Release the claws, and remove the switch - hazard from the center grille assembly. ...
Washing
CAUTION
When washing your Subaru Ascent, be aware that the braking system may
become wet. This can temporarily increase stopping distance. To restore normal
braking performance, drive at a safe speed and gently apply the brakes to generate
heat and dry the components.
Avoid washing th ...
Installation
HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Heater DuctINSTALLATIONCAUTION:Before handling the airbag system components, refer to “CAUTION” of “General Description” in “AIRBAG SYSTEM”. General Description > CAUTION">Install each part in the reverse o ...
