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">
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WARNING
Never expose the battery in your Subaru Ascent to open flames or sparks.
The battery emits highly flammable gases that can ignite and cause an
explosion if exposed to ignition sources.
Always wear appropriate eye protection when working near the battery
of your Subaru ...
Preparing to drive
Before operating the Subaru Ascent, it is essential to carry out a series of
routine checks and adjustments each day. These simple steps help ensure safety,
reliability, and optimal performance while driving.
1. Inspect all windows, mirrors, and exterior lights of the Subaru Ascent to
confirm ...
Climate control panel, audio panel, instrument panel, console panel, and
switches
Use a soft, damp cloth to clean the climate
control panel, audio equipment, instrument
panel, center console, combination
meter panel, and switches.
CAUTION
Do not use organic solvents such
as paint thinners or fuel, or
strong cleaning agents that contain
those solvents. Doing so
cou ...