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
If you are using an implanted pacemaker or defibrillator, maintain a
safe distance of at least 8.7 in (22 cm) from the transmitting antennas installed
in the Subaru Ascent.
The Subaru Ascent keyless access system emits radio waves that may interfere
with the normal operation o ...
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Power saving function
The Subaru Ascent includes an intelligent power-saving feature designed to protect
both the vehicle battery and the access key fob battery by automatically disabling
the keyless access system under certain conditions.
When the Subaru Ascent keyless access system has not been used for two wee ...