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:
Dtc b14a1 sunload sensor circuit low/open
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B14A1 SUNLOAD SENSOR CIRCUIT LOW/OPENDTC detecting condition:Sunload sensor circuit is open. (Displayed for current malfunction)NOTE:When the sunload sensor check is performed indoors or in the shade ...
Brightness adjustment
Setting button: Press the setting button to activate brightness adjustment
mode.
Press this button to decrease the brightness.
Press this button to increase the brightness.
In the Subaru Ascent, the brightness of the Smart Rearview Mirror display can
be precisely adjusted to match ...
Inspection
SECURITY AND LOCKS > Push Button Ignition SwitchINSPECTION1. Check the continuity between push button ignition switch terminals.Preparation tool:Circuit testerTerminal No.Inspection conditionsSpecification4 (COM) — 5 (GND)AlwaysContinuity exists7 (SSW1) — 5 (GND)Push button ignition switch re ...
