AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
Detected when CAN data (vehicle speed signal) is not received from VDC.
NOTE:
Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">
Dtc b2903 vdc data errorType D
Temperature control dial (Refer to "Automatic
climate control operation (type B, C
and D)" F4-7 and/or "Temperature control
Defroster button (Refer to "Airflow mode
selection"
Rear window defogger button (Refer to
"Defogger and deicer"
DUAL mode button (Refer to ""DUAL"
mode ( ...
Replacing key battery
The battery inside the access key fob or transmitter of your Subaru Ascent may
gradually lose charge over time. This can become noticeable under several conditions.
The keyless access system of your Subaru Ascent begins to respond inconsistently
or with delays.
The effective operating ran ...
Dtc c2551 power supply relay
POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C2551 POWER SUPPLY RELAYTrouble symptom:• The steering wheel operation feels heavy.• STEERING warning light illuminates.NOTE:If power supply voltage failure exists at the ...