Coolant temperature high warning
light
AT OIL TEMP warning light
(CVT models)
If the coolant temperature high warning light and/or the AT OILTEMP warning light illuminates, immediately turn off the air conditioner and stop the vehicle in the nearest safe location. For further instructions and additional information, refer to the following sections.
"AT OIL TEMP warning light (CVT models)" F3-19
Driving with a trailer
Parking on a gradeWindshield washer fluid
When the windshield washer fluid level in your Subaru Ascent becomes low, the
dedicated warning indicator will illuminate on the instrument panel. This alert
signals that the washer fluid reservoir requires immediate attention to maintain
clear visibility while driving.
As soon as this wa ...
Type B
1. Turn the airflow mode selection dial
and fan speed control dial to the "AUTO"
position.
2. Set the preferred temperature using
the temperature control dial.
NOTE
Each function can be individually
set to the AUTO mode independently of
the other functions. Any function set to
the A ...
Dtc u0401 invalid data received from ecm/pcm a
LAN SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”DTC DETECTING CONDITION:Defective data from ECM.TROUBLE SYMPTOM:Defective data on CAN communication occurs.STEPCHECKYESNO1.CHECK PERFORMING OF BASIC DIAGNO ...