HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)
DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”
Detected when there is malfunction in CAN data from the engine control module (ECM).
NOTE:
Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE">
Dtc u0155 lost communication with instrument panel cluster (ipc) control module
Dtc u0402 invalid data received from tcmCombination meter display (color LCD)
WARNING
When operating the combination meter display in your Subaru Ascent, always
remain fully focused on safe driving conditions. Interacting with the display while
the vehicle is moving can significantly reduce your attention to the road. If any
adjustment or operation is required, it is s ...
Manual transmission
The manual transmission is a fully synchromeshed,
5-forward-speed and 1-reverse-
speed transmission.
The shift pattern is shown on the shift
lever knob. When shifting from 5th gear to
reverse gear, first return the shift lever to
the neutral position then shift into reverse
gear.
To ...
Dtc u0122 lost communication with vehicle dynamics control module
POWER ASSISTED SYSTEM (POWER STEERING) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULENOTE:Refer to “LAN SYSTEM” for diagnostic procedure. Basic Diagnostic Procedure"> ...