Subaru Crosstrek Service Manual: 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 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 error
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B2903 VDC DATA ERRORDTC DETECTING CONDITION:Detected when data (vehicle speed signal) f ...
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Dtc c0045 incorrect vdc control module specifications
VEHICLE DYNAMICS CONTROL (VDC) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC C0045 INCORRECT VDC CONTROL MODULE SPECIFICATIONSDTC detecting condition:Different control module specificationTrouble symptom:• ABS does not operate.• VDC does not operate.• ...
Precautions against vehicle modification
WARNING
To maintain the full safety performance of the Subaru Ascent SRS airbag
system, no modifications should be made to any related components, wiring, or
structural elements. Unauthorized changes may lead to accidental airbag deployment
or system failure, significantly increasing th ...
Dtc b1434 evaporator temperature sensor circuit open
HVAC SYSTEM (AUTO A/C) (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B1434 EVAPORATOR TEMPERATURE SENSOR CIRCUIT OPENDTC detecting condition:Evaporator sensor circuit is open.Trouble symptom:Evaporator temperature is falsely recognized as low, and the compartment temp ...
