Subaru Crosstrek Service Manual: List of diagnostic trouble code (dtc) List
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > List of Diagnostic Trouble Code (DTC)
LIST
DTC | Item | Content of diagnosis | Reference |
U0073 | CONTROL MODULE COMMUNICATION BUS OFF | Detected when CAN line abnormality is detected. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF"> |
U0122 | LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE | Detected when CAN data from VDC (vehicle speed signal) does not arrive. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE"> |
U0140 | LOST COMMUNICATION WITH BODY CONTROL MODULE | Detected when CAN data from body integrated unit (headlight ON signal) does not arrive. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE"> |
B2900 | AHL CONTROL | Detected when an error occurred in auto headlight beam leveler CM. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2900 AHL CONTROL"> |
B2902 | REAR HEIGHT SENSOR CIRCUIT | Detected when an error occurred in rear vehicle height sensor. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2902 REAR HEIGHT SENSOR CIRCUIT"> |
B2903 | VDC DATA ERROR | Detected when data from VDC (vehicle speed signal) is abnormal. | Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2903 VDC DATA ERROR"> |
Electrical component location Location
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Electrical Component LocationLOCATION(1)Headlight ASSY– Headlight beam leveler actuator(4)Headlight relay (Hi)(7)Combination meter(2)Rear vehic ...
Read diagnostic trouble code (dtc) Operation
AUTO HEADLIGHT BEAM LEVELER SYSTEM (DIAGNOSTICS) > Read Diagnostic Trouble Code (DTC)OPERATION1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target veh ...
Other materials:
Dtc u0401 invalid data received from ecm/pcm a
EyeSight (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM “A”Failure counter diagnosis of engine control module (ECM)NOTE:Perform the diagnosis for LAN system. Basic Diagnostic Procedure > PROCEDURE"> ...
Battery drainage reduction function
The Subaru Ascent is equipped with an intelligent battery drainage reduction
system designed to automatically switch off interior lighting under certain conditions,
helping to prevent unnecessary battery discharge and ensuring long-term reliability.
Battery drainage reduction function for vario ...
Replacing bulbs
WARNING
Bulbs may become very hot while
illuminated. Before replacing bulbs,
turn off the lights and wait until the
bulbs cool down. Otherwise, there is
a risk of sustaining a burn injury.
CAUTION
Replace any bulb only with a new
bulb of the specified wattage.
Using a bulb of differe ...
