Subaru Crosstrek manuals

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 ...

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