Subaru Legacy BN/BS (2015-2019) Service Manual: List of diagnostic trouble code (dtc) list

Subaru Legacy BN/BS (2015-2019) Service Manual / Auto headlight beam leveler system (diagnostics) / List of diagnostic trouble code (dtc) list

DTC	Item	Reference
U0074	CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF
U0122	LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
U0416	INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE
U1140	LOST COMMUNICATION WITH BODY CONTROL MODULE BODY-CAN	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1140 LOST COMMUNICATION WITH BODY CONTROL MODULE BODY-CAN
U1422	INVALID DATA RECEIVED FROM BODY CONTROL MODULE BODY-CAN	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U1422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE BODY-CAN
B2900	AHL CONTROL	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2900 AHL CONTROL
B2902	REAR HEIGHT SENSOR CIRCUIT	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2902 REAR HEIGHT SENSOR CIRCUIT

Inspection mode procedure

1. Turn the ignition switch to ON.2. Turn on the headlight low beam.3. Check that the beam axes move when the vehicle condition is kept for three seconds or more after the vehicle posture is changed w ...

Read diagnostic trouble code (dtc) operation

1. On «Start» display, select «Diagnosis».2. On «Vehicle selection» display, input the target vehicle information and select «Confirmed».3. On «Main Menu» display, select «Each System».4. ...

Other materials:

Disassembly
NOTE:When replacing the coupling sleeve and synchronizer hub, replace them as a set. Because these must engage at the specified point, avoid disassembly as much as possible. If it is necessary to disassemble, mark the engaging points on the splines beforehand.1. Put vinyl tape around the main shaft ...