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

Subaru Legacy BN/BS (2015-2019) Service Manual / Blind spot detection rear cross traffic alert (diagnostics) / List of diagnostic trouble code (dtc) list

DTC	Item	Reference
B2300	REAR RADAR CIRCUIT LOW	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2300 REAR RADAR CIRCUIT LOW
B2301	REAR RADAR CIRCUIT HIGH	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2301 REAR RADAR CIRCUIT HIGH
B2304	REAR RADAR ON-OFF SWITCH STUCK	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2304 REAR RADAR ON-OFF SWITCH STUCK NOTE: Only radar sensor LH (master) is detected.
B2311	REAR RADAR DETECT TCM	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2311 REAR RADAR DETECT TCM
B2313	REAR RADAR DETECT VDC	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2313 REAR RADAR DETECT VDC
B2327	REAR RADAR INTERNAL FAILURE (INTERNAL ELECTRIC CIRCUIT)	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2327 REAR RADAR INTERNAL FAILURE (INTERNAL ELECTRIC CIRCUIT)
B2329	REAR RADAR AXIS ALIGNMENT INCOMPLETE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2329 REAR RADAR AXIS ALIGNMENT INCOMPLETE
B2350	REAR RADAR COMMUNICATION ERROR BETWEEN MASTER AND SLAVE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC B2350 REAR RADAR COMMUNICATION ERROR BETWEEN MASTER AND SLAVE
U0073	CAN FAILURE, BUS ‘OFF’ DETECTION	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF
U0101	LOST COMMUNICATION WITH TCM	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0101 LOST COMMUNICATION WITH TCM
U0122	LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE
U0140	LOST COMMUNICATION WITH BODY CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE
U0155	LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE
U0402	INVALID DATA RECEIVED FROM TCM	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0402 INVALID DATA RECEIVED FROM TCM
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
U0422	INVALID DATA RECEIVED FROM BODY CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE
U0423	INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE	Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE

List of cancel code list

CodeItemContents of diagnosisB2320REAR RADAR LOW VOLTAGE (LESS THAN 9 V)Temporarily stops because the voltage supplied to radar drops to or below 9 V. Returns to normal when the voltage becomes normal ...

Read cancel code 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:

Removal
1. Fully open the front hood. NOTE2. Remove the V-belt covers.3. Remove the clip (A), and loosen the clamps (B) and (C) securing the air intake boot.4. Remove the air intake boot from the air cleaner case (rear) and throttle body, and move it to the left side wheel apron.5. Lift up the vehicle.6. R ...

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