Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2015 Subaru Outback 2.5iFACTORY OEM SERVICE PROCEDURE
Rear Vehicle Detection System DTCS
REAR VEHICLE DETECTION SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Item | Description |
|---|---|---|
| B2300 | Radar ASSY B&S Led Short Circuit to Earth | <Ref. to DTC B2300 RADAR ASSY B&S LED SHORT CIRCUIT TO EARTH , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2301 | Radar ASSY B&S Led Open Circuit or Short Circuit to Power Supply | <Ref. to DTC B2301 RADAR ASSY B&S LED OPEN CIRCUIT OR SHORT CIRCUIT TO POWER SUPPLY , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2304 | Radar ASSY B&S On-Off Switch Adhesion | <Ref. to
DTC B2304 RADAR ASSY B&S ON-OFF SWITCH ADHESION
, Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
NOTE:
Only radar sensor LH (master) is detected.
|
| B2311 | Radar ASSY B&S TCM Fail Detection | <Ref. to DTC B2311 RADAR ASSY B&S TCM FAIL DETECTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2313 | Radar ASSY B&S VDC Fail Detection | <Ref. to DTC B2313 RADAR ASSY B&S VDC FAIL DETECTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2327 | Radar ASSY B&S Internal Failure (Internal Electric Circuit) | <Ref. to DTC B2327 RADAR ASSY B&S INTERNAL FAILURE (INTERNAL ELECTRIC CIRCUIT) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2328 | Radar ASSY B&S Internal Failure (Radar Misalignment) | <Ref. to DTC B2328 RADAR ASSY B&S INTERNAL FAILURE (RADAR MISALIGNMENT) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2329 | Radar ASSY B&S Uncompleted Radar Alignment | <Ref. to DTC B2329 RADAR ASSY B&S UNCOMPLETED RADAR ALIGNMENT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| B2350 | Radar ASSY B&S Communication Error Between Master and Slave | <Ref. to DTC B2350 RADAR ASSY B&S COMMUNICATION ERROR BETWEEN MASTER AND SLAVE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0073 | Control Module Communication Bus Off | <Ref. to DTC U0073 CONTROL MODULE COMMUNICATION BUS OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0074 | Control Module Communication Bus "Body-CAN" Off | <Ref. to DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0100 | Lost Communication With ECM/PCM "A" | <Ref. to DTC U0100 LOST COMMUNICATION WITH ECM/PCM "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0101 | Lost Communication With TCM | <Ref. to DTC U0101 LOST COMMUNICATION WITH TCM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0122 | Lost Communication With Vehicle Dynamics Control Module | <Ref. to DTC U0122 LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0140 | Lost Communication With Body Control Module | <Ref. to DTC U0140 LOST COMMUNICATION WITH BODY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module | <Ref. to DTC U0155 LOST COMMUNICATION WITH INSTRUMENT PANEL CLUSTER (IPC) CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0401 | Invalid Data Received From ECM/PCM "A" | <Ref. to DTC U0401 INVALID DATA RECEIVED FROM ECM/PCM "A" , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0402 | Invalid Data Received From TCM | <Ref. to DTC U0402 INVALID DATA RECEIVED FROM TCM , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0416 | Invalid Data Received From Vehicle Dynamics Control Module | <Ref. to DTC U0416 INVALID DATA RECEIVED FROM VEHICLE DYNAMICS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0422 | Invalid Data Received From Body Control Module | <Ref. to DTC U0422 INVALID DATA RECEIVED FROM BODY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
| U0423 | Invalid Data Received From Instrument Panel Cluster Control Module | <Ref. to DTC U0423 INVALID DATA RECEIVED FROM INSTRUMENT PANEL CLUSTER CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).> |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.