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.
2016 Subaru Legacy 2.5iFACTORY OEM SERVICE PROCEDURE
Combination Meter DTCS
COMBINATION METER DIAGNOSTIC TROUBLE CODES (DTC) LIST
| DTC | Item | Description |
|---|---|---|
| U0073 | CAN FAILURE, BUS 'OFF' DETECTION | < Ref. to DTC U0073 CONTROL MODULE COMMUNICATION BUS 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). > |
| U0128 | LOST COMMUNICATION WITH PARK BRAKE CONTROL MODULE | < Ref. to DTC U0128 LOST COMMUNICATION WITH PARK BRAKE CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0131 | LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE | < Ref. to DTC U0131 LOST COMMUNICATION WITH POWER STEERING 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). > |
| U0151 | LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE | < Ref. to DTC U0151 LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0162 | LOST COMMUNICATION WITH AUDIO VISUAL NAVIGATION DISPLAY MODULE | < Ref. to DTC U0162 LOST COMMUNICATION WITH AUDIO VISUAL NAVIGATION DISPLAY MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0181 | LOST COMMUNICATION WITH HEADLAMP LEVELING CONTROL MODULE | < Ref. to DTC U0181 LOST COMMUNICATION WITH HEADLAMP LEVELING CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U0327 | SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULE | < Ref. to DTC U0327 SOFTWARE INCOMPATIBILITY WITH VEHICLE SECURITY CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U1232 | LOST COMMUNICATION WITH REAR/SIDE RADAR CONTROL MODULE | < Ref. to DTC U1232 LOST COMMUNICATION WITH REAR/SIDE RADAR CONTROL MODULE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U1235 | LOST COMMUNICATION WITH EyeSight | < Ref. to DTC U1235 LOST COMMUNICATION WITH EYESIGHT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| U1433 | INVALID DATA RECEIVED FROM EyeSight | < Ref. to DTC U1433 INVALID DATA RECEIVED FROM EYESIGHT , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1500 | FUEL SENDER OPEN/SHORT-CIRCUIT DETECTION | < Ref. to DTC B1500 FUEL SENDER OPEN/SHORT-CIRCUIT DETECTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1502 | WARNING BOX COMMUNICATION MALFUNCTION | < Ref. to DTC B1502 WARNING BOX COMMUNICATION MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
| B1507 | EXTERNAL AIR TEMPERATURE OPEN/SHORT-CIRCUIT DETECTION | < Ref. to DTC B1507 EXTERNAL AIR TEMPERATURE OPEN/SHORT-CIRCUIT DETECTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC). > |
Factory Service Tools
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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.
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