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.
2009 Subaru Outback LimitedFACTORY OEM SERVICE PROCEDURE
Tire Pressure Monitoring System DTCS
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Item | Contents of diagnosis | Remarks |
|---|---|---|---|
| 11 | Tire 1 air pressure decrease | Tire pressure of tire 1 is reduced. | Refer to DTC 11 TIRE 1 AIR PRESSURE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 12 | Tire 2 air pressure decrease | Tire pressure of tire 2 is reduced. | Refer to DTC 12 TIRE 2 AIR PRESSURE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 13 | Tire 3 air pressure decrease | Tire pressure of tire 3 is reduced. | Refer to DTC 13 TIRE 3 AIR PRESSURE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 14 | Tire 4 air pressure decrease | Tire pressure of tire 4 is reduced. | Refer to DTC 14 TIRE 4 AIR PRESSURE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 21 | Transmitter 1 no data | Data cannot be received from transmitter 1. | Refer to DTC 21 TRANSMITTER 1 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 22 | Transmitter 2 no data | Data cannot be received from transmitter 2. | Refer to DTC 22 TRANSMITTER 2 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 23 | Transmitter 3 no data | Data cannot be received from transmitter 3. | Refer to DTC 23 TRANSMITTER 3 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 24 | Transmitter 4 no data | Data cannot be received from transmitter 4. | Refer to DTC 24 TRANSMITTER 4 NO DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 31 | Transmitter 1 pressure data abnormal | Transmitter 1 data contents are abnormal. | Refer to DTC 31 TRANSMITTER 1 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 32 | Transmitter 2 pressure data abnormal | Transmitter 2 data contents are abnormal. | Refer to DTC 32 TRANSMITTER 2 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 33 | Transmitter 3 pressure data abnormal | Transmitter 3 data contents are abnormal. | Refer to DTC 33 TRANSMITTER 3 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 34 | Transmitter 4 pressure data abnormal | Transmitter 4 data contents are abnormal. | Refer to DTC 34 TRANSMITTER 4 PRESSURE DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 41 | Transmitter 1 function code abnormal | Function code has error. | Refer to DTC 41 TRANSMITTER 1 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 42 | Transmitter 2 function code abnormal | Function code has error. | Refer to DTC 42 TRANSMITTER 2 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 43 | Transmitter 3 function code abnormal | Function code has error. | Refer to DTC 43 TRANSMITTER 3 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 44 | Transmitter 4 function code abnormal | Function code has error. | Refer to DTC 44 TRANSMITTER 4 FUNCTION CODE ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 51 | Transmitter 1 battery voltage decrease | Transmitter battery voltage is low. | Refer to DTC 51 TRANSMITTER 1 BATTERY VOLTAGE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 52 | Transmitter 2 battery voltage decrease | Transmitter battery voltage is low. | Refer to DTC 52 TRANSMITTER 2 BATTERY VOLTAGE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 53 | Transmitter 3 battery voltage decrease | Transmitter battery voltage is low. | Refer to DTC 53 TRANSMITTER 3 BATTERY VOLTAGE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 54 | Transmitter 4 battery voltage decrease | Transmitter battery voltage is low. | Refer to DTC 54 TRANSMITTER 4 BATTERY VOLTAGE DECREASE , Diagnostic Procedure with Diagnostic Trouble Code (DTC). |
| 61 | Vehicle speed is abnormal | Vehicle speed signal is not input to the control module when the vehicle speed is 6 km/h (3.7 MPH) or more. | Refer to DTC 61 VEHICLE SPEED IS ABNORMAL , 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.