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.
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HOMESERVICE MANUALSSUBARU2010FORESTER X PREMIUM, STANDARDREPAIR AND DIAGNOSISELECTRICALGAUGESINSTRUMENTATION SYSTEM & DRIVER INFORMATION CENTER - INSTRUMENTATION - DRIVER INFOCOMBINATION METER SYSTEMINSPECTIONDTC DISPLAY MODE
2010 Subaru Forester X Premium, Standard
DTC Display Mode
2010 Subaru Forester X Premium, StandardSECTION DTC Display Mode
It is possible to display the DTC of the combination meter through the following procedures.
- Within 3 seconds after turning the ignition switch to ON, set the lighting switch to tail light or headlight position.
- Press the ODO/tripmeter knob four times.
- Turn the lighting switch to OFF, and press the ODO/trip meter knob four times.
- Set the lighting switch to tail light or headlight position again, and press the ODO/tripmeter knob four times.
NOTE:
- Perform the steps described in 2) and 4) within 10 seconds.
- When the engine starts during diagnosis, the self-diagnosis function is not cancelled, however, once turning the ignition switch to OFF or the vehicle starts driving, DTC display mode is cancelled automatically for safety.
- When the DTC display mode operates, {ECM}, {TCM}, {VDC} is displayed cyclically in this order for every three seconds or every press of the trip knob. DTC is displayed in the following table according to type of control module, receiving DTC, DTC detected, No DTC.
- When the DTCs of individual control modules change from current malfunctions to past malfunctions, and the trouble is cleared, when the engine is started three or more times, the DTC will no longer be displayed in the combination meter. In this case, read the DTC using Subaru Select Monitor.
CONTROL MODULE REFERENCE CHART
| Control module | Condition | Display |
|---|---|---|
| ECM | Receiving DTC | Trip "A" + "P (Blink)" |
| DTC detected | Trip "A" + "P xxxx" | |
| No DTC | Trip "A" + "P -" | |
| TCM | Receiving DTC | Trip "B" + "P (Blink)" |
| DTC detected | Trip "B" + "P xxxx" | |
| No DTC | Trip "B" + "P-" | |
| VDC CM | Receiving DTC | Trip "A" + "C (Blink)" |
| DTC detected | Trip "A" + "C xxxx" | |
| No DTC | Trip "A" + "C -" | |
| When CAN communication error is occurred | - | "---" |
NOTE:
Only receiving DTC is displayed because the MT model is not equipped with a TCM.
RENDER: 1.0x
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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.