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 MANUALSSUBARU2014IMPREZA SPORT LIMITEDREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSKEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS)DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC B228A: SUB-TRAVEL POSSIBLE SIGNAL ABNORMALDTC DETECTING CONDITION
2014 Subaru Impreza Sport Limited
DTC B228A: Sub-Travel Possible Signal Abnormal: DTC Detecting Condition
2014 Subaru Impreza Sport LimitedSECTION DTC Detecting Condition
When the engine speed signal transmitted from the ECM via solid line and the engine speed signal transmitted via CAN communication line do not match.
RENDER: 1.0x
NO RELATED
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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.