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Home >> Acura >> 2008 >> TSX Automatic >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Auxiliary Emission Control Systems >> Fuel And Emissions Systems >> System Description >> Electronic Control System >> Fail-safe Function
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Fail-safe Function

When an abnormality occurs in the signal from a sensor or another control unit, the ECM/PCM ignores that signal and substitutes a pre-programmed value for them that allows the engine to continue running. This causes a DTC to be stored and the MIL to come on.

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