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DTC U0401:
F-CAN Malfunction (TCM Received Invalid Data from ECM)
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Turn the ignition switch to ON (II).
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Clear the DTCs with the HDS.
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Start the engine.
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Change the engine speed from idle to 4,000 rpm (min
−1
) twice.
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Check for DTCs with the HDS.
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YES
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Check for Fuel and Emissions systems DTCs with the HDS.■
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NO
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Intermittent failure, the system is OK at this time.■
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