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Mitsubishi
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2014
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Lancer ES Sportback
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Repair and Diagnosis
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Steering
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Electronic Steering
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Electric Power Steering (EPS) - With Diagnostics - Lancer
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Power Steering Diagnosis
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Diagnostic Trouble Code Procedures
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DTC U0401: Engine revolution data input malfunction
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Function
DTC U0401: Engine revolution data input malfunction: Function
The engine speed signal is sent to the electric power steering-ECU for motor control.