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Summary. ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH A 2.5L ENGINE, THE CRANKSHAFT POSITION SENSOR CAN OVERHEAT CAUSING A BRIEF INTERRUPTION IN THE SIGNAL OUTPUT FROM THE SENSOR.
Remedy. DEALERS WILL REPROGRAM THE ECM FREE OF CHARGE. ...
code p1778 refers to CVT step motor --mechanical malfunction===causes --- step motor
I would replace the step motor as it has a mechanical fault and probable will be unrepairable.
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