Code P1746 reads as:-
Pressure Control Solenoid "A" Open Circuit.
this is the valve that controls the pressure of transmission fluid to the clutch mechanism. There is a problem with the wiring to it or the solenoid itself is faulty. If this pressure isn't kept right it could eventually damage the clutch system. (Very expensive repair)! Get a good auto-electrician to look at it. It might just be a loose or dirty wire rather than a faulty clutch.
SOURCE: P1746 THE OVERDRIVE LIGHT FLASHES AND WHEN ITS
CODE P1746 - EPC SOLENOID CIRCUIT MALFUNCTION. WHEN THIS CODE APPEARS THE ENGINE STARTED VECHICLE IN GEAR AND THE PCM DETECTED THE ELECTRONIC PRESSURE CONTROL EPC SOLENOID CIRCUIT INDICATED OPEN THIS FAULT CAN CAUSE HARSH ENGAGEMENTS AND SHIFTS. EPC MEAN ELECTRONIC PRESSURE SOLENOID.
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