DTC P1781 code: Engine Torque Signal Circuit (BUICK, CADILLAC, CHEVROLET, GMC) Over Drive Pressure Switch Sense Circuit (CHRYSLER, DODGE, JEEP) 4x4 Low Switch Out of Self-Test Range Conditions (FORD, LINCOLN, MAZDA, MERCURY) Actuator (HYUNDAI) Shift Lever Switch Malfunction (LEXUS, TOYOTA). Fault type Drive system in category Torque transmission failure.
Error Code DTC / Diagnostic Trouble Code:
P1781.
Hexadecimal Code: 1781.
The orange color P1781 indicates car fault. What to do when the car started to show P1781 error. After starting the car a signal P1781 lights orange. What means P1781 in orange color. Auto P1781 error repair code.
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