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DTC P1730: Problem in Shift Control System:: Notes

Shift Solenoid Valves A or D Stuck OFF
Shift Solenoid Valve B Stuck ON
Shift Valves A, B, or D Stuck

Fig 1: A/T Clutch Pressure Control Solenoid Valves Circuit Diagram
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig 2: Shift Solenoid Valve Output (D Position)

Courtesy of AMERICAN HONDA MOTOR CO., INC.