P1774 2003 INFINITI G35 - Low Coast Brake Solenoid Valve Function
Tech notesThere is a factory service bulletin for the 2003–2010 Infiniti vehicles with 5-Speed A/T for the P1774 code. The bulletin recommends replacing the Transmission Valve Body to fix the problem.
2003–2010 Infiniti vehicles with 5-Speed A/T OBDII Code P1774
P1774 2003 Infiniti G35 DescriptionLow coast brake solenoid valve is turned “ON” or “OFF” by the Transmission Control Module (TCM) in response to signals sent from the PNP switch, vehicle speed sensor and accelerator pedal position sensor (throttle position sensor). Gears will then be shifted to the optimum position.
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