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P1774 INFINITI

P1774 INFINITI - Low Coast Brake Solenoid Valve Function

Possible causes
- Faulty Low Coast Brake Solenoid Valve
- Low Coast Brake Solenoid Valve harness is open or shorted
- Low Coast Brake Solenoid Valve circuit poor electrical connection
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1774 INFINITI Description
Low 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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