OBDII Code List

P1777 INFINITI - Step Motor Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Step Motor
  • Step Motor harness is open or shorted
  • Step Motor poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1777 Infiniti Description

The step motor changes the step with turning 4 coils ON/OFF according to the signal from Transmission Control Module (TCM). As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled
OBDII Code P1777 Infiniti - Step Motor Circuit -

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P1777 INFINITI Comments

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