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P1777 NISSAN

P1777 NISSAN - Step Motor Circuit

Possible causes
- Step Motor harness is open or shorted
- Step Motor poor electrical connection
- Faulty Step Motor
P1777 NISSAN 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
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