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Home › Infiniti › 2008 › M45 Base › Repair and Diagnosis › Transmission › Automatic Transmission › DTC P0731 A/T 1ST Gear Function › Possible Cause

Possible Cause

Input clutch solenoid valve
Front brake solenoid valve
Direct clutch solenoid valve
High and low reverse clutch solenoid valve
Each clutch
Hydraulic control circuit