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Home >> Infiniti >> 2011 >> G37 IPL, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 61 (Automatic Transmission -- G37 Coupe) >> DTC/Circuit Diagnosis >> DTC P0730: Incorrect Gear Ratio >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different variant/trim than selected.
DTC DETECTION LOGIC REFERENCE CHART

DTC Trouble diagnosis name DTC is detected if... Possible cause
P0730 Incorrect Gear Ratio The revolution of under drive sun gear is 8,000 RPM or more.
NOTE: Not detected when in "P" or "N" position and during a shift to "P" or "N" position.
  • 2346 brake solenoid valve
  • Front brake solenoid valve
  • Input speed sensor 1, 2