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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 P0780: Shift >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

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DTC DETECTION LOGIC REFERENCE CHART

DTC Trouble diagnosis name DTC is detected if... Possible cause
P0780 Shift Error
  • TCM judges that the gear ratio is not switched to that of 4GR (1.412) while shifting from 3GR to 4GR in "D" position.
  • TCM judges that the engine speed is more than the specified one while shifting from 5GR to 6GR or from 6GR to 7GR in "D" position.
  • Anti-interlock solenoid valve
  • Low brake solenoid valve
  • Hydraulic control circuit
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