FixVault
Home
›
Infiniti
›
2012
›
M35h
›
Repair and Diagnosis
›
Transmission
›
Automatic Transmission
›
DTC/Circuit Diagnosis
›
DTC P0780: Shift
›
DTC Logic
›
DTC Detection Logic
DTC Detection Logic
DTC
Trouble diagnosis name
Malfunction detected condition
Possible cause
P0780
Shift Error
When shifting from 3GR to 4GR with the selector lever in "D" position, the gear ratio does not shift to 1.371 (gear ratio of 4th).
When shifting from 6GR to 7GR, the engine speed exceeds the prescribed speed.
Anti-interlock solenoid valve
Low brake solenoid valve
Hydraulic control circuit