2012 Infiniti M37 BaseFACTORY OEM SERVICE PROCEDURE

Fail-Safe Function

DTC Vehicle condition Vehicle behavior for 1st failsafe Vehicle behavior for 2nd failsafe Vehicle behavior for final failsafe
P0615 - Starter is disabled - Starter is disabled
P0705 -
  • Fixed in the "D" position (The shifting can be performed)
  • Lock-up is prohibited when 30 km/h (19 MPH) or less
  • The shifting between the gears of 3 - 4 - 5 - 6 - 7 can be performed
  • Manual mode is prohibited
  • Shift position indicator is switched OFF
  • Starter relay is switched OFF (starter is disabled)
  • Back-up lamp is OFF
  • Large shift shock
 -
  • Fixed in the "D" position (The shifting can be performed)
  • Lock-up is prohibited when 30 km/h (19 MPH) or less
  • The shifting between the gears of 3 - 4 - 5 - 6 - 7 can be performed
  • Manual mode is prohibited
  • Shift position indicator is switched OFF
  • Starter relay is switched OFF (starter is disabled)
  • Back-up lamp is OFF
  • Large shift shock
P0710 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear while driving
  • Manual mode is prohibited
 -
P0717 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear while driving
  • Manual mode is prohibited
 -
P0720 Between the gears of 1 - 2 - 3
  • Only downshift can be performed
  • Manual mode is prohibited
  • A vehicle speed signal from the unified meter and A/C amp. is regarded as an effective signal
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear at driving
  • Manual mode is prohibited
  • A vehicle speed signal from the unified meter and A/C amp. is regarded as an effective signal
 -
P0729
P0731
P0732
P0733
P0734
P0735
P1734		 Small gear ratio difference Engine torque limit: Max 150 Nm - Engine torque limit: Max 150 Nm
Great gear ratio difference Neutral malfunction between the gears of 1 - 2 - 3 and 7
  • Locks in 2GR, 3GR or 4GR
  • Manual mode is prohibited
 -
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 can be performed
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • Manual mode is prohibited
Other than the above
  • Locks in 1GR, 2GR, 3GR, 4GR, 5GR or 6GR
  • Fix the gear while driving
  • Manual mode is prohibited
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 can be performed
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • The shifting between the gears of 2 - 3 - 4 can be performed
  • The shifting between the gears of 3 - 4 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • Manual mode is prohibited
P0730 -
  • Locks in 5GR, 6GR or 7GR
  • Manual mode is prohibited
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 can be performed
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
P0740 -
  • Lock-up is prohibited
  • Slip lock-up is prohibited
 -
  • Lock-up is prohibited
  • Slip lock-up is prohibited
P0744 -
  • Lock-up is prohibited
  • Slip lock-up is prohibited
 -
  • Lock-up is prohibited
  • Slip lock-up is prohibited
P0750
P0775
P0795
P2713
P2722
P2731
P2807		 -
  • Locks in 2GR, 3GR, 4GR, 5GR, 6GR or 7GR
  • Manual mode is prohibited
 -
  • Locks in 1GR
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • The shifting between the gears of 3 - 4 - 5 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • The shifting between the gears of 1 - 2 - 3 - 4 - 5 - 6 can be performed
  • Manual mode is prohibited
P0780 -
  • Locks in 3GR
  • Manual mode is prohibited
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
P1705 -
  • Downshift when accelerator pedal is depressed is prohibited
  • Upshift when accelerator pedal is released is prohibited
  • Manual mode is prohibited
  • Downshift when accelerator pedal is depressed is prohibited
  • Upshift when accelerator pedal is released is prohibited
  • Manual mode is prohibited
  • Downshift when accelerator pedal is depressed is prohibited
  • Upshift when accelerator pedal is released is prohibited
  • Manual mode is prohibited
P1730 -
  • Locks in 1GR, 2GR, 3GR, 4GR, 5GR, 6GR or 7GR
  • Manual mode is prohibited
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
  • Locks in 1GR
  • The shifting between the gears of 2 - 3 - 4 can be performed
  • The shifting between the gears of 3 - 4 can be performed
  • The shifting between the gears of 4 - 5 - 6 can be performed
  • Manual mode is prohibited
P1815 Gate switch malfunction Only the gate switch is prohibited - Only the gate switch is prohibited
Paddle switch malfunction Only the paddle switch is prohibited - Only the paddle switch is prohibited
Malfunction of both switches Manual mode is prohibited - Manual mode is prohibited
U0300
U1000		 Between the gears of 1 - 2 - 3
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Manual mode is prohibited
 -
  • The shifting between the gears of 1 - 2 - 3 can be performed
  • Line pressure is set to the maximum hydraulic pressure
  • Manual mode is prohibited
Between the gears of 4 - 5 - 6 - 7
  • Fix the gear at driving
  • Manual mode is prohibited
 -
P0720 and P1721 - Locks in 5GR - Locks in 5GR
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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