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Home >> Infiniti >> 2012 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Automatic Transmission) >> System Description >> System >> A/T Control System >> A/T CONTROL SYSTEM: Fail-Safe >> Fail-Safe Function
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Fail-Safe Function

WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
DTC Vehicle condition Vehicle behavior for 1st fail-safe Vehicle behavior for 2nd fail-safe Vehicle behavior for final fail-safe
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
U0100
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
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