ON-BOARD DIAGNOSTIC SYSTEM FAIL-SAFE FUNCTION [TCM (SJ6A-EL)]

id0502o1280200


Purpose/Function

•  If a transmission malfunction is detected by the malfunction detection function, the fail-safe function limits the transmission control.
•  Even if the transmission has a malfunction, the fail-safe function assures the minimum vehicle driveability.

Construction/Operation

DTC separate fail-safe function

—: Not applicable

DTC No.

Description

Fail-safe function
P0601:00
TCM: ROM check sum error
•  Sets to emergency mode.
P0603:00
TCM: EEPRPM check sum error
—
P0604:00
TCM: RAM access error
•  Sets to emergency mode.
P0707:00
TR switch: Short circuit
•  When multiple position contact points are on, the selected position is determined by the following order of priority.
―  D>R>N (P)
•  When all of the position contact points are off, the D position is determined.
•  Inhibits learning control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
P0708:00
TR switch: Open circuit
•  When multiple position contact points are on, the selected position is determined by the following order of priority.
―  D>R>N (P)
•  When all of the position contact points are off, the D position is determined.
•  Inhibits learning control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the reverse control.
P0711:00
TFT sensor: Sensor malfunction
•  Performs control with the ATF temperature of 80 °C {176 °F}.
•  Inhibits learning control.
P0712:00
TFT sensor: Short to ground
•  Performs control with the ATF temperature of 80 °C {176 °F}.
•  Inhibits learning control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits slip control.
•  Inhibits the slope control.
•  Inhibits AAS mode.
•  Inhibits 5GR and 6GR.
•  Inhibits direct mode.
•  Inhibits the torque increase request.
P0713:00
TFT sensor: Open circuit
•  Performs control with the ATF temperature of 80 °C {176 °F}.
•  Inhibits learning control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits slip control.
•  Inhibits the slope control.
•  Inhibits AAS mode.
•  Inhibits 5GR and 6GR.
•  Inhibits direct mode.
•  Inhibits the torque increase request.
P0717:00
Turbine sensor: No signal input
•  Substitutes a turbine sensor signal for a signal from the VSS.
•  Inhibits learning control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Inhibits slip control.
•  Inhibits the manual shift control.
•  Inhibits manual shifting using the up or down switch of the selector lever.
•  Inhibits AAS mode.
•  Inhibits 5GR and 6GR.
•  Inhibits direct mode.
P0722:00
VSS: No signal input
•  Substitutes a VSS signal for a signal from the turbine sensor.
•  Inhibits learning control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the reverse control.
•  Inhibits the slope control.
•  Inhibits slip control.
•  Inhibits the manual shift control.
•  Inhibits manual shifting using the up or down switch of the selector lever.
•  Inhibits AAS mode.
•  Inhibits 5GR and 6GR.
•  Inhibits direct mode.
P0751:00
Shift solenoid A: Stuck off
•  Inhibits learning control.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 4GR, 5GR, and 6GR.
•  Inhibits 1GR and 2GR during manual shift control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0752:00
Shift solenoid A/shift solenoid D: Stuck on
•  Inhibits AAS mode.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0756:00
Shift solenoid B: Stuck off
•  Inhibits AAS mode.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0757:00
Shift solenoid B: Stuck on
•  Inhibits AAS mode.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0761:00
Shift solenoid C: Stuck off
•  Inhibits learning control.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Inhibits accelerating from 2GR.
P0762:00
Shift solenoid C: Stuck on
•  Inhibits learning control.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 4GR, 5GR, and 6GR.
•  Inhibits 1GR and 2GR during manual shift control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0766:00
Shift solenoid D: Stuck off
•  Inhibits learning control.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 4GR, 5GR, and 6GR.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
Shift solenoid G: Stuck on
P0781:00
1-2 shift valve
•  Inhibits learning control.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 4GR, 5GR, and 6GR.
•  Inhibits 1GR and 2GR during manual shift control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0813:00
Reverse sequence valve
•  Inhibits learning control.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 6GR.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
P0819:00
M position switch up or down switch signal: Signal error
M position switch signal error
•  Inhibits the manual shift control.
•  Inhibits manual shifting using the up or down switch of the selector lever.
•  Inhibits direct mode.
Up switch malfunction or down switch signal error
•  Inhibits manual shifting using the up or down switch of the selector lever.
P0882:00
Power supply voltage: Low input
•  Inhibits learning control.
•  Sets to emergency mode.
P0961:00
Line pressure control solenoid signal: Solenoid stuck
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Sets to emergency mode.
P0962:00
Line pressure control solenoid signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Sets to emergency mode.
P0963:00
Line pressure control solenoid signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Sets to emergency mode.
P0969:00
Shift solenoid F: Solenoid stuck
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Sets to emergency mode.
P0970:00
Shift solenoid F signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Sets to emergency mode.
P0971:00
Shift solenoid F signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
•  Inhibits manual shifting using the up or down switch of the selector lever.
P0973:00
Shift solenoid A signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0974:00
Shift solenoid A signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0976:00
Shift solenoid B signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0977:00
Shift solenoid B signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0979:00
Shift solenoid C signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0980:00
Shift solenoid C signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0982:00
Shift solenoid D signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0983:00
Shift solenoid D signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0985:00
Shift solenoid E signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0986:00
Shift solenoid E signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P0B0B:00
Electric AT oil pump: Electric AT oil pump driver relay ON stuck
—
P0C1D:00
Electric AT oil pump: ATF high temperature detected for electric AT oil pump control
•  Inhibits the i-stop control.
P0C29:00
Electric AT oil pump: Electric AT oil pump driver control unit input frequency malfunction
•  Inhibits the i-stop control.
P0C2A:00
Electric AT oil pump: Electric AT oil pump driver control unit lock/spin malfunction
•  Inhibits the i-stop control.
P0C2B:00
Electric AT oil pump: Electric AT oil pump driver control unit A/D malfunction
•  Inhibits the i-stop control.
P0C2C:00
Electric AT oil pump: Electric AT oil pump driver control unit period malfunction
•  Inhibits the i-stop control.
P0C2D:00
Electric AT oil pump: Electric AT oil pump driver control unit Lo stuck
•  Inhibits the i-stop control.
P0C2E:00
Electric AT oil pump: Electric AT oil pump driver control unit High stuck
•  Inhibits the i-stop control.
P2719:00
Shift solenoid G: Solenoid stuck
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P2720:00
Shift solenoid G signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P2721:00
Shift solenoid G signal: Short circuit
•  Inhibits learning control.
•  Inhibits the manual shift control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Sets to emergency mode.
P2757:00
TCC: Stuck off
•  Inhibits learning control.
•  Inhibits slip control.
•  Inhibits the i-stop control.
P2758:00
TCC: Stuck on
•  Inhibits learning control.
•  Inhibits slip control.
•  Inhibits the i-stop control.
•  Inhibits accelerating from 2GR.
P2762:00
TCC control solenoid signal: Solenoid stuck
•  Inhibits learning control.
•  Inhibits the TCC control and slip control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits accelerating from 2GR.
P2763:00
TCC control solenoid signal: Short circuit
•  Inhibits learning control.
•  Inhibits the TCC control and slip control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits accelerating from 2GR.
P2764:00
TCC control solenoid signal: Open/short circuit
•  Inhibits learning control.
•  Inhibits the TCC control and slip control.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits accelerating from 2GR.
P2797:00
Electric AT oil pump: Malfunction in electric AT oil pump function
•  Inhibits the i-stop control.
U0073:00
CAN communication: Module communication error
•  Inhibits the i-stop control.
•  Inhibits the manual shift control.
U0074:00
CAN communication: Module communication error (local CAN between TCM and PCM)
•  Inhibits learning control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
U0100:00
CAN communication: Communication error between PCM
•  Inhibits the i-stop control.
U0115:00
CAN communication: Communication error between PCM (local CAN between TCM and PCM)
•  Inhibits learning control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits the TCC control and slip control.
•  Inhibits 5GR and 6GR.
•  Inhibits the neutral control.
•  Inhibits the i-stop control.
•  Inhibits the slope control.
U0121:00
CAN communication: Communication error between DSC HU/CM
•  Inhibits learning control.
•  Inhibits direct mode.
•  Inhibits AAS mode.
•  Inhibits slip control.
•  Inhibits the i-stop control.
U0131:00
CAN communication: Communication error between EPS control module
—
U0155:00
CAN communication: Communication error between instrument cluster
•  Inhibits the manual shift control.
•  Inhibits manual shifting using the up or down switch of the selector lever.
U0214:00
CAN communication: Communication error between start stop unit
•  Inhibits direct mode.
U0442:00
CAN communication: Error signal received from PCM
•  Throttle opening signal error
―  Inhibits learning control.
―  Inhibits direct mode.
―  Inhibits AAS mode.
―  Inhibits the TCC control and slip control.
―  Inhibits 5GR and 6GR.
―  Inhibits the neutral control.
―  Inhibits the i-stop control.
―  Inhibits the slope control.
•  Accelerator opening angle signal error
―  Inhibits learning control.
―  Inhibits direct mode.
―  Inhibits AAS mode.
―  Inhibits the TCC control and slip control.
―  Inhibits 5GR and 6GR.
―  Inhibits the neutral control.
―  Inhibits the i-stop control.
―  Inhibits the slope control.
•  Engine torque signal error
―  Inhibits learning control.
―  Inhibits AAS mode.
―  Inhibits slip control.
―  Inhibits 5GR and 6GR.
―  Inhibits the i-stop control.
―  Inhibits the slope control.
•  Engine speed signal error
―  Inhibits learning control.
―  Inhibits direct mode.
―  Inhibits AAS mode.
―  Inhibits the TCC control and slip control.
―  Inhibits 5GR and 6GR.
―  Inhibits the neutral control.
―  Inhibits the i-stop control.
―  Inhibits the slope control.
•  Engine coolant temperature signal error
―  Performs control with the ATF temperature of 80 °C {176 °F}.
―  Inhibits AAS mode.
―  Inhibits slip control.
―  Inhibits the neutral control.
―  Inhibits the slope control.
•  Detects engine misfire
―  Inhibits learning control.
―  Inhibits direct mode.
―  Inhibits AAS mode.
―  Inhibits the TCC control and slip control.
―  Inhibits 5GR and 6GR.
―  Inhibits the slope control.


Emergency Mode

•  Emergency mode shifts as follows when in D or R position.

Condition

Selector lever position

D position

R position
Normal shifting
1GR
2GR
3GR
4GR
5GR
6GR
Reverse
When there is any malfunction in shift solenoids A, B, C, D, E, F, G, or line pressure control solenoid
4GR
Reverse