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DTC P0773:00 [TCM (ET6A-EL, ET6AX-EL) (E)]

DTC P0773:00 [TCM (ET6A-EL, ET6AX-EL) (E)]

 id0502q98200r2

System malfunction location

On/off solenoid circuit malfunction
Detection condition
•  Under the following condition, the TCM detects the on/off solenoid circuit malfunction:
―  Battery voltage is 10.5 V or more.
Fail-safe
•  Set to emergency mode.
•  Inhibits learning control.
•  Inhibits manual mode.
•  Inhibits neutral idle control.
•  Inhibits i-stop control.
•  Inhibits AAS.
Possible cause
•  Short or open circuit in on/off solenoid circuit
•  On/off solenoid malfunction
System wiring diagram
•  Not applicable
Connector diagram
•  Not applicable

Diagnostic Procedure

Step

Inspection

Results

Action
1
RECORD VEHICLE STATUS WHEN DTC WAS DETECTED TO UTILIZE WITH REPEATABILITY VERIFICATION
•  Record the freeze frame data/snapshot data.
Note
•  Recording can be facilitated using the screen capture of the PC function.
—
Go to the next step.
2
VERIFY RELATED REPAIR INFORMATION OR SERVICE INFORMATION AVAILABILITY
•  Verify related Service Bulletins, on-line repair information, or Service Information availability.
•  Is any related information available?
Yes
Perform repair or diagnosis according to the available information.
•  If the vehicle is not repaired, replace the on/off solenoid.
Go to repair completion verification.
No
Replace the on/off solenoid, then go to repair completion verification.
(See ON/OFF SOLENOID REMOVAL/INSTALLATION [ET6A-EL, ET6AX-EL (E)].)
Repair completion verification
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Switch the ignition ON (engine off or on).
•  Perform the DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Repair the malfunctioning location according to the applicable DTC troubleshooting.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (ET6A-EL, ET6AX-EL) (E)].)
No
DTC troubleshooting completed.