DTC U0402:68 [ACTIVE DRIVING DISPLAY]

id0902r2988900

System malfunction location

Error signal received from TCM
Detection condition
•  The active driving display received error signals from the transmission/transaxle for the ignition switched ON (engine off or on).
Fail-safe
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Possible cause
•  DTCs are stored in the TCM.
•  TCM malfunction
•  Active driving display malfunction
System wiring diagram
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Diagnostic Procedure

Step

Inspection

Action
1
VERIFY DTCs FOR TCM
•  Verify DTCs for the TCM using the M-MDS.
•  Is the DTC displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (CW6A-EL)].)
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (EW6A-EL)].)
No
Go to the next step.
2
DRIVE VEHICLE THEN VERIFY DTCs FOR TCM AGAIN
•  Drive the vehicle at a vehicle speed of 30 km/h {19 mph} or more for 100 s or more.
•  Verify DTCs for the TCM using the M-MDS.
•  Is the DTC displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (CW6A-EL)].)
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [TCM (EW6A-EL)].)
No
Go to the next step.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear DTC for the active driving display using the M-MDS.
•  Switch the ignition ON and wait for 20 s or more.
•  Perform the DTC inspection for the active driving display using the M-MDS.
•  Is DTC U0402:68 displayed?
Yes
Replace the active driving display, then go to the next step.
(See ACTIVE DRIVING DISPLAY REMOVAL/INSTALLATION.)
No
Go to the next step.
4
VERIFY IF OTHER DTCs DISPLAYED
•  Are any other DTCs displayed?
Yes
Repair the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [ACTIVE DRIVING DISPLAY].)
No
DTC troubleshooting completed.