DTC U0401:68 [ACTIVE DRIVING DISPLAY]

id0902r2988800

Description

Error signal received from PCM
Detection condition
•  The active driving display receives the error signal from the PCM for the ignition switched ON (engine off or on).
Fail-safe
—
Possible cause
•  DTCs are stored in the PCM.
•  PCM malfunction
•  Active driving display malfunction
System wiring diagram
—

Diagnostic Procedure

Step

Inspection

Action
1
VERIFY PCM DTCs
•  Retrieve the PCM DTCs using the M-MDS.
•  Are any DTCs displayed?
Yes
Repair or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [PCM (SKYACTIV-G 1.3, SKYACTIV-G 1.5)].)
(See DTC TABLE [PCM (SKYACTIV-D 1.5)].)
No
Go to the next step.
2
VERIFY IF MALFUNCTIONING LOCATION IS PCM DEPENDING ON REPEATABILITY
•  Clear the DTC for the active driving display using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 20 s or more.
•  Retrieve the active driving display DTCs using the M-MDS.
•  Is the same DTC displayed?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 1.3, SKYACTIV-G 1.5].)
(See PCM REMOVAL/INSTALLATION [SKYACTIV-D 1.5].)
No
Go to Step 4.
3
VERIFY THAT REPAIRS HAVE BEEN COMPLETED
•  Clear the DTC for the active driving display using the M-MDS.
•  Switch the ignition ON (engine off or on) and wait for 20 s or more.
•  Retrieve the active driving display DTCs using the M-MDS.
•  Is the same DTC 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 or replace the malfunctioning part according to the applicable DTC troubleshooting.
(See DTC TABLE [ACTIVE DRIVING DISPLAY].)
No
DTC troubleshooting completed.