DTC U0442:00 [EW6A-EL]

id050234905300

DTC U0442:00

Invalid data received from PCM (local CAN between TCM and PCM)
DETECTION CONDITION
•  Under the following condition, the TCM detects the invalid PCM signal for 0.5 s:
―  Battery voltage is 10 V or more.
FAIL-SAFE FUNCTION
•  Set to TCC control.
•  Inhibits learning control.
•  Inhibits manual mode.
•  Inhibits neutral idle control.
•  Inhibits 5GR and 6GR.
•  Inhibits shift down when the accelerator pedal is depressed.
POSSIBLE CAUSE
•  PCM DTC is stored.
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
2
VERIFY PCM DTC
•  Perform the PCM DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [SKYACTIV-D 1.5].)
No
Go to the next step.
3
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Start the engine and warm it up completely.
2.  Drive the vehicle for a while under the following conditions:
•  Selector lever position: D position
•  Perform the DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [EW6A-EL].)
No
DTC troubleshooting completed.