DTC U0301:00/U0401:00 [DYNAMIC STABILITY CONTROL (DSC)]


id0402b2860500

DTC

U0301:00, U0401:00

Abnormal message from PCM

DETECTION CONDITION
•  Correct data cannot be received from PCM
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe Function Malfunction Contents”. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
POSSIBLE CAUSE
•  PCM malfunction
SYSTEM WIRING DIAGRAM
Not applicable


Diagnostic Procedure

STEP

INSPECTION

ACTION

1
VERIFY PCM DTC
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
DTC troubleshooting completed, then go to the next step
No
Go to the next step.
2
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Using the M-MDS, clear the DTC from the DSC HU/CM.
•  Using the M-MDS, perform the DSC HU/CM DTC inspection.
•  Is the same Pending DTC present?
Yes
Repeat the inspection from Step 1.
Go to the next step.
No
Go to the next step.
3
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
No
DTC troubleshooting completed.