DTC U0320:00/U0420:00/U0420:64 [DYNAMIC STABILITY CONTROL (DSC)]

id0402b2860700

DTC
U0320:00, U0420:00, U0420:64
Abnormal message from EPS control module
DETECTION CONDITION
•  U0320:00, U0420:00
―  Correct data cannot be received from EPS control module.
•  U0420:64
―  The signal from the steering angle sensor remains unchanged when the steering angle is turned to the right and left.
FAIL-SAFE FUNCTION
•  Refer to “Fail-safe Function Malfunction Contents”. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
POSSIBLE CAUSE
•  EPS control module malfunction
SYSTEM WIRING DIAGRAM
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Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY EPS CONTROL MODULE DTC
•  Using the M-MDS, perform the EPS control module DTC inspection.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [ELECTRIC POWER STEERING (EPS)].)
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 DTC present?
Yes
Repeat the inspection from Step1.
If the malfunction recurs, replace the EPS control module then go to the next step.
(See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.)
No
Go to the next step.
3
VERIFY NO DTC IS PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
No
DTC troubleshooting completed.