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 ―  While driving at a vehicle speed of 20—65 km/h {13—40 mph} or more, 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		Not applicable

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	VERIFY EPS CONTROL MODULE DTC •  Using the M-MDS, perform the EPS control module DTC inspection. (See DTC INSPECTION [ELECTRIC POWER STEERING (EPS)].) •  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. (See CLEARING DTC [DYNAMIC STABILITY CONTROL (DSC)].) •  Using the M-MDS, perform the DSC HU/CM DTC inspection. (See DTC INSPECTION [DYNAMIC STABILITY CONTROL (DSC)].) •  Is the same Pending DTC present?	Yes	Repeat the inspection from Step 1. •  If the malfunction recurs, replace the EPS control module. (See STEERING WHEEL AND COLUMN REMOVAL/INSTALLATION.) 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. (See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)].)
		No	DTC troubleshooting completed.