SIMPLE INTELLIGENT PARKING ASSIST SYSTEM, Diagnostic DTC:U0301, U0322

DTC Code	DTC Name
U0301	Software Incompatibility With ECM/PCM
U0322	Software Incompatibility With Body Control Module

DESCRIPTION

DTC U0301 is stored when the clearance warning ECU assembly judges, as a result of its self check, that the vehicle information received from the hybrid vehicle control ECU assembly via CAN communication and the vehicle information stored in the clearance warning ECU assembly do not match.
DTC U0322 is stored when the clearance warning ECU assembly judges, as a result of its self check, that the vehicle information received from the main body ECU (multiplex network body ECU) via CAN communication and the vehicle information stored in the clearance warning ECU assembly do not match.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
U0301	Software Incompatibility With ECM/PCM	Vehicle information unmatched between the hybrid vehicle control ECU assembly and clearance warning ECU assembly	Initialization Clearance warning ECU assembly
U0322	Software Incompatibility With Body Control Module	Vehicle information unmatched between the main body ECU (multiplex network body ECU) and clearance warning ECU assembly	Initialization Clearance warning ECU assembly

CAUTION / NOTICE / HINT

Note

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization may be needed. Refer to Initialization.

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PROCEDURE

PERFORM INITIALIZATION

Perform the initialization (initialize simple intelligent parking assist system) to register the vehicle information into the clearance warning ECU assembly.

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Result

Proceed to
NEXT

CHECK DTC OUTPUT

Clear the DTCs.

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Body Electrical > Clearance Sonar / Simple-IPA. > Clear DTCs

Recheck for DTCs and check if the same DTC is output again.

Body Electrical > Clearance Sonar / Simple-IPA. > Trouble Codes

OK
No DTCs are output.

Tech Tips

If DTC U0301 or U0322 is output, perform the procedure to make the clearance warning ECU assembly to register the vehicle information again.
If DTC U0301 or U0322 is still output after performing the procedure to make the clearance warning ECU assembly register the vehicle information 3 times, replace the clearance warning ECU assembly.

Result

Proceed to
OK
NG

END (INITIALIZATION HAS NOT BEEN PERFORMED)

REPLACE CLEARANCE WARNING ECU ASSEMBLY for LHD: Click here
REPLACE CLEARANCE WARNING ECU ASSEMBLY for RHD: Click here