DTC U0452-68: Invalid Data Received From Restraints Control Module Event Information: Procedure

VERIFY MAIN BODY ECU DTCS AGAIN

Clear the DTC for the main body ECU using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Body Control Module > Clear DTCs
Switch the ignition ON (engine off or on) and wait for 3 s or more.
Retrieve the main body ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Body Control Module > Trouble Codes

Is the same DTC displayed?

Result

Result
Yes
No

Result: 2

See step 5

Result: 1

Yes

See step 2

VERIFY CENTER AIRBAG SENSOR ASSEMBLY DTCS

Retrieve the center airbag sensor assembly DTCs using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Restraint Control Module > Trouble Codes

Are any other DTCs displayed?

Result

Result
Yes
No

Result: 2

Yes

REPAIR OR REPLACE THE MALFUNCTIONING PART ACCORDING TO THE APPLICABLE DTC TROUBLESHOOTING.

Refer to DIAGNOSTIC TROUBLE CODE CHART

Result: 1

See step 3

VERIFY IF MALFUNCTIONING LOCATION IS CENTER AIRBAG SENSOR ASSEMBLY DEPENDING ON REPEATABILITY

Clear the DTC for the main body ECU using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Body Control Module > Clear DTCs
Switch the ignition ON (engine off or on) and wait for 3 s or more.
Retrieve the main body ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Body Control Module > Trouble Codes

Is the same DTC displayed?

Result

Result
Yes
No

Result: 1

Yes

See step 7

Result: 2

See step 5

VERIFY THAT REPAIRS HAVE BEEN COMPLETED

Clear the DTC for the main body ECU using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Body Control Module > Clear DTCs
Switch the ignition ON (engine off or on) and wait for 3 s or more.
Retrieve the main body ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR

Body Electrical > Body Control Module > Trouble Codes

Is the same DTC displayed?

Result

Result
Yes
No

Result: 2

Yes

See step 6

Result: 1

See step 5

VERIFY IF OTHER DTCS DISPLAYED

Are any other DTCs displayed?

Result

Result
Yes
No

Result: 1

Yes

REPAIR OR REPLACE THE MALFUNCTIONING PART ACCORDING TO THE APPLICABLE DTC TROUBLESHOOTING.

Refer to DIAGNOSTIC TROUBLE CODE CHART

Result: 2

DTC TROUBLESHOOTING COMPLETED.

REPEAT THE INSPECTION FROM STEP 1.

If the malfunction recurs, replace the main body ECU.
Refer to REMOVAL

Go to the next step.

Result

Proceed to
NEXT

Result: 1

See step 5

REPLACE THE CENTER AIRBAG SENSOR ASSEMBLY, THEN GO TO THE NEXT STEP.

Refer to REMOVAL

Result

Proceed to
NEXT

Result: 1

See step 4