DTC U0515-41: Invalid Data Received From Remote Function Actuation General Checksum Failure [07/2015 - ]: Procedure

VERIFY MAIN BODY ECU DTCS AGAIN

Clear the DTC for the main body ECU using the Techstream.
Refer to DTC CHECK / CLEAR [07/2015 - ]

Body Electrical > Body Control Module > Clear DTCs
Retrieve the main body ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR [07/2015 - ]

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 ENGINE STOP AND START ECU DTCS

Retrieve the engine stop and start ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR [07/2015 - ]

Body Electrical > Smart Start Unit > 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 [07/2015 - ]

Result: 1

See step 3

VERIFY IF MALFUNCTIONING LOCATION IS ENGINE STOP AND START ECU DEPENDING ON REPEATABILITY

Clear the DTC for the main body ECU using the Techstream.
Refer to DTC CHECK / CLEAR [07/2015 - ]

Body Electrical > Body Control Module > Clear DTCs
Retrieve the main body ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR [07/2015 - ]

Body Electrical > Body Control Module > Trouble Codes

Is the same DTC displayed?

Result

Result
Yes
No

Result: 2

Yes

See step 7

Result: 1

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 [07/2015 - ]

Body Electrical > Body Control Module > Clear DTCs
Retrieve the main body ECU DTCs using the Techstream.
Refer to DTC CHECK / CLEAR [07/2015 - ]

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 [07/2015 - ]

Result: 2

DTC TROUBLESHOOTING COMPLETED.

REPEAT THE INSPECTION FROM STEP 1.

If the malfunction recurs, replace the main body ECU.
Refer to REMOVAL [07/2015 - ]

Go to the next step.

Result

Proceed to
NEXT

Result: 1

See step 5

REPLACE THE ENGINE STOP AND START ECU, THEN GO TO THE NEXT STEP.

Refer to INSTALLATION [07/2015 - ]

Result

Proceed to
NEXT

Result: 1

See step 4