Lexus NX: CAN Communication Failure (Message Registry) (U1000)

DESCRIPTION

This DTC is stored when the rear television camera assembly judges that it has an internal CAN malfunction.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U1000

CAN Communication Failure (Message Registry)

Can communication failure (message registry)

Rear television camera assembly

CAUTION / NOTICE / HINT

NOTICE:

  • If the cable was disconnected from and reconnected to the negative (-) auxiliary battery terminal, the estimated course lines may not be displayed on the image of the area behind the vehicle. In this case, perform "Correct the Steering Angle Neutral Point".

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  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed.

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PROCEDURE

1.

CHECK DTC OUTPUT

(a) Clear the DTCs.

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Chassis > Parking Assist Camera > Clear DTCs

(b) Check for DTCs and check that no DTCs are output.

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Chassis > Parking Assist Camera > Trouble Codes

HINT:

  • If the DTC is not output again when rechecking for DTCs, it may have been stored due to a temporary CAN malfunction.
  • If DTC U1000 is output frequently, duplicate the problem symptoms and perform the inspection again, even though the DTC is not output when rechecking for DTCs.

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Result

Proceed to

DTC U1000 is output

A

DTC U1000 is not output

B

A

USE SIMULATION METHOD TO CHECK

B

REPLACE REAR TELEVISION CAMERA ASSEMBLY

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SEE MORE:

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