Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: 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:

  • When "!" mark is displayed on the multi-display assembly after disconnecting the cable from the negative (-) battery terminal, 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.

Click here

Chassis > Rear Camera > Clear DTCs

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

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Chassis > Rear Camera > Trouble Codes

HINT:

  • If DTC U1000 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 if the DTC was 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

REPLACE REAR TELEVISION CAMERA ASSEMBLY

B

USE SIMULATION METHOD TO CHECK

    Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0140,U0163,U0233,U1110)
    DESCRIPTION These DTCs are stored if there is a malfunction in the CAN communication system connected to the rear television camera assembly. HINT: If CAN communication system DTCs are stored, they ma ...

    Image from Camera for Parking Assist Monitor is Abnormal
    DESCRIPTION The video signal from the rear television camera assembly is transmitted to the multi-display assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When "!" mark is displayed on the ...

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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