Dtc 01-Dc Transmission Error

Body Electrical. Lexus Is250, Is220D. Gse20 Ale20
Audio Visual. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC OF OTHER COMPONENTS

IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE

CHECK COMPONENT WHICH HAS STORED THIS CODE

CLEAR DTC

RECHECK DTC

DTC 01-DC Transmission Error


DESCRIPTION


DTC No.
DTC Detection Condition
Trouble Area
01-DC
Transmission to component shown by sub-code failed (Detecting this DTC does not always mean actual failure)
If the same sub-code is recorded in other components, check harness for power supply and communication system of all components shown by code
NOTICE:
  1. The radio receiver is the master unit.
  2. Be sure to clear and recheck DTCs after the inspection is completed to confirm that no DTCs are output.

INSPECTION PROCEDURE

NOTICE:
Be sure to read DESCRIPTION before performing the following procedures.
1.CHECK FOR DTC OF OTHER COMPONENTS

  1. Check if the component shown by the sub-code is displayed in the check result of the other components.

    1. Check if "01-DC" is output for the other components.

    2. If "01-DC" is output for any other components, check if the same physical address is displayed.

      Result:
      Result
      		Proceed to
      "01-DC" is output and the same physical address is displayed
      		A
      "01-DC" is not output or the same physical address is not displayed
      		B
HINT:
For the list of the components shown by sub-codes, refer to the table in step 2.


B
Go to step 4
A


2.IDENTIFY THE COMPONENT WHICH HAS STORED THIS CODE


  1. Enter the diagnostic mode.


    Lexus Is250, Is220D. Gse20 Ale20.Audio Visual.Audio And Visual System. Dtc 01-Dc Transmission Error

  1. Press the preset switch "3" to change to "Detailed Information Mode".

  1. Identify the component which has stored this code.

    Component Table:
    Component
    		Physical address
    Gateway ECU
    		1C6
    Stereo component amplifier
    		440
    Integration control & panel assembly
    		1D8
    Radio receiver
    		190
HINT:
  1. "440 (stereo component amplifier)" is the component which has stored this code in the example shown in the illustration.
  1. For details of the DTC display, refer to "DTC CHECK/CLEAR" (Click here).

NEXT


3.CHECK COMPONENT WHICH HAS STORED THIS CODE

  1. Select the component which has stored this code.

    Component Table:
    Component
    		Proceed to
    Gateway ECU
    		Gateway ECU communication error (Click here)
    Stereo component amplifier
    		Stereo component amplifier communication error (Click here)
    Integration control & panel assembly
    		Integration control & panel assembly communication error (Click here)
    Radio receiver
    		Radio receiver communication error (Click here)

NEXT

END

4.CLEAR DTC

  1. Clear the DTCs (Click here).

    HINT:
    If "01-DC" is output for only one component, this may not indicate a malfunction.

NEXT


5.RECHECK DTC

  1. Recheck for DTCs and check if the same trouble code occurs again.

    OK:
    Malfunction disappears.


NG
Go to step 3
OK

END