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DTC 01-DC Transmission Error (DSP AMP): Description

DIAGNOSTIC TROUBLE CODE CHART

DTC No. DTC Detection Condition Trouble Area
01-DC Device stores information that transmission to device indicated by sub-code has failed Inspection for device indicated by sub-code (Refer to inspection list for device indicated by sub-code.)

HINT:

Potential causes of the problem are listed in order of probability in the trouble area column. The sub-code is always displayed with the DTC if it is registered.

  1. READ OUTPUT DTC (LAN MONITOR) 
    1. Read the communication diagnostic check result.

      Result 

      PROBLEM SYMPTOM CHART

      Display Proceed to
      Sub-code output A
      Not output B

    B : Go to step   3 

    A : Go to next step 

  2. CHECK AND REPLACE AVC-LAN HARNESS AND SOURCE 
    1. Check these suspected areas when the sub-code is shown.
      DEVICE NAME AND SUSPECTED AREAS CHART

      Sub-code Address Suspected Areas
      190 (Radio Receiver Assembly) Radio receiver power source circuit
      Radio receiver assembly
      1C6 (Gateway ECU) AVC-LAN circuit between radio receiver assembly and gateway ECU
      Gateway ECU
      440 (Stereo Component Amplifier) Stereo component amplifier power source circuit
      AVC-LAN circuit between stereo component amplifier and radio receiver assembly
      Stereo component amplifier

    NG : CHECK MALFUNCTIONING PART 

    OK : GO TO NEXT STEP 

  3. CLEAR DTC 
    1. Clear DTC. (See DTC CHECK / CLEAR  )

    NEXT: END