NO DATA LINK SIGNAL

UnclassifiedEmissions

What This Code Means

Audible alarm sounds; Visual alarm / Diagnostic indicator appears in the upper left corner of the screen; Diagnostic code description window appears in the center of the screen

Possible Causes

  • •Active diagnostic code from the engine Electronic Control Module (ECM)
  • •Loss of signal to the display

Suggested Actions

  1. 1Correct the underlying fault to remove the diagnostic code indicator
  2. 2Press 'alarm acknowledgment' key (1) again to scroll through or remove the diagnostic codes
  3. 3Press 'alarm acknowledgment' key (1) to silence the alarm

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Get a diagnosis walkthrough for NO DATA LINK SIGNAL on your specific Caterpillar Inc. unit — cited to the OEM manual, not a forum guess.

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