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