HCC 002071.09 – CCU Message Missing

HCC 002071.09 (HCC 2071.09)

Code: 002071.09

Shortcode: 2071.09


This error code indicates that the Hitch Control Unit (HCC) is not receiving the required speed messages from the CCU (Central Control Unit).


The HCC function is degraded when this error code is active.


  • Check Communication Lines:
    • Inspect the communication lines between the HCC and the CCU for any damage, loose connections, or interference.
  • Verify CCU Operation:
    • Ensure the CCU is functioning properly and transmitting speed messages correctly.
  • Inspect Wiring and Connectors:
    • Examine all wiring and connectors associated with the HCC and CCU for any issues.
  • Check for Software Updates:
    • Ensure that both the HCC and CCU are running the latest software versions.
  • Consult Technical Support:
    • If the issue persists, contact technical support for further diagnostics and troubleshooting.


Reliable communication between control units is essential for proper operation. Regularly inspect and maintain communication lines and related components to avoid issues with missing messages.

Control Units: John Deere

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