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U1006 on the 2026 Mack Anthem

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name U1006
CBR-2568-5 2026062026-06-29. Service bulletin. Contact Workshop; Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 And A Startability Issue.
CBR 2568-3 2026042026-05-05. Service bulletin. CBR - Communication Lost With Ultracapacitor Message With Associated CCIOM DTC U100687 and a Startability Issue.

2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.