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Service bulletins for the 2021 Chevrolet Tahoe

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1477 on file from NHTSA, as of 2026-10-19.

About U3000 on the 2021 Chevrolet Tahoe: what the code means, and the bulletins and recalls about the same components.

By type

By component

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Only bulletins with trouble code: U3000 are shown. Show all

Bulletins, newest first
PIT63982025-06-29. Service bulletin. UNKNOWN OR OTHER. This PI involves DTC U3000 SYM49 Set falsely In The Serial Data Gateway Module and dealerships are to reset the module by cycling the battery.
21-NA-2432022-04-05. Service bulletin. ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set.
21NA2432021-12-27. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Short Range Radar (SRR) with DTC U3000 49 Set.
20NA2332021-05-24. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides repair information to correct a customer concern of Long Range Radar setting DTC U3000 49.
20NA2332021-03-01. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE. This technical bulletin provides repair information to correct a customer concern of Long Range Radar setting DTC U3000 49.
PIT5775A2021-02-16. Service bulletin. STEERING; SEAT BELTS. This Preliminary information communicates an issue with a service column lock message with DTC U3000 sym71,72 or 96 and engineering released updated software to correct this concern.
PIT5775A2021-01-25. Service bulletin. STEERING; SEAT BELTS. This Preliminary information communicates an issue with a service column lock message with DTC U3000 sym71,72 or 96 and engineering released updated software to correct this concern.
20NA1902020-10-26. Service bulletin. ELECTRICAL SYSTEM; STEERING. This technical bulletin provides repair information to correct a customer concern of Service Power Steering Message Displayed in DIC, DTC?U3000?44 Set.
PIT57752020-10-19. Service bulletin. STRUCTURE. This Preliminary information communicates an issue with a service column lock message with DTC U3000 sym71,72 or 96 and engineering is working on a fix.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.