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Service bulletins for the 2021 Chevrolet Suburban

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.

1440 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Steering are shown. Show all

Bulletins, newest first
N2023153802021-02-16. Service bulletin. BACK OVER PREVENTION; STEERING. Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear.
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.
N2023153802021-02-01. Service bulletin. STEERING. Service Update. A small number of vehicles may have been built with a cracked steering gear ballnut which could result in noise and reduction of steering performance. Dealers are to replace the steering gear.
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.
20NA1782020-10-26. Service bulletin. STEERING; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Service Driver Assist and/or Take Steering Messages on Start-up, Advanced Driver Assist Systems (ADAS) Features Not Available.

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