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Service bulletin PIT5622B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10173728
Published by NHTSA2020-04-13
Manufacturer's numberPIT5622B
Manufacturer's date2020-03-30
NHTSA componentEQUIPMENT; LANE DEPARTURE: BLIND SPOT DETECTION; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

This Preliminary information communicates instructions dealer to inspect for a broken or damaged side objector sensor/module bracket if there is a "Side Detection System Unavailable" message displayed at startup.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Electrical system, Equipment and accessories, Blind spot detection

Vehicles listed
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019, 2020
GMC YUKON2015, 2016, 2017, 2018, 2019, 2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIT5698B2021-09-13. Service bulletin. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.