Service bulletin SB-31770

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)
Type	Service bulletin
NHTSA id	10078802
Published by NHTSA	2016-08-19
Manufacturer's number	SB-31770
Manufacturer's date	2016-04-21
NHTSA component	ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

31770 – SERVICE UPDATE BULLETIN. THESE VEHICLES MAY PARK OUT OF POSITION WHEN USING THE ADVANCED PARK ASSIST FEATURE. DEALERS ARE TO REPROGRAM THE ADVANCED PARKING ASSIST CONTROL MODULE.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Equipment and accessories, Software

Vehicles listed
CADILLAC CTS-V	2016 (the catalog's model; the bulletin names a series or trim of it)

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

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