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Service bulletin GCUS-3-307

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 id10135170
Published by NHTSA2018-05-07
Manufacturer's numberGCUS-3-307
Manufacturer's date2015-10-05
NHTSA componentPOWER TRAIN; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

NHTSA's summary

15717 - Service Update. This bulletin provides a service procedure to remove the silicone contaminated transmission fluid on certain 2016 model year Cadillac ATS-V vehicles equipped manual transmission (RPO MG9). These vehicles, may have a condition in which the transmission fluid foams and spills out onto the exhaust pipe causing white smoke to be emitted from the underside of the vehicle when traveling at a very high rate of speed.

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

Engine, Exhaust and emissions, Transmission and driveline, Exhaust manifold, pipes and muffler

Vehicles listed
CADILLAC ATS-V2016 (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.

Other bulletins for the same vehicles and component
PIP4112S2018-05-21. Service bulletin. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This concern may also be present while crusing at highway speeds and then an aggressive increase in throttle.This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to downshift.
SB-157172016-06-22. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.