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Service bulletin 16-NA-237

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 id10108615
Published by NHTSA2017-07-18
Manufacturer's number16-NA-237
Manufacturer's date2017-07-18
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

This informational bulletin explains what sets the code U0155 and how its caused by a timing issue between the IPC and the PPS.

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

Equipment and accessories

Trouble codes named

U0155

Vehicles listed
CADILLAC ATS2016, 2017
CADILLAC CTS2016, 2017

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

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