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Service bulletin 16NA118

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 id10139217
Published by NHTSA2018-06-04
Manufacturer's number16NA118
Manufacturer's date2017-12-18
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING; LANE DEPARTURE: LANE KEEP: STEERING ASSIST; ENGINE

NHTSA's summary

This Technical bulletin provides a procedure to reroute the engine harness because of possible chafing on the ECM stud to prevent conditions of a no start, MIL Lamp Illum or possible loos of steering assist.

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, Engine, Steering, Lane departure and lane keeping, Power steering

Vehicles listed
CHEVROLET SONIC2013, 2014, 2015, 2016, 2017
CHEVROLET SPARK2014, 2015

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
12-02-32-002A2018-04-23. Service bulletin. This technical bulletin provides a revision for 12-02-32-002 to add the 2013-2014 model years, add noise as a possible condition and add a Note in the Instructions section.
PI1350A2017-08-15. Service bulletin. This preliminary informational bulletin provides technicians with information for matching the steering gear with the proper Electronic Power Steering (EPS) calibration.
15-NA-0152016-10-03. Service bulletin. THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CLEAR ALL ACTIVE PULL COMPENSATION LEARNED LIMITS IN THE POWER STEERING CONTROL MODULE TO CORRECT A CUSTOMER CONCERN ON A STEERING DRIFT OR PULL CONDITION WHERE THE VEHICLE MAY APPEAR TO PULL OR DRIFT IN THE DIRECTION OF A ROAD CROWN DUE TO THE ADVANCED SOFTWARE FEATURE WITH THE POWER STEERING CONTROL MODULE.
SB-16-NA-1092016-08-06. Service bulletin. "THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS."
PI-13502015-04-08. Service bulletin. CHEVROLET/BUICK: ELECTRONIC POWER STEERING (EPS) HAVE NEW STEERING GEARS RELEASED AND APPLIED TO NEW CALIBRATIONS. OLD CALIBRATIONS OF EPS ARE COMBINED OLD EPS CALIBRATIONS. MODEL 2013-14 ENCORE, SONIC, TRAX. *PE