Service bulletin 15-NA-090

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	10112269
Published by NHTSA	2017-08-15
Manufacturer's number	15-NA-090
Manufacturer's date	2016-01-13
NHTSA component	STEERING; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID; ENGINE; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

NHTSA's summary

This technical bulletin provides a procedure to replace the power steering fluid cooling pipe and engine oil cooling pipe for concerns of power steering lines or engine oil lines leaking due to rubbing

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, Steering, Power steering

Vehicles listed
CHEVROLET IMPALA	2012, 2013, 2014, 2015, 2016

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

Recalls for the same vehicles and component
14V450000	2014-07-23. STEERING:ELECTRIC POWER ASSIST SYSTEM
11V398000	2011-08-05. STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PI1294	2018-05-29. Service bulletin. This preliminary bulletin provides a procedure to check the EPS power and ground and reprogram the p/s module to correct the customers concern of the Intermittent Service Power Steering message on.
PI0939	2018-04-23. Service bulletin. This preliminary information bulletin provides a procedure for power steering gear inlet pipe O ring seal replacement due to fluid leaking from the power steering pump area.
12-02-32-002A	2018-04-23. 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.
PI1521A	2017-12-22. Service bulletin. This preliminary informational bulletin provides repair information to correct a customer concern of loss of power steering assist, hard to steer, and/or "Service Power Steering" message on in DIC.
16-NA-007	2017-08-31. Service bulletin. This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of notchy or stick/slip feeling in steering wheel near center position.
PI1294A	2017-08-15. Service bulletin. This preliminary informational bulletin provides repair information on correcting a customer concern of intermittent service power steering message displayed on DIC, and DTC C056D, C0475 or U0131 may be set.
PI1487	2017-08-15. Service bulletin. This preliminary informational bulletin provides diagnostic and repair information to correct a customer concern of IPC gauges sweep, loss of power steering assist, intermittent no crank, reduced engine power and multiple U-codes.
PIC5805B	2017-08-15. Service bulletin. This Preliminary Information communication advises the technician that the electric steering gear part numbers 22978626, 22978628, 23153512, and 23153513 will be placed on restriction through the General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
PIC5805C	2017-08-15. Service bulletin. This Preliminary Information communication advises the technician that the part restriction on the electric power steering gear part numbers: 22978626, 22978628, 23153512, and 23153513 has ended.
PI1521B	2017-03-13. Service bulletin. THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE POWER STEERING FUSE FOR A CONDITION OF LOSS OF POWER STEERING ASSIST AND/OR SERVICE POWER STEERING MESSAGE DISPLAYED.