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Service bulletin PI1521A

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 id10126351
Published by NHTSA2017-12-22
Manufacturer's numberPI1521A
Manufacturer's date2015-10-05
NHTSA componentSTEERING:ELECTRIC POWER ASSIST SYSTEM

NHTSA's summary

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.

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

Steering, Power steering

Vehicles listed
BUICK LACROSSE2013, 2014, 2015, 2016
BUICK REGAL2013, 2014, 2015, 2016
BUICK VERANO2012, 2013, 2014, 2015
CADILLAC ELR2014, 2015, 2016
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015
CHEVROLET EQUINOX2010, 2011, 2012, 2013, 2014, 2015, 2016
CHEVROLET IMPALA2014, 2015, 2016
CHEVROLET MALIBU2013, 2014, 2015, 2016
CHEVROLET VOLT2011, 2012, 2013, 2014, 2015
GMC TERRAIN2010, 2011, 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
16V1080002016-02-24. STEERING:ELECTRIC POWER ASSIST SYSTEM
14V4500002014-07-23. STEERING:ELECTRIC POWER ASSIST SYSTEM

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
PIT5076C2023-12-26. Service bulletin. Learning Issues When Repairing Service Stability/Traction Message.
120232002A2023-12-04. Service bulletin. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Pressure Hose During Extreme Low Temperature Operation (Replace Power Steering Fluid)
172462019-04-22. Service bulletin. 17246 - Service Update. Vehicles that have been serviced for an electric power steering (EPS) motor condition, may have had the motor installed/reinstalled with the incorrect fastener torque, resulting in insufficient clamp load. Dealers are to tighten the fasteners to the revised specification, to achieve the specified torque.
13-02-32-001B2018-05-29. Service bulletin. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
PI12942018-05-29. 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.
13-02-32-001C2018-05-29. Service bulletin. This technical bulletin provides a procedure to repair any power steering leak that may be caused from extremely low temperatures and use the recommended fluid.
PI0814D2018-05-07. Service bulletin. This preliminary bulletin provides a procedure to replace the power steering hose, generator and evaporative hose to correct the customers concern of steering shudder at low speeds.
PI10042018-04-23. Service bulletin. This preliminary informational bulletin provides information for Malfunction Indicator Lamp (MIL) On, Service StabiliTrak, Power Steering or Vehicle Soon Message Displayed on DIC.
PI0800B2018-04-23. Service bulletin. This preliminary informational bulletin provides a revision for PI0800A to update the Warranty Information.
PI0814B2018-04-23. Service bulletin. This preliminary information bulletin provides a procedure to install a revised generator, power steering gear inlet hose and evap. hose to correct steering wheel shudder during low speed maneuvers.