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Service bulletin 4127

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 id10020217
Published by NHTSA2006-08-18
Manufacturer's number4127
Replaces4127D
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST SYSTEM

NHTSA's summary

LOSS OF POWER STEERING ASSIST AT HIGH ENGINE RPM. *TT UPDATED 08-15-07. *KB UPDATED ON 10/03/07. *NJ

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

Steering, Power steering

Vehicles listed
CHEVROLET MALIBU2004, 2005, 2006, 2007
CHEVROLET MALIBU MAXX2004, 2005, 2006 (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.

Recalls for the same vehicles and component
15V0640002015-02-04. STEERING:ELECTRIC POWER ASSIST SYSTEM
14V1530002014-03-31. 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
PI0800A2018-05-21. Service bulletin. This preliminary informational bulletin provides a procedure to reprogram the electronic power steering control module for comments regarding a indicator lamp illuminated and DTC C0544 and U0415 set.
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.
153562017-01-30. Service bulletin. 15356 - SPECIAL COVERAGE. ON SOME 2007-2012 MODEL YEAR CHEVROLET MALIBU, PONTIAC G6, AND SATURN AURA VEHICLES EQUIPPED WITH ELECTRIC POWER STEERING ASSIST (EPS), THE STEERING COLUMN TORQUE SENSOR OR THE EPS MOTOR/CONTROLLER MAY CAUSE THE VEHICLE TO SUDDENLY LOSE EPS. IF THE VEHICLE LOSES EPS, THE VEHICLE’S DRIVER INFORMATION CENTER WILL DISPLAY A WARNING MESSAGE AND A WARNING CHIME WILL BE HEARD. THE VEHICLE WILL REVERT TO A MANUAL STEERING MODE, WHICH REQUIRES GREATER DRIVER EFFORT TO OPERATE AT LOW VEHICLE SPEEDS. DEALERS ARE TO REPLACE THE STEERING COLUMN TORQUE SENSOR OR EPS MOTOR/CONTROLLER BASED ON DTC. THE REPAIRS WILL BE MADE AT NO CHARGE TO THE CUSTOMER.
SB-0000188787-A2016-03-31. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-153562015-11-24. Service bulletin. PONTIAC/SATURN/CHEVROLET: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. SOME VEHICLES WILL SUDDENLY LOSE ELECTRIC POWER STEERING ASSIST (EPS) DUE TO STEERING COLUMN TORQUE SENSOR OR EPS MOTOR/CONTROLLER AND DRIVER INFORMATION CENTER WILL HAVE WARNING MESSAGE ALONG WITH WARNING CHIME SOUND. MODEL 2007-12 MALIBU, AURA, G6. *PE
SB-07-02-32-002N2013-11-29. Service bulletin. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. MODEL 2010-14 LACROSSE, 2011-14 REGAL, 2007-14 ESCALADE, SUBURBAN, TAHOE, YUKON, YUKON XL, YUKON DENALI, YUKON DENALI XL, 2013-14 XTS, 2005-14 MALIBU, 2007-13 AVALANCHE, SILVERADO, SIERRA, 2006-10 G6, 2007-09 AURA. *PE
SB-101832010-08-30. Service bulletin. SATURN PONTIAC CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-POWER STEERING ASSIST. SOME VEHICLES EQUIPPED WITH ELECTRIC POWER STEERING MAY EXPERIENCE A LOSS OF POWER STEERING ASSIST CAUSED BY ELECTRICAL INPUT SIGNALS WITHIN THE STEERING COLUMN ASSEMBLY. *PE UPDATED 6/18/2012 *JS
08-02-32-0052008-08-29. Service bulletin. LOSS OF POWER STEERING ASSIST, POWER STEERING WARNING MESSAGE DISPLAYED IN DIC, IPC/RADIO DISPLAYS ERRATIC, DTC C0900, B1325 SET (REPLACE IGNITION COIL/MODULE ASSEMBLY AND ADD GROUND STRAP). VEHICLES WITH 3.5L ENGINE. *PE UPDATED 3/25/11. *PE
061472006-12-08. Service bulletin. PRODUCT ENHANCEMENT FOR INVENTORY VEHICLES ONLY - POWER STEERING HOSE CONTACT. *KB
0602320022006-03-16. Service bulletin. NORMAL OPERATING CHARACTERISTICS OF ELECTRIC POWER STEERING (EPS) SYSTEM DURING EXTENDED LOCK-TO-LOCK (MAXIMUM STEERING WHEEL ROTATION) USAGE. *TT UPDATED 3/30/11. *PE