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Service bulletin PI0800A

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 id10137450
Published by NHTSA2018-05-21
Manufacturer's numberPI0800A
Manufacturer's date2012-11-08
NHTSA componentSTEERING:ELECTRIC POWER ASSIST SYSTEM

NHTSA's summary

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.

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

Trouble codes named

C0544, U0415

Vehicles listed
BUICK LACROSSE2006
CHEVROLET EQUINOX2006
CHEVROLET MALIBU2006
CHEVROLET T SERIES2006
GMC ENVOY DENALI2006 (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
05V4550002005-10-05. 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
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.
SB-0000188787-A2016-03-31. Service bulletin. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
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
SB-06-02-32-013B2010-03-26. Service bulletin. SAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY. ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING CONDITIONS HAS INDICATED A HIGH NUMBER OF NO TROUBLE FOUND RESULTS. ALL 1997-2010 VEHICLES AND LIGHT TRUCKS; 2010 AND PRIOR HUMMERS H2/H3 AND SAAB 9-7X VEHICLES. *PE
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
41272006-08-18. Service bulletin. LOSS OF POWER STEERING ASSIST AT HIGH ENGINE RPM. *TT UPDATED 08-15-07. *KB UPDATED ON 10/03/07. *NJ
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
39382006-03-15. Service bulletin. POWER STEERING LINE RETAINER NOT FASTENED. *TT
37952006-02-23. Service bulletin. ELECTRIC STEERING IS INOPERATIVE WITH C0545. *AK