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Buick Engineering Analysis EA12004: Driver's Master Power Window Switch
2006 Buick Rainier
Driver's Master Power Window Switch
Electrical System
Visibility:Power Window Devices And Controls
- Summary
- On August 15, 2012 General Motors (GM) announced a regional recall action (12V-406) involving model year (MY) 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Isuzu Ascender and MY2005-2007 SAAB 9-7x vehicles originally sold or currently registered in the salt belt states of Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin, and the District of Columbia. The recall remedy requires the inspection and repair or replacement of the master power window switch, which GM refers to as a driver door module (DDM). At the same time, GM implemented a special coverage program to replace failed DDMs for vehicles registered outside of these states. ODI was not satisfied with GM's exclusion of non-salt belt vehicles and continued its investigation. On June 13, 2013, GM submitted a related recall notification (13V-248) to reclassify the initial special coverage program into a safety recall for vehicles that were not previously repaired under special coverage.The Office of Defects Investigation (ODI) opened Engineering Analysis EA12-004 on June 11, 2012 to further investigate allegations of DDM thermal incidents in model year (MY) 2006-2007 Chevrolet Trailblazer vehicles. Thermal incidents involve cases where fire-related events such as smoke and melt are present. ODI has received 170 reports alleging a thermal event occurred. Complainants stated that the DDM melted and in some cases produced odor and/or smoke. Fourteen of these incidents led to a fire where visible flames were reported or the damage extended significantly beyond the DDM. In addition to the 170 reports listed above, ODI received 63 reports alleging the DDM acted erratically or became inoperative. In response to ODI's Information Request (IR), GM provided 619 unique consumer complaints that related to the alleged problem. Seventy-seven of those reports led to a fire with flame, and 4 reported injuries of smoke inhalation and/or slight burns from contact with hot switches. GM also submitted 20,400 warranty claims for replacement of the DDM, most of which involved inoperative switches. The problem condition is caused by fluids, such as rain water, entering the driver's door module and subsequently causing corrosion that could result in an electrical short in the printed circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. However, the electrical short may also cause overheating that could melt components of the door module, producing odor, smoke or in some cases fire with flame. The circuit board was redesigned and GM implemented the new design into vehicle production on May 14, 2007. All failures cited above occurred in vehicles produced before this build date (i.e., with the original design DDM). GM also reported that all MY 2006-2007 GMT360/370 platform vehicles and MY 2005 SAAB 9-7x vehicles utilized the same DDM and therefore ODI expanded the subject population to include these vehicles.This investigation is closed on the basis of GM's announcement of safety recalls 12V-406 and 13V-248. The ODI complaints cited above can be reviewed at: www-odi.nhtsa.dot.gov/owners/SearchNHTSAID, see the attached list for ODI numbers.
- Documents (22)
- 54648 - GM 12-14-2012, ATTACHMENT Q3, 5, 8 & 18
- 54651 - GM 12-14-2012, ATTACHMENT Q_03, PART 2 OF 7
- 54652 - GM 12-14-2012, ATTACHMENT Q_03, PART 3 OF 7
- 54654 - GM 12-14-2012, ATTACHMENT Q_03, PART 5 OF 7
- 54656 - GM 12-14-2012, ATTACHMENT Q_03, PART 7 OF 7
- 54661 - GM 12-14-2012, ATTACHMENT Q_09
- 54226 - GM PARTIAL RESPONSE LETTER 11-26-2012 TO ODI
- CLOSING RESUME APPROVED
- GM 12-14-2012 LETTER TO ODI WITH ISUZU 11-6-2012 LETTER TO GM
- 54646 - ODI 11-12-2012 TIME EXTENSION FOR EA12-004 TO GM
- MEMO TO FILE - EA12-004, GMT360/370 DRIVER DOOR MODULE FAILURE. * 03/12/2013 * P
- TEST/SURVEY REQUEST - REGARDING THE DRIVER DOOR MODULE. * 07/16/2012 * P
- OPENING RESUME APPROVED
- 54650 - GM 12-14-2012, ATTACHMENT Q_03, PART 1 OF 7
- 54655 - GM 12-14-2012, ATTACHMENT Q_03, PART 6 OF 7
- 54229 - GM 11-26-2012 ATTACHMENT Q7, 15, GM9110P & GMW3172
- IR TO MFR - PRELIMINARY EVALUATION UPGRADED TO AN ENGINEERING ANALYSIS TO INVESTIGATE ALLEGATIONS OF FAILURE OF THE DRIVER DOOR MODULE. * 10/18/2012 * P
- MFR IR RESPONSE DATA
- MFR IR RESPONSE DATA
- 54653 - GM 12-14-2012, ATTACHMENT Q_03, PART 4 OF 7
- 54228 - GM 11-26-2012 ATTACHMENT Q_01, PRODUCTION DATA [ACCESS DATABASE]
- 54231 - GM 11-26-2012 ATTACHMENT Q_17, REGISTRATION DATA [ACCESS DATABASE
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