Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
VEHICLE SPEED CONTROL
0147001/01/200401470A10004413Erratic idle, idle surge, rough run, or near stall. *tt12/05/2003
0133111/18/200310004106Aggressive throttle response. service vme. *tt11/18/2003
VEHICLE SPEED CONTROL - CRUISE CONTROL
307301/01/200410009593Downhill cruise control surge. *tt10/08/2004

Investigations


NHTSA IDManufacturerDate openDate closeSubjectRecall campaign
VEHICLE SPEED CONTROL - LINKAGES
EA02015GENERAL MOTORS CORP.08/01/200201/12/2004THROTTLE STICKING CLOSED
 This investigation involves the general motors corporation (gm)throttle body (tb) utilized in model year (my) 1999-2002 silverado, sierra, tahoe, suburban, avalanche and yukon (subject vehicle(s)) with 4.8l, 5.3l, and 6.0l engines. the tb valve may intermittently stick in a closed position.in such a situation, an operator may apply additional accelerator pedal force to increase engine speed.the application of additional accelerator pedal force, to open a stuck throttle valve, may open the throttle valve more than intended and, in turn, accelerate the engine and vehicle more than intended and reasonably expected by the driver.on august 1, 2002, the office of defects investigation (odi), of the national highway traffic safety administration (nhtsa), opened this engineering analysis.the investigation revealed that two factors may cause the defect: 1) tb manufacturing process problems; and 2) accumulation of deposits (a pcv system by-product) on or around the tb throttle valve and bore.odi concludes that the tb performs in a defective manner after analyzing gm

Consumer Complaints


Fail datemilesoccurencesPurchase date
VEHICLE SPEED CONTROL
04/08/200539000104/02/2005
 Dt: the consumer was in a parking lot driving 10 mph, when all of a sudden the car accelerated. the consumer hit a concrete slab and ripped it out of asphalt, and was up on top of it. the concrete slab was 21/2 x4 feet; the car was still accelerating very loudly. she pulled her foot away and looked and there was nothing touching the gas pedal. she put the vehicle in park and it was still accelerating; pulled the keys out and it turned off. *ak cadillac found carbon in the throttle body. *sc there was no police report, because the incident happened on private property. *jb
03/23/2004415001
 Vehicle acclerated at high rpm on its own. *ak
1
 Consumer stated the cruise control malfunctioned. *yh
510/16/2002
 When the accelerator was depressed, the vehicle lurched forward. *yh the door(s) locked on their own, was unable to coordinate the clutch and accelerator, the cruise control was inoperative, the seat positioner didn't function properly, and the wiper blade was out of place. *scc
VEHICLE SPEED CONTROL - LINKAGES
08/28/200710201/02/2006
 On 08/27/2007 my stability control system light was on in the dash board of my veicle, approached traffic light tried to stop and the brakes would not work, then the vehicle accelarated on its own. for the grace of god i was able to avoid an accident due to the traffic being light. i had my 2002 cadillac escalade towed to the nearest cadillac service shop(ken dixon, waldorf md) in the area at the time. dealer advised an issue with the abs and the stability control uni adv cost of repair $2600 or more, advised by dealer no recall on either of these issues. to date nothing has been done, the dealer still has the vehicle and has yet to return any of my calls in reference to my claim. items of issue service brakes, hydraulic: antilock- control unit/module-components-sensors vehicle speed control -linkage suspension which involves the stability control (asc)