Investigations
| NHTSA ID | Manufacturer | Date open | Date close | Subject | Recall campaign | |
|---|---|---|---|---|---|---|
| VEHICLE SPEED CONTROL - LINKAGES | ||||||
| EA02015 | GENERAL MOTORS CORP. | 08/01/2002 | 01/12/2004 | THROTTLE 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 date | miles | occurences | Purchase date |
|---|---|---|---|
| VEHICLE SPEED CONTROL | |||
| 12/12/2006 | 24000 | 3 | 08/24/2006 |
| Dt*: the contact stated while driving various speeds, the check engine and reduced engine power light illuminated followed by the vehicle operating at a reduced speed. the vehicle was inspected by a dealer who determined the throttle control module and app sensor assembly of the engine needed to be replaced. after the initial replacement, the problem persisted. the vehicle was inspected by a dealer who determined the throttle control module and app sensor assembly needed replaced again. afterwards the second repair, the problem continued to persist. the manufacturer was alerted. | |||
| VEHICLE SPEED CONTROL - CRUISE CONTROL | |||
| 10/01/2004 | 45000 | 1 | |
| Complaint against general motor corporation. *bf the consumer complained that his vehicle came off the assembly line with a defect in the voltage to bulb configuration that caused the bulbs to burn out. *tc the cruise control began to malfunction at 45000 miles. the tires lose air periodically (second set). the running board lights failed. *nm | |||