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GMC Sonoma Recall 99I006000

Brakes, December 10, 1999

Original Recall from the NHTSA

Model Year(s)
Manufacturer's Report Date
December 10, 1999
NHTSA Action Number
EA94038
Potential Number of Units Affected
2,400,000
NHTSA CAMPAIGN ID Number
99I006000
Component
SERVICE BRAKES, HYDRAULIC:ANTILOCK

Summary
THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. VEHICLE DESCRIPTION: CERTAIN LIGHT DUTY PICKUP TRUCKS, SPORT UTILITY VEHICLES, OR MINIVANS EQUIPPED WITH 3-SENSOR ABS (ANTILOCK BRAKING SYSTEM) EBC4 UNITS.
Consequence
THESE VEHICLES CAN EXPERIENCE EXTENDED STOPPING DISTANCES DURING ABS STOPS ON CERTAIN MULTIPLE SURFACES, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL MODIFY THE COMPUTER PROGRAM WHICH OPERATES THE ABS UNIT ON SOME VEHICLES, OR REPLACE THE COMPUTER ON OTHERS TO IMPROVE THE PERFORMANCE OF THE ABS ON THESE SURFACES.
Notes
ON VEHICLES WHICH REQUIRED THE COMPUTER PROGRAM TO BE MODIFIED, OWNER NOTIFICATION HAS BEGAN.FOR VEHICLES WHICH REQUIRE A NEW COMPUTER MODULE, GM HAS SCHEDULED OWNER NOTIFICATIION TO BEGIN DURING THE LAST WEEK OF MAY 2000.A PHASED MAILING WILL BE REQUIRED, WITH THE LAST MAILING SCHEDULED TO BE COMPLETED BY DECEMBER 2000.OWNERS CAN CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.
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