NHTSA Complaint #10266771 — 2005 CHEVROLET SILVERADO 2500

RECEIVE AN INTERMITTENT "SERVICE BRAKE SYSTEM" WITH ABS & PARK BRAKE DASH LIGHT ILLUMINATED, AND THE AURAL ALARM SOUNDS. WHEN THIS HAPPENS THE ABS SYSTEM IS MADE INOPERABLE. THE ERROR DOES NOT CREATE A DTC CODE AND IS NOT STORED ON THE VEHICLE COMPUTER. AN INDEPENDENT SHOP AND THE LOCAL CHEVROLET DEALER COULD NOT IDENTIFY THE DEFECTIVE PART BE. EACH REPLACED THE SPEED SENSOR AND ABS COMPUTER (2 WEEKS APART). THE INDEPENDENT SHOP WAS ABLE TO IDENTIFY THE 200 MILLI-SECOND ELECTRICAL FAULT BUT COULD NOT FIND THE SOURCE. THE INDEPENDENT SHOP UPDATED THE COMPUTER FIRMWARE. SINCE THE ERROR COULD NOT BE RECORDED THE DEALER COULD NOT DO ANYTHING ELSE AND GAVE UP. THE PROBLEM CONTINUES. IF IT IS RAINING OR IT IS WARM SPRING DAY THE ERROR HAPPENS EVERY COUPLE OF MILES. IT APPEARS TO BE TIED TO THE THROTTLE AND DOES NOT REACT TO ANY OTHER VEHICLE CONDITION. IT REACTS AT CONSTANT THROTTLE WHEN THE FOOT IS REMOVED OR REDUCED PRESSURE ON THE THROTTLE PEDAL. *TR