1998 CHEVROLET TAHOE — SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

A CURRENT INVESTIGATION ESISTS (PE05-020) FOR UNWANTED ABS BRAKE ACTIVATION ON MODEL YEAR 1999 - 02 GM C/K SERIES VEHICLES IN SALT BELT STATES. THIS INVESTIGATION SHOULD BE FURTHER EXPANDED TO INCLUDE, AT LEAST, MODEL YEAR 1998 AS THIS CONDITION IS ALSO EXHIBITED IN THIS VEHICLE. REFERENCE VEHICLE IS A 1998 CHEVROLET TAHOE WITH 63,000 MILES. CONDITION HAS EXISTED FOR MORE THAN 2 YEARS. DURING THIS TIME REPAIRS WERE MADE TO CORRECT THE PROBLEM, WHICH WERE EFFECTIVE FOR LESS THAN A YEAR. PROBLEM CONDITION HAS RETURNED. PROBLEM HAS RESULTED IN MINOR CONTACT WITH OTHER VEHICLES AND OBJECTS IN THAT A DRIVER CAN NOT PREDICT WHEN THE PROBLEM WILL OCCUR AND BRAKING DISTANCE IS EXTENDED EVEN ON DRY PAVEMENT. SITUATION IS WORSENED WHEN IN "REVERSE" AND PROBLEM OCCURS.