Tl* the contact owns a 2003 gmc sierra 2500. the contact stated while driving the service brake light illuminated. the vehicle was taken to a local mechanic who performed a diagnostic test that located the failure within the brake and fuel lines. the brake and fuel lines were corroded which caused the brake fluid and fuel to leak. a complaint was filed with the manufacturer. the vehicle was not repaired. the vin was not available. the failure and current mileage was 76,000.