14856 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT FOR BODY-HARNESS AND CHASSIS-HARNESS CONTACT WITH THE BRAKE LINE AND TO SECURE BOTH HARNESSES ON CERTAIN 2015 MODEL YEAR CHEVROLET COLORADO AND GMC CANYON VEHICLES. THE BODY HARNESS AND/OR THE CHASSIS HARNESS MAY HAVE REDUCED CLEARANCE TO OR CONTACT A BRAKE LINE IN THE AREA OF THE BRAKE BOOSTER. THE CONTACT COULD WEAR CERTAIN ELECTRICAL WIRING AND INTERRUPT A POWER OR SIGNAL CIRCUIT. IF THIS OCCURS, A VEHICLEÂ’S REAR LIGHTS, ABS, VSES, TRAILER BRAKE, AND FUEL PUMP COULD BE AFFECTED.
