Electronic stability control (ESC)
- Component
- Electronic stability control (ESC)
- Manufacturer
- DAIMLER TRUCKS NORTH AMERICA
- Vehicles affected
- 4,444
- Reported to NHTSA
- 2011-09-08
- Owners notified
- 2012-03-28
Defect description
DAIMLER TRUCKS IS RECALLING CERTAIN MODEL YEAR 2006-2012 FREIGHTLINER BUSINESS CLASS M2, CASCADIA, CENTURY, COLUMBIA, CORONADO AND STERLING A-LINE VEHICLES BUILT WITH MERITOR WABCO ELECTRONIC STABILITY CONTROL (ESC) SYSTEM MANUFACTURED FROM SEPTEMBER 15, 2005 THROUGH SEPTEMBER 1, 2011. UNDER CERTAIN ROAD AND DRIVING CONDITIONS, VEHICLE BODY ROLL AND ROAD INCLINATION CHARACTERISTICS MAY ADVERSELY AFFECT THE SLIP ANGLE CALCULATION OF THE ELECTRONIC STABILITY CONTROL (ESC) SYSTEM. THIS MIGHT CAUSE THE ESC TO PERCEIVE AN OVER STEERING SITUATION AND THEREFORE APPLY THE OUTER WHEEL BRAKE ON THE FRONT AXLE UNTIL THE VEHICLE IS PERCEIVED TO BE STABLE.
Safety risk
IF THE DRIVER IS SLOW TO REACT DURING THIS ESC INTERVENTION, THE VEHICLE MAY DEVIATE FROM THE INTENDED LINE OF TRAVEL INCREASING THE RISK OF A CRASH.
Manufacturer remedy
DAIMLER TRUCKS WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE ESC MODULE WITH THE APPROPRIATE SOFTWARE VERSION AS NECESSARY, FREE OF CHARGE. AN INTERIM OWNER NOTIFICATION WILL BE MAILED ON OR ABOUT NOVEMBER 21, 2011. THE DATE FOR AVAILABILITY OF THE FINAL REMEDY IS SUBJECT TO VALIDATION TESTING AND PARTS AVAILABILITY. THE SAFETY RECALL BEGAN ON MARCH 28, 2012. OWNERS MAY CONTACT DAIMLER TRUCKS TOLL-FREE AT 1-800-547-0712.