The defect
SUTPHEN IS RECALLING CERTAIN MODEL YEAR 2009 THROUGH 2012 VEHICLES AND EQUIPPED WITH MERITOR WABCO ELECTRONIC STABILITY CONTROL (ESC) MODULES. SEE THE LIST ABOVE FOR THE AFFECTED MODELS. 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.
The 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.
The remedy
SUTPHEN IS WORKING WITH MERITOR WABCO TO REPLACE THE CONTROL MODULE FREE OF CHARGE. PLEASE SEE MERITOR WABCO DEFECT REPORT 11E-039. THE SAFETY RECALL BEGAN ON DECEMBER 16, 2011. OWNERS MAY CONTACT MERITOR ON TRACK CUSTOMER SERVICE AT 1-866-668-7221.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| Sutphen 90LR Refurb | 2010, 2011, 2012 |
| Sutphen Chassis | 2010, 2011, 2012 |
| Sutphen Heavy Rescue | 2010, 2011, 2012 |
| Sutphen Pumper | 2010, 2011, 2012 |
| Sutphen Rescue | 2010, 2011, 2012 |
| Sutphen S1 | 2010, 2011, 2012 |
| Sutphen S2 | 2010, 2011, 2012 |
| Sutphen S3 | 2010, 2011, 2012 |
| Sutphen S4 | 2010, 2011, 2012 |
| Sutphen SA75 | 2009, 2010, 2011, 2012 |
| Sutphen SL75 | 2009, 2010, 2011, 2012 |
| Sutphen SP70 | 2009, 2010, 2011, 2012 |
| Sutphen SP95 | 2010, 2011, 2012 |
| Sutphen SPH 100 | 2010, 2011, 2012 |
Components: ELECTRONIC STABILITY CONTROL (ESC)
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Sutphen 90LR Refurb | 2010 | 0 | 1 |
| Sutphen 90LR Refurb | 2011 | 0 | 1 |
| Sutphen 90LR Refurb | 2012 | 0 | 1 |
| Sutphen Chassis | 2010 | 0 | 1 |
| Sutphen Chassis | 2011 | 0 | 1 |
| Sutphen Chassis | 2012 | 0 | 1 |
| Sutphen Heavy Rescue | 2010 | 0 | 1 |
| Sutphen Heavy Rescue | 2011 | 0 | 1 |
| Sutphen Heavy Rescue | 2012 | 0 | 1 |
| Sutphen Pumper | 2010 | 0 | 1 |
| Sutphen Pumper | 2011 | 0 | 1 |
| Sutphen Pumper | 2012 | 0 | 1 |
| Sutphen Rescue | 2010 | 0 | 1 |
| Sutphen Rescue | 2011 | 0 | 1 |
| Sutphen Rescue | 2012 | 0 | 1 |
| Sutphen S1 | 2010 | 0 | 1 |
| Sutphen S1 | 2011 | 0 | 1 |
| Sutphen S1 | 2012 | 0 | 1 |
| Sutphen S2 | 2010 | 0 | 1 |
| Sutphen S2 | 2011 | 0 | 1 |
| Sutphen S2 | 2012 | 0 | 1 |
| Sutphen S3 | 2010 | 0 | 1 |
| Sutphen S3 | 2011 | 0 | 1 |
| Sutphen S3 | 2012 | 0 | 1 |
| Sutphen S4 | 2010 | 0 | 1 |
| Sutphen S4 | 2011 | 0 | 1 |
| Sutphen S4 | 2012 | 0 | 1 |
| Sutphen SA75 | 2009 | 0 | 1 |
| Sutphen SA75 | 2010 | 0 | 1 |
| Sutphen SA75 | 2011 | 0 | 1 |
Other electronic stability control (esc) recalls in 2011
11 of the 597 recall campaigns reported to NHTSA in 2011 concerned the electronic stability control (esc); SUTPHEN CORPORATION filed 5 campaigns in all.
| 11V590000 19 Dec 2011 | NAVISTAR, INC |
| 11V564000 1 Dec 2011 | E-ONE, INC. |
| 11V545000 10 Nov 2011 | HME INCORPORATED |
| 11V527000 1 Nov 2011 | PIERCE MANUFACTURING |
| 11V524000 26 Oct 2011 | MOTOR COACH INDUSTRIES, INC |
| 11V500000 13 Oct 2011 | SPARTAN CHASSIS, INC. |
| 11V515000 13 Oct 2011 | AMERICAN LAFRANCE LLC |
| 11V507000 12 Oct 2011 | FERRARA FIRE APPARATUS, INC |
NHTSA recalls (public domain) · all recalls of 2011