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Campaign 11V586 Posted December 14, 2011 98 units

2009-2012 Sutphen Vehicles Recall 11V586: ESC Defect

RN
Reviewed by the RecallNotify editorial team
Published June 2, 2026

Recall 11V586 covers 98 2009-2012 Sutphen vehicles for an ESC module defect involving outer front brake application. Repair is free at any franchised Sutphen dealer.

Sutphen is recalling 98 2009-2012 Chassis, SP95, S1, and other vehicles because the electronic stability control system can misread body roll and road inclination. That false oversteer reading can apply an outer front brake and pull the vehicle from its intended path, increasing crash risk; the Sutphen dealer repair will be free once available.

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What's wrong?

The Electronic Stability Control (ESC) module on affected 2009-2012 Sutphen fire apparatus watches how the vehicle is moving and decides when brake help is needed. It uses sensor data to estimate slip angle, which is the difference between where the vehicle is pointed and where it is actually traveling. When the system reads that movement correctly, it helps the driver regain stability by applying brake force at selected wheels.

On these vehicles, body roll and road slope can distort that slip angle calculation under certain road and driving conditions. The ESC module can read the vehicle as oversteering, which means the rear of the vehicle is swinging wider than intended, even when that is not the actual condition. The system then applies the outer wheel brake on the front axle until it reads the vehicle as stable.

There is no warning sign before failure. The first sign can be an unexpected brake application or stability-control action while the vehicle is being driven.

Who's affected?

Spans the Sutphen Chassis, SP95, 90LR Refurb, Heavy Rescue, SA75, SL75, S4, S3, S1, Pumper, Sph 100, SP70, Rescue, and S2 lines from 2009-2012, all tied to electronic stability control.

2010 Sutphen Chassis Electronic stability control (esc)
2010 Sutphen SP95 Electronic stability control (esc)
2011 Sutphen 90LR Refurb Electronic stability control (esc)
2010 Sutphen 90LR Refurb Electronic stability control (esc)
2012 Sutphen Heavy Rescue Electronic stability control (esc)
Units affected98

A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific truck is included.

What's the safety risk?

During an electronic stability control intervention, a slow driver reaction can let the vehicle move away from its intended path and increase crash risk. Drive cautiously and schedule the repair soon. Repair will be free at any franchised Sutphen dealer once available.

What should I do?

  1. Check your VIN to confirm your 2009-2012 Sutphen vehicle is included in this recall.
  2. Contact Sutphen or Meritor OnTrac customer service before scheduling the free ESC control-module replacement.
  3. Ask the service contact about the control-module repair that addresses false ESC oversteer readings and unintended outer front brake application.
  4. Reference recall number 11V586 when you call or speak with the service desk.
  5. Drive cautiously until the repair is complete. Leave extra room and avoid sharp steering inputs on sloped or uneven roads.

What happens at the repair

At the dealer, a Sutphen technician replaces the electronic stability control module through the Meritor WABCO recall process. That module is part of the system that reads vehicle body roll, road slope, and slip angle before brake intervention. The final dealer repair will be free once Sutphen confirms it is open for the vehicle. Parts and labor are covered under the recall.

Timeline

December 14, 2011 NHTSA published the recall
December 16, 2011 Owner notification mailed

Frequently asked questions

What is recall 11V586?

Recall 11V586 covers 98 2009-2012 Sutphen vehicles with Meritor WABCO electronic stability control modules. Under certain road and driving conditions, the system can misread stability data and apply an outer front brake. Sutphen worked with Meritor WABCO to replace the control module for free.

What should I do if my 2009-2012 Sutphen vehicle is on this recall?

Check your VIN to confirm your specific vehicle is included in recall 11V586. If it is, contact a franchised Sutphen service location and ask for the Meritor WABCO electronic stability control module replacement. Reference recall 11V586 and Meritor WABCO defect report 11E-039 when you call.

Is the recall repair free?

Yes. Federal recall law requires the defect repair at no cost, and Sutphen's remedy says the Meritor WABCO control module replacement is free of charge. Parts and labor are covered through the recall repair path.

What is the safety risk?

The risk is unintended brake intervention from the electronic stability control system. If the driver is slow to react during that intervention, the vehicle can move away from its intended line of travel, increasing crash risk. The fix is the free control module replacement.

Who do I call about recall 11V586?

Call Meritor OnTrac customer service at 1-866-668-7221 for recall 11V586 support. Have the VIN ready, and tell the service desk you are asking about the Meritor WABCO electronic stability control module replacement on a 2009-2012 Sutphen vehicle.

More information

NHTSA campaign pagenhtsa.gov/vehicle-recalls/11V586000
Sutphen customer service1-866-668-7221
NHTSA recall #11V586
NHTSA recall # (full)11V586000

Source documents

This article is generated from NHTSA's primary recall filings and reviewed against the source on June 2, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →