Spartan Chassis is recalling certain model year emergency rescue transport vehicles equipped with an electronic stability control (ESC) manufactured from April 12, 2007, through September 0, 2011. The ESC module may cause the ESC system to activate unnecessarily when the vehicle is drive in a particular manner on certain unique road conditions and may adversely affect the slip angle calculation by the ESC module. This might cause the ESC to perceive an over steering situation and therefore apply the front axle outer wheel service brake until the vehicle is perceived to be stable by the ESC. These conditions could increase the risk of a crash.
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