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September 5, 2017 Service bulletin

Urea Quality Sensor (UQS) Supplemental Diagnostic and Service Information; only models with SCR...

Workhorse technical service bulletin IK0700096 for 2011 Workhorse W22, 2013 Holiday Rambler Endeavor and 2013 Holiday Rambler Ambassador and others.

Bulletin number
IK0700096
Component
Electrical system
Summary
Urea Quality Sensor (UQS) Supplemental Diagnostic and Service Information; only models with SCR Aftertreatment system and N9, N10, N13, A26 or Cummins ISB, ISL, ISX engines built from January 2016

Owners of these vehicles have filed 40 complaints in the electrical category.

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