Condition(s) affecting the thermal management system have reduced cabin heating and/or cooling performance or made cabin heating and/or cooling unavailable.
<0.01% (Extremely rare)
None displayed
Cabin heating and/or cooling performance may be limited, or cabin heating and/or cooling may be unavailable.
Condition(s) affecting the thermal management system have reduced cabin heating and/or cooling performance or made cabin heating and/or cooling unavailable.
May set due to many possible conditions affecting thermal management system functionality. Alert log signal data should provide information on specific condition(s).
Condition(s) affecting thermal management system functionality no longer detected.
Semitruck
service
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