Conditions for diagnostic trouble code (DTC):
1) The component is stuck in opened position
Observable symptoms
1) Engine does not reach normal operating temperature
Probable cause
1) The thermostat may have seized in open position if the engine has been warmed up too slowly
Detailed information
1) By comparing calculated and measured coolant temperature on a hot engine, one can determine if engine warm-up occurred sufficiently fast
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Volvo All Engines (2017 Emissions) Fault Code: P222900 PID: EMS Barometric Pressure Circuit High
All Engines (2017 Emissions)