Commander 4WD V8-4.7L VIN P Flex Fuel (2007)
Thermostat: Testing and Inspection
THERMOSTAT - Testing
ON-BOARD DIAGNOSTICS
All models are equipped with On-Board Diagnostics for certain cooling system components. If the powertrain control module (PCM) detects low engine
coolant temperature, it will record a Diagnostic Trouble Code (DTC). For other DTC numbers, Refer to ON-BOARD DIAGNOSTICS - OPERATION.