Commander 4WD V8-4.7L VIN N (2006)
Thermostat: Testing and Inspection
THERMOSTAT
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).
The DTC can also be accessed through the DRB scan tool.
