TSB Document:

• MC-10112684-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary

This Preliminary Information communication provides information to the technician about vehicles that may have Diagnostic Trouble Code P2181 set. Technician will need to use a Technician 2 and test the engine coolant thermostat heater. If the coolant temperature does not reach 195 Fahrenheit (90 Celsius) within 5 minutes, replace the thermostat. Technician should also check to ensure the calibrations are up to date.

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