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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (6.7L Diesel - DTCS - P0008 To P040C - 3500 Cab & Chassis) >> Diagnosis and Testing >> P0128-Thermostat Rationality >> Code Description >> Set Condition:

Set Condition:

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The coolant temperature does not rise above a calibrated amount over a calibrated amount of time.