![]() If the ambient air temperature is below 4.4☌ (40☏) and a jammed condition is detected, the smart module will assume the shutters are frozen and will not illuminate the MIL or set a DTC. I did try that and it would never get up to temp. No need for any bleeder screw or removing the temp sensor. If this condition is detected when the ambient air temperature is greater than 4.4☌ (40☏) the MIL will illuminate and a Diagnostic Trouble Code (DTC) will set. Run it with the coolant tank cap off with the throttle bumped up when it hits OP temp just wait for te bubbles to stop in the tank i usually run it about 5 mins after the last bubble just to be sure. If it is, turn off the engine and check the coolant level inside the reservoir. Step 3: Check to see if the check engine or low coolant level light is illuminated. If the AGS smart module detects the grill shutters are jammed, it will attempt to free them by cycling the shutters from the open to close positions 3 times. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. If the ambient air temperature is below 4.4☌ (40☏) and a jammed condition is detected, the smart module will assume the shutters are frozen and will not illuminate the MIL or set a DTC." If this condition is detected when the ambient air temperature is greater than 4.4☌ (40☏) the MIL will illuminate and a Diagnostic Trouble Code (DTC) will set. ![]() Engine coolant temperature sensor (ect) (located at the front of engine). Please verify the correct mopar part number before ordering. If the AGS smart module detects the grill shutters are jammed, it will attempt to free them by cycling the shutters from the open to close positions 3 times. Decem6.4 Hemi Coolant Temp Sensor Location. The shutters will cycle to the fully open position and then to the fully closed positions to initialize and learn the hard stops on the grill shutter frame for each key cycle. Engine Oil Filter Adapter And Cooler 6.4L 6.4L V8 Heavy Duty HEMI MDS Engine. The Engine Coolant Temperature (ECT) sensor location 4.7L-engine shown 3.7. To perform the AGS validation, start the engine and observe the grill shutters. Ram Truck 1500, 2500 & 3500 (2006-2008) Coolant Temperature Sensor Repair Guide Fig. The initialization can be used as a quick way to validate the operation of the AGS. The Active Grill Shutters perform an initialization each time the vehicle is started. ![]() "The Active Grill Shutter (AGS) system is controlled by the Powertrain Control Module (PCM) over a dedicated network Local Interconnect Network (LIN) bus. Repair Urgency: Get this code fixed withing the next month to prevent the potential for overheating. The whole cooling system works as a unit. What Does Code P0128 Mean Dodge P0128 definition: Coolant Thermostat Temperature Below Regulating Temperature Issue Severity: LOW Continued driving for a short period of time is okay. I wouldn't try disabling them though as the ECM monitors them and will set codes/CEL for problems. I've always pondered if tow/haul mode either keeps the shutters open or leaves them open longer to compensate for the additional thermal load. While towing I also have tow/haul mode engaged. Mine also seems to run cooler when towing and pulling hills. ![]()
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