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Home >> Dodge and Ram >> 2024 >> ProMaster 2500 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 61 (Electric Vehicle Control Unit Module (EVCU) - DTCS U046C-00 To U1009-00) >> DTC Troubleshooting >> U0623-00 Lost Communication With Coolant Pump "A" >> VF-BEV Cooling System Architecture

VF-BEV Cooling System Architecture

WARNING: This page is about a different car, the 2024 RAM ProMaster EV. However, it is still accessible from the selected car via links, so may be relevant.
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1 - Coolant Temperature Sensor - HV Coolant Heater Input
2 - Electric Coolant Pump
3 - Coolant Temperature Sensor - HV Coolant Heater Output
4 - Coolant Temperature Sensor - Radiator Output
5 - Coolant Temperature Sensor - Radiator Input
6 - Coolant Level Sensor - Low Temp
7 - Electric Coolant Pump
8 - Electric Coolant Pump
9 - 3 Way Valve

There are three different types cooling systems on this vehicle. A High Temperature Cooling Loop, a Low Temperature Cooling Loop, HV Battery Cooling Loop, with an A/C Chiller. Cooling pumps are used to pump coolant through the cooling loop and various temp sensors are used to monitor the cooling system for concerns.