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Home >> Fiat >> 2019 >> 500 Lounge, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 64 ((Heating & Air Conditioning - Electrical Diagnostics - 500 - Electric)) >> DTC Troubleshooting >> B8EF-00-Refrigerant-Shut-Off-Valve-Closed >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different variant/trim than selected.

The A/C Shut Off Valve disables A/C cooling capability to the Cabin when cooling the High Voltage Battery is needed and cabin cooling is not, or when the High Voltage Battery needs full cooling capacity, the shut off valve shuts off cooling capability to the cabin, setting a DTC, and cools the High Voltage Battery only.