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Diagnostic Trouble Code Index DTC: Automatic Temperature Control Module (ATCM) -- Range Rover/L405
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Diagnostic Trouble Code Index - DTC: Automatic Temperature Control Module (ATCM) (G2164849)
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DTC B1DBD-11: Battery Heater Coolant Diverter Valve - Circuit short to ground
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Action
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DTC B1DBD-11: Battery Heater Coolant Diverter Valve - Circuit short to ground: Action
Refer to the appropriate system wiring diagrams and check the battery heater coolant diverter valve signal circuit for short circuit to ground