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DTC codes / P0Exx · Hybrid propulsion / P0EE5

P0EE5A/C Refrigerant Distribution Valve B Control Circuit Low

P0EE5 indicates that the powertrain control module (PCM) has detected a low-voltage condition on the control circuit for the air conditioning refrigerant distribution valve B. This valve directs refrigerant flow between the cabin evaporator and other cooling loops, and the PCM expects a specific voltage range on its command wire; a reading below that threshold triggers the code.

SystemPowertrain
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaHybrid propulsion

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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