Buick Enclave air conditioning system flashes and turns off when activated on Buick Enclave

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Buick Enclave owners report experiencing issues with their air conditioning system, such as flashing lights and unexpected shutdowns when activated. These problems can often be attributed to a system leak, which may lead to a lack of coolant and complete AC failure. Additionally, a dirty or clogged condenser can result in ineffective cooling, causing hot air to blow from the vents instead of cold air. Electrical issues are also commonly reported, which can interfere with the air conditioner's operation. In some instances, a refrigerant leak due to a faulty component can further exacerbate the malfunction. To diagnose these issues, some owners have utilized dye testing to identify leaks, highlighting the importance of having the system inspected by a qualified technician for proper repairs and restoration of functionality.

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