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April 19, 2018 Service bulletin

Subject: Air-conditioning control unit (also control panel/switch console) Symptom: Reduced or no cooling...

Porsche technical service bulletin 122-Q4A9M-05 for 2017-2018 Porsche 718 Boxster.

Bulletin number
122-Q4A9M-05
Component
Equipment: appliance: air conditioner
Summary
Subject: Air-conditioning control unit (also control panel/switch console) Symptom: Reduced or no cooling air flow from the air conditioning system. Cause: Too much condensation can be produced while cooling the vehicle. The condensation freezes and causes the evaporator to ice up. Remedial Action: Re-program the air-conditioning control unit by entering the campaign number. The evaporator temperature is increased slightly to reduce the build-up of condensation.

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