Car Problem Reports

Pontiac Bonneville Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

 
Pontiac Bonneville Problem
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Model Years Affected: 2003, 2004, 2005

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One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

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