Car Problem Reports

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

Pontiac Bonneville Problem
5 Reports
Me Too

Model Years Affected: 2003, 2004, 2005

Average Mileage: 156,543 mi (122,000 mi - 195,000 mi)


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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