2001 Pontiac Bonneville Q&A
2001 Pontiac Bonneville Question: how to fix the stuck passenger temperature control. Its stuck in the heat mode
Sounds like you have a blend door issue. Neil Bilodeau SAF-T Auto Centers Wallingford, CT 06492 www.saftauto.com - neilbilodeau
The mode and temperature door actuators may fail causing improper air flow or temperature output from the heating and AC (HVAC) system.