1998 Cadillac Deville, Passenger Side Vents Hot with A/C On

This 1998 Cadillac Deville came in with the complaint that with the a/c on there was heat coming out of the passenger side vents. Codes B1340 and B1341 were present in the HVAC system. Both codes are for faults with the air mix door actuators. The B1340 is for air mix door #1 (driver’s side) … Continue reading “1998 Cadillac Deville, Passenger Side Vents Hot with A/C On”