DTC P0154 Buick

Description

The Rear A C Heater Control works in conjunction with the A C Heater Control to control the rear blower motor, rear temperature control and rear mode control. The Rear A C Heater Control is constantly monitored by the A C Heater Control for proper operation. If the monitored signal circuits are out of a calibrated range a DTC will set. For further information (Refer to Heating and Air Conditioning Controls CONTROL, A C and Heater - Description)(Refer To List 1)< a>.