DTC U180F Cadillac
Rear Blend Request Input Circuit Low
Rear Blend Request Input Circuit Low
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.
Cause and Solution
REAR A C HEATER CONTROL DISCONNECTEDREAR BLEND SIGNAL CIRCUIT SHORTED TO GROUNDREAR BLEND SIGNAL CIRCUIT OPEN5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND5 VOLT SUPPLY CIRCUIT OPENREAR A C HEATER CONTROLA C HEATER CONTROL
Video Guide
Diagnostic Info
- DTC Code: U180F
- Brand: Cadillac