B0660low severityBody
Rear HVAC Blower Motor Circuit
on 2013 Cadillac ATS 2.5L I4 · RWD
What this code means
Malfunction in the rear HVAC blower motor circuit for vehicles with rear climate control.
Symptoms
- Rear blower not working
- Rear blower only works on some speeds
- Rear blower noisy
- No air to rear passengers
Common causes
- Faulty rear blower motor
- Rear blower resistor failure
- Wiring damage
- Rear HVAC control panel fault
- Blown fuse
Diagnostic steps
- Check rear blower fuse
- Test rear blower motor
- Check rear blower resistor
- Test rear control panel
- Inspect wiring
Repair notes
Replace rear blower motor or resistor.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open