Rear HVAC Temperature Control Circuit
2003-2005 Ford Excursion 6.0L V8 Power Stroke Diesel
Description
Malfunction in the rear HVAC temperature control actuator or circuit.
Symptoms
- Rear climate stuck on hot or cold
- Rear temperature not adjusting
- Clicking from rear HVAC unit
Common Causes
- Faulty rear blend door actuator
- Rear HVAC control module fault
- Wiring issue
- Blend door binding
Diagnostic Steps
- Test rear blend door actuator
- Check rear HVAC control module
- Inspect wiring
- Scan for rear HVAC codes
Repair Notes
Replace rear blend door actuator or rear HVAC control module.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0661 on Other Vehicles
Ford Bronco
2021-2024 2.3L I4 EcoBoost
Ford Bronco
2021-2024 2.7L V6 EcoBoost
Ford Bronco Raptor
2022-2024 3.0L V6 EcoBoost
Ford Bronco Sport
2021-2024 1.5L I3 EcoBoost
Ford Bronco Sport
2021-2024 2.0L I4 EcoBoost
Ford Crown Victoria
1998-2011 4.6L V8 Modular 2V
Ford E-150
1997-2014 4.6L V8 Triton
Ford E-150
1997-2014 5.4L V8 Triton
Common Questions
What does code B0661 mean on a 2003-2005 Ford Excursion?
B0661 stands for "Rear HVAC Temperature Control Circuit". Malfunction in the rear HVAC temperature control actuator or circuit.
What are the symptoms of B0661 on a Ford Excursion?
Common symptoms of B0661 include: Rear climate stuck on hot or cold, Rear temperature not adjusting, Clicking from rear HVAC unit.
What causes B0661 on a 2003-2005 Ford Excursion?
Common causes of B0661 include: Faulty rear blend door actuator, Rear HVAC control module fault, Wiring issue, Blend door binding.