Blend Door Actuator Circuit - Passenger Side
2000-2002 Rolls-Royce Corniche 6.75L V8 🇨🇦
Description
Malfunction in the passenger side blend door actuator for dual-zone climate systems.
Symptoms
- Passenger side blows only hot or cold
- Temperature disparity between sides
- Clicking from dash passenger side
Common Causes
- Faulty actuator
- Blend door binding
- Stripped actuator gears
- Wiring issue
Diagnostic Steps
- Test actuator operation
- Check for mechanical binding
- Inspect actuator gears
- Test wiring
- Scan HVAC module
Repair Notes
Replace passenger blend door actuator.
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0623 on Other Vehicles
Rolls-Royce Cullinan
2019-2024 6.75L V12 Twin Turbo
Rolls-Royce Dawn
2016-2024 6.6L V12 Twin Turbo
Rolls-Royce Ghost
2010-2024 6.6L V12 Twin Turbo
Rolls-Royce Phantom VII
2003-2017 6.75L V12
Rolls-Royce Phantom VIII
2018-2024 6.75L V12 Twin Turbo
Rolls-Royce Silver Seraph
1998-2002 5.4L V12
Rolls-Royce Spectre
2023-2024 Electric AWD
Rolls-Royce Wraith
2014-2024 6.6L V12 Twin Turbo
Common Questions
What does code B0623 mean on a 2000-2002 Rolls-Royce Corniche?
B0623 stands for "Blend Door Actuator Circuit - Passenger Side". Malfunction in the passenger side blend door actuator for dual-zone climate systems.
What are the symptoms of B0623 on a Rolls-Royce Corniche?
Common symptoms of B0623 include: Passenger side blows only hot or cold, Temperature disparity between sides, Clicking from dash passenger side.
What causes B0623 on a 2000-2002 Rolls-Royce Corniche?
Common causes of B0623 include: Faulty actuator, Blend door binding, Stripped actuator gears, Wiring issue.