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Home/DTC Codes/Aston Martin/DB9/2004-2016 6.0L V12/B0623
B0623

Blend Door Actuator Circuit - Passenger Side

2004-2016 Aston Martin DB9 6.0L V12

Moderate SeverityBodyGeneric (SAE)

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

  1. Test actuator operation
  2. Check for mechanical binding
  3. Inspect actuator gears
  4. Test wiring
  5. Scan HVAC module

Repair Notes

Replace passenger blend door actuator.

Related Codes

B0622Blend Door Actuator Circuit - Driver SideB0624Mode Door Actuator Circuit

Other Body Codes

B0623 on Other Vehicles

Aston Martin DB11

2016-2024 4.0L V8 Twin Turbo

Aston Martin DB11

2016-2024 5.2L V12 Twin Turbo

Aston Martin DB7

1994-2003 3.2L I6 Supercharged

Aston Martin DBS Superleggera

2019-2024 5.2L V12 Twin Turbo

Aston Martin DBX

2020-2024 4.0L V8 Twin Turbo

Aston Martin Vantage

2005-2024 4.7L V8

Aston Martin Vantage

2018-2024 4.0L V8 Twin Turbo

Common Questions

What does code B0623 mean on a 2004-2016 Aston Martin DB9?

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 Aston Martin DB9?

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 2004-2016 Aston Martin DB9?

Common causes of B0623 include: Faulty actuator, Blend door binding, Stripped actuator gears, Wiring issue.

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