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Home/DTC Codes/Pontiac/Sunfire/1995-2005 2.2L I4/B0623
B0623

Blend Door Actuator Circuit - Passenger Side

1995-2005 Pontiac Sunfire 2.2L I4

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

Pontiac Aztek

2001-2005 3.4L V6

Pontiac Bonneville

2000-2005 3.8L V6

Pontiac Bonneville GXP

2000-2005 4.6L V8

Pontiac Bonneville GXP

2000-2005 4.6L V8 Northstar

Pontiac Firebird

1998-2002 3.8L V6

Pontiac Firebird

1998-2002 5.7L V8 LS1

Pontiac Firebird Trans Am

1998-2002 5.7L V8 LS1

Pontiac Firebird Trans Am WS6

2002-2002 5.7L V8 LS1

Common Questions

What does code B0623 mean on a 1995-2005 Pontiac Sunfire?

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 Pontiac Sunfire?

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 1995-2005 Pontiac Sunfire?

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

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