B0268 - Air Flow Control 7 Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What does this mean?

Possible causes

  • Faulty Recirculation Actuator
  • Recirculation Actuator harness is open or shorted
  • Recirculation Actuator circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
  • Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • B0268 Description

    Stepper motors are used for temperature regulation, air distribution control and recirculation door control. With the switches and dials on the HVAC controls, air temperature door position, mode door position and recirculation door position can be selected. The selected values are passed to the Heating, Ventilation, and Air Conditioning (HVAC) Control Module via serial data. The HVAC control module supplies a 12 V reference voltage to the stepper motors and energizes the 4 stepper motor coils with a pulsed ground signal. The stepper motors move the appropriate doors into the calculated positions, in order to reach the desired positions.
    OBDII Code B0268 - Air Flow Control 7 Circuit - Engine-Codes.com

    B0268 Information for specific makes

  • B0268 BUICK Air Flow Control 7 Circuit
  • B0268 CADILLAC Air Flow Control 7 Circuit
  • B0268 CHEVROLET Air Flow Control 7 Circuit
  • B0268 GMC Air Flow Control 7 Circuit
  • B0268 PONTIAC Air Flow Control 7 Circuit
  • B0268 SATURN Air Flow Control 7 Circuit
  • Related Information

    Repair Importance Level: 3
     
    1=Low 2=Medium 3=High  
    Repair Difficulty Level: 3
     
    1=Easy 2=Moderate 3=Hard  

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