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B0264

B0264 - Air Flow Control 6 Circuit Range/Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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B0264 Possible Causes

  • Faulty Mode Actuator
  • Mode Actuator harness is open or shorted
  • Mode Actuator circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
  What does this mean?

First diagnose B0264 code

    Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the B0264 code

    Labor: 1.0

    The cost of diagnosing the B0264 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

B0264 Possible Symptoms

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

B0264 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 B0264 - Air Flow Control 6 Circuit Range/Performance - AutoCodes.com

B0264 More Information

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B0264 Information for specific makes

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