B0225 - Recirculate Position Command Circuit Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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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)

B0225 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 B0225 - Recirculate Position Command Circuit Low - AutoCodes.com

B0225 Information for specific makes

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B0225 Comments

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