B0228 GMC - Recirculate Position Feedback Circuit

Repair Importance Level: 3/3

Repair Difficulty Level: 3/3

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Possible causes

Faulty Recirculate Actuator

Recirculate Actuator harness is open or shorted

Recirculate Actuator circuit poor electrical connection

What does this mean?

Tech notes

DTC B0228 02 - Recirculate Position Feedback Circuit Short to Ground
DTC B0228 05 - Recirculate Position Feedback Circuit Short to Battery or Open
DTC B0228 61 - Recirculate Position Circuit Actuator Stuck

What does this mean?

Possible symptoms

Engine Light ON (or Service Engine Soon Warning Light)

B0228 Gmc Description

The Heating, Ventilation, and Air Conditioning (HVAC) control module controls the HVAC door actuators to regulate the airflow through the HVAC system. Each actuator consists of an electric motor and a potentiometer. The module supplies a low reference and 5-volt reference source voltage to the potentiometer. The HVAC control module monitors the voltage drop across the potentiometer on the door position signal circuit. When the actuator shaft rotates, the voltage on the door position signal circuit changes. The control circuit uses either a 0, 2.5 or 5-volt signal to command the actuator movement. When the actuator is at rest, the control circuit value is 2.5 volts. A 0 or 5-volt control signal commands the actuator movement in opposite directions.

OBDII Code B0228 Gmc - Recirculate Position Feedback Circuit - Engine-Codes.com

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