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Engine-Codes - Cadillac - B0228 CADILLAC

B0228 CADILLAC - Recirculate Position Feedback Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B0228 CADILLAC Possible Causes

What does this mean?
  • Faulty Recirculate Actuator
  • Recirculate Actuator harness is open or shorted
  • Recirculate Actuator circuit poor electrical connection

How is the B0228 CADILLAC code repair?

Start by checking 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.

Tech Notes

What does this mean?
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 is the cost to diagnose the B0228 CADILLAC code

Labor: 1.0

The cost to diagnose the B0228 CADILLAC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

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

B0228 CADILLAC Meaning

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.

More Information

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