AutoCodes – Chevrolet – B0228 2018 Chevrolet Silverado

B0228 2018 Chevrolet Silverado Code - Left Recirculate Position Feedback Circuit

Quick Answer

The Heating, Ventilation, and Air Conditioning (HVAC) control module controls the HVAC door actuators to regulate the airflow through the HVAC system. Common causes include Faulty Recirculate Actuator, Recirculate Actuator harness is open or shorted, Recirculate Actuator circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B0228 2018 Chevrolet Silverado indicates Left Recirculate Position Feedback Circuit.
Common causes: Common causes include Faulty Recirculate Actuator, Recirculate Actuator harness is open or shorted, Recirculate Actuator circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 636

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 29, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B0228 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - Left Recirculate Position Feedback Circuit - AutoCodes.com — B0228 2018 Chevrolet Silverado Code - Left Recirculate Position Feedback Circuit

What does this mean?

What are the Possible Causes of the DTC B0228 2018 Chevrolet Silverado?

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

How to Fix the DTC B0228 2018 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0228 2018 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B0228 2018 Chevrolet Silverado code?

Need more information on how to fix the B0228 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B0228 2018 Chevrolet Silverado Code

1. What does the OBDII code B0228 indicate on a 2018 Chevrolet Silverado?

Code B0228 indicates a problem with the Left Recirculate Position Feedback Circuit, suggesting an issue with the feedback signal from the recirculation flap position sensor.

2. What are common symptoms of the B0228 code in a 2018 Chevrolet Silverado?

Symptoms can include inconsistent cabin temperatures, inability to switch between fresh air and recirculation modes, and possible noise from the dashboard when attempting to change air circulation settings.

3. What causes the B0228 code to appear on a 2018 Chevrolet Silverado?

Common causes include a faulty recirculation flap position sensor, damaged wiring or connectors in the feedback circuit, or a mechanical failure in the recirculation flap mechanism.

4. How can I diagnose the B0228 code on my 2018 Chevrolet Silverado?

Diagnosis should start with a visual inspection of the recirculation flap and its associated wiring and connectors for any signs of damage or disconnection. Following this, a scan tool should be used to monitor the position feedback data from the recirculation flap position sensor.

5. What are the steps to fix the B0228 code on a 2018 Chevrolet Silverado?

Repair steps may include replacing the recirculation flap position sensor, repairing or replacing damaged wiring, or in some cases, repairing the recirculation flap mechanism itself if it's mechanically jammed or broken.

6. Is it necessary to recalibrate the system after repairing the B0228 code on a 2018 Chevrolet Silverado?

Yes, after repairs involving sensor replacement or mechanical repairs to the flap, recalibration of the HVAC system might be necessary to ensure proper operation of the air recirculation function.

7. Can driving with the B0228 code active cause further damage to my 2018 Chevrolet Silverado?

While driving with this code active is unlikely to cause engine damage, it can lead to discomfort due to improper cabin temperature control and reduced efficiency in heating or cooling the vehicle's interior.

8. What tools are required to diagnose the B0228 code on a 2018 Chevrolet Silverado?

A professional OBDII scanner, a multimeter for testing circuits, and basic hand tools to access the recirculation flap and sensors are typically required for diagnosing this issue.

9. How long does it typically take to fix the B0228 code in a 2018 Chevrolet Silverado?

The repair time can vary depending on the specific cause of the fault. Simple sensor replacements may take about an hour, while more complex issues involving wiring repairs or mechanical fixes can take several hours.