What causes B0228 on a Chevy?

Failed recirculation door position sensor inside the actuator Open or short in the recirculation door feedback circuit Corroded or loose recirculation door actuator connector Binding recirculation door stalling the actuator Faulty feedback input inside the HVAC control module

How do I fix B0228 on a Chevy?

Confirm the code with a scan tool and watch the recirculation door feedback voltage Command the recirculation door through full travel and note any jump in feedback Inspect and reseat the recirculation door actuator connector Test the recirculation door feedback circuit at the actuator with a multimeter Replace the recirculation door actuator only after the circuit tests pass, then clear the code and retest

Code

B0228

Recirculation door feedback circuit malfunction

Q: What does B0228 mean on a Chevy?

B0228. Recirculation door feedback circuit malfunction. The HVAC module cannot confirm the recirculation door position and the body warning light comes on. Applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

Category: Body
Severity: Body Warning Light
Applies to: Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code
Related: No single generic twin. See OBD Codes List

What it means

B0228. Recirculation door feedback circuit malfunction. The HVAC module cannot confirm the recirculation door position and the body warning light comes on. This Chevy-enhanced code applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

Findings, check these first

Failed recirculation door position sensor inside the actuator
Open or short in the recirculation door feedback circuit
Corroded or loose recirculation door actuator connector
Binding recirculation door stalling the actuator
Faulty feedback input inside the HVAC control module

Standard procedure

Confirm the code with a scan tool and watch the recirculation door feedback voltage
Command the recirculation door through full travel and note any jump in feedback
Inspect and reseat the recirculation door actuator connector
Test the recirculation door feedback circuit at the actuator with a multimeter
Replace the recirculation door actuator only after the circuit tests pass, then clear the code and retest

Look up another code

Press / to jump to the box. Chevy-enhanced powertrain, body, chassis and network codes.

Sources and review

Review: checked against the recorded source material.

Code B0228 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0228
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
B0228 CHEVROLET Recirculate Position Feedback Circuit | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0228
Fetched directly. Model and year fitment remain curator claims.
B0228 CHEVROLET Recirculate Position Feedback Circuit | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0228
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Last updated 2026-10-10.

Report a correction for B0228. Include your vehicle, the issue and a source if you have one.