What does B0227 mean on a Chevy?

B0227. Recirculation door command circuit is open. The recirculation door gets no command and the body warning light comes on. Applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

What causes B0227 on a Chevy?

Open in the recirculation door actuator command circuit Unseated or corroded recirculation door actuator connector Broken recirculation door actuator harness behind the glove box Binding or stripped recirculation door actuator gears Faulty output inside the HVAC control module

How do I fix B0227 on a Chevy?

Confirm the code with a scan tool and command the recirculation door Wiggle-test the recirculation door actuator harness while watching the command Inspect and reseat the recirculation door actuator connector Test the recirculation door command circuit for an open Replace the recirculation door actuator only after the circuit tests pass, then clear the code and retest

Code

B0227

Recirculation door command circuit is open

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

B0227. Recirculation door command circuit is open. The recirculation door gets no command 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

Open in the recirculation door actuator command circuit
Unseated or corroded recirculation door actuator connector
Broken recirculation door actuator harness behind the glove box
Binding or stripped recirculation door actuator gears
Faulty output inside the HVAC control module

Standard procedure

Confirm the code with a scan tool and command the recirculation door
Wiggle-test the recirculation door actuator harness while watching the command
Inspect and reseat the recirculation door actuator connector
Test the recirculation door command circuit for an open
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 B0227 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0227
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
B0227 CHEVROLET Recirc position command circuit open | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0227
Fetched directly. Model and year fitment remain curator claims.
B0227 CHEVROLET Recirculate Position Command Circuit Open | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0227
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Last updated 2026-10-10.

Report a correction for B0227. Include your vehicle, the issue and a source if you have one.