What does B0272 mean on a Chevy?

B0272. Recirculation air flow door circuit is open. That 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 B0272 on a Chevy?

Open in the recirculation air flow door actuator circuit Unseated or corroded recirculation air flow door actuator connector Broken recirculation air flow door actuator harness behind the dash Binding or stripped recirculation air flow door actuator gears Faulty output inside the HVAC control module

How do I fix B0272 on a Chevy?

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

Code

B0272

Recirculation air flow door 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

B0272. Recirculation air flow door circuit is open. That 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 air flow door actuator circuit
Unseated or corroded recirculation air flow door actuator connector
Broken recirculation air flow door actuator harness behind the dash
Binding or stripped recirculation air flow door actuator gears
Faulty output inside the HVAC control module

Standard procedure

Confirm the code with a scan tool and command the recirculation air flow door
Wiggle-test the recirculation air flow door harness while watching the command
Inspect and reseat the recirculation air flow door actuator connector
Test the recirculation air flow door circuit for an open
Replace the recirculation air flow 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 B0272 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0272
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
B0272 CHEVROLET Air Flow Control 7 Circuit Open | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0272
Fetched directly. Model and year fitment remain curator claims.
B0272 CHEVROLET Air Flow Control 7 Circuit Open | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0272
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Last updated 2026-10-10.

Report a correction for B0272. Include your vehicle, the issue and a source if you have one.