What does B0225 mean on a Chevy?

B0225. Recirculation door command circuit low. The command signal to the recirculation door reads low and the body warning light comes on. Applies to Chevrolet, GMC, Buick, Cadillac, Pontiac, Oldsmobile and Saturn models that use this code.

What causes B0225 on a Chevy?

Recirculation door command signal shorted to ground Failed recirculation door actuator pulling the command signal low Corroded or loose recirculation door actuator connector Binding or stripped recirculation door actuator gears Faulty output inside the HVAC control module

How do I fix B0225 on a Chevy?

Confirm the code with a scan tool and command the recirculation door Measure the recirculation door command voltage at the actuator Inspect and reseat the recirculation door actuator connector Test the recirculation door command circuit for a short to ground Replace the recirculation door actuator only after the circuit tests pass, then clear the code and retest

Code

B0225

Recirculation door command circuit low

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

B0225. Recirculation door command circuit low. The command signal to the recirculation door reads low 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

Recirculation door command signal shorted to ground
Failed recirculation door actuator pulling the command signal low
Corroded or loose recirculation door actuator connector
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
Measure the recirculation door command voltage at the actuator
Inspect and reseat the recirculation door actuator connector
Test the recirculation door command circuit for a short to ground
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 B0225 definition | OBDII.pro
live manufacturer definition (obdii.pro)
Supports: GM manufacturer meaning for B0225
Fetched directly. The GM entry is the brand-family meaning used here. This site is independent of engine-codes and autocodes.
B0225 CHEVROLET Recirculate Position Command Circuit Low | Engine-Codes.com
archived reference page (engine-codes.com via Wayback Machine)
Supports: Chevrolet meaning and possible causes for B0225
Fetched directly. Model and year fitment remain curator claims.
B0225 CHEVROLET Recirculate Position Command Circuit Low | AutoCodes.com
archived reference page (autocodes.com via Wayback Machine)
Supports: corroboration of Chevrolet meaning and causes for B0225
Same Chevrolet text as the engine-codes page (both sites share one publisher).

Last updated 2026-10-10.

Report a correction for B0225. Include your vehicle, the issue and a source if you have one.