Question

2004 Chevrolet Silverado HD2500 6.6L with code B0229, what is the problem?

Answer 1

The B0229 code indicates that there is a problem with the  Recirculation Door Actuator of the Air Conditioning of your Silverado. Replacing the  Recirculation Door Actuator is necessary to fix the problem. Here is a link to the code page for more information:

B0229 Chevrolet Code - Recirculation Position Feedback Circuit Actuator Range/Performance
Read more: https://www.autocodes.com/b0229_chevrolet.html