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- Hummer H2 (https://www.hummerforums.com/forum/hummer-h2-8/)

- - B3779 code (https://www.hummerforums.com/forum/hummer-h2-8/b3779-code-45542/)

Back40coffee

01-14-2022 08:03 PM

B3779 code

This code also showed up and said Air flow 9 feedback circuit short to battery or open (symptom 05) History DTC o do not have any indication of a fault and no lights are on any thoughts on this .

Back40coffee

01-14-2022 11:24 PM

Sorry

Same thing with this code it was just History

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