Turn off vehicle cellular and portable.... during the programming my portable have ringing....
Now after reinstall stock and reprogram no other message on H2 display.
The only DTCS that are reported anytime in B0229... Hummer says that is regarded AC... But I do not have any problem..
The only problem with H2 is the breakover angle... stuck one time yesterday with the bottom on the ground... but i can go where the other car can do (some lift car exclused ... Wrangler... Patrol... Defender) but only lift...
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