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my 92 is about the same but instead of hitting the middle button I hit the celcius/farenheight button
 

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Well to continue on my 92 Roadmaster limited after accessing the diagnostic menu in my climate controll some stuff seems the same and some stuff is different like for example on -02 Im getting readings and they change and its higher than the codes posted above so im thinking maby temp for something..My menu only goes up to -24 and some just stay at 00..Is there a difference in the displacment in codes for my 92 rather than the 94-96 or can I get pcm and ccm readings at all on my 92??thx
 
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