2004 BMW X5 No Communication with Key 28 and Key 39

2004 BMW X5
117,000 MILES • V8 • AWD • AUTOMATIC
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GATTI
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I had a mechanic look at my car and wasn't able to diagnose it because he could not use key 28 or key 39. He was able to find two trouble code with Key 20 which are p300 and p240 (i think)

Please help???
Sep 11, 2009 at 10:44 AM
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DOCHAGERTY
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  • ASE Certified Mechanic
I am not sure what key 28 and 39 are, please clarify.
Sep 12, 2009 at 9:09 AM
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