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Old 08-11-2011, 01:34 PM   #101

kbui's Avatar
Drives: 85 Vette, 07 Escalade ESV, 03 GMC,
Join Date: Nov 2009
Location: Austin, TX
Posts: 927
Originally Posted by 572HP View Post

"Customer states that the Active Fuel Management is not disengaging when in sports or tap shift mode. Call TAC Case 975558370 Operating As Designed - AFM Disengages only on 2010 normal operation."

So per Jeff's suggestion (PM'd), I called and opened a case with GM. Case 71-975740962. After explaining my situation, the person I talked with put me on hold for about 10 minutes while he called my dealership and talked with my service advisor. When he came back, he said that they were told that it was working as designed, and nothing would be done about it, but the engineering team would get a copy of the complaint for possible future design decisions.

I guess GM is just willing to let a bunch of unhappy customers spread the word.

What does this "AFM Disengages only on 2010 normal operation." mean? AFM should be OFF in S/M modes? Do I need to open another case with my dealer?

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