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Old 10-11-2011, 08:00 PM
ahaus ahaus is offline
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transfer case code b2725

I have a 2000 s-series blazer with under 35,000 miles owned by a little old lady. Has intermittent " Service 4 Wheel Drive " history. No current codes but does have a B2725 code in history. Every time it is in the shop all is well. I'm looking for any insight. Is this something she could generate by improper use/shiftting. Any and all help is appreciated. Thanks in advance.
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Old 10-11-2011, 09:55 PM
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gmtech1 gmtech1 is offline
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Re: transfer case code b2725

This code is for the mode control switch for the t/case (select switch). Being as it is an intermittant condition, check the connector at the switch and the t/case module. The module is loctaed behind the panel, under the right side of the dash at the base of the "A" pillar. It is known for getting water in the connector. If it all looks ok, you may need the problem to get more consistant in order to diagnose.
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