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2000 GMC Sierra 1500 Question: 2000 GMC truck service 4wd light on, stuck in four wheel drive.

 

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dgpoitras, 4.8L V8, Ellington, CT, November 12, 2011, 15:42
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Had truck scaned will not engage code came up ( not sure on code number think it was 323 or 363 not sure). Replaced encoder motor,4wd control module,tranfer case, dash switch, tested wiring harrness,actuator motor,all in working order. What have I over looked?

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  • Answer #1

    November 12, 2011, 20:55
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    my guess is the acuator which is a very common failure. there is a updated one available from gm.

    Roy

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