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Hi! How can I resolve an error code B0004 on a GMC Savana 1500? It's a 2007 model with a 4.3L engine.

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Disconnect battery for 2 minutes. Check all fuses especially the cruise control. Reconnect battery. See what that will do.

Posted on Dec 17, 2016


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Posted on Jan 02, 2017


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Hi, how do I resolve an error code B0004 for a 2003 Buick LeSabre? It's a 3.8L engine. Thanks!

Maybe you mean B0040 , because there is no B0004 ! Maybe you should think about taking your vehicle to a qualified repair shop !

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Diagram of serpintine routing on 2005 savana

Several engines there; this is for one 2005 GMC SAVANA VAN - V6 4.3L 262ci GAS FI N X

Belt Rputing Diagram Multiple Accessory, w/105 Amp Alt., w/o A.C.

Other models and details can find in DAYCO Catalogue.

Hope this help.

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