Question about 2002 GMC Envoy

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Power front seats

My envoy power front seats wont work wont go back or forward or wont decline Have a 2004 GM Envoy and driver's side power seat will not move forward or back. Dealer originally "fixed" the problem for $70, and it worked for 1-2 days. Now dealers says $750 to replace seat track and motor. I am going to try beating the **** out of the tracks with a hammer as suggested. I also read that sliding a long screwdriver in the steel guide tracks may work.

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  • GMC Master
  • 11,067 Answers

Before you start beating up thing's , test the electrical circuits. Do you know anything about automotive electrical systems ? How to use a volt meter an a wiring diagram to test for B+ power to the switch an testing the ground .
Does your envoy have memory seats ? Your vehicle has four or more electric motors to control back an foward , up an down etc.. the odds of more then one motor being bad at one time are highly unlikely .
Look under the seat any trash under there keeping it from moving ?
If you have memory seats there is a control module involved in making the seats work . If it has memory seats it could have DTC'S - diagnostic trouble codes .
DTC B1735, B1740, B1745, B1750, B1755, B1760, B1815, or B1820
The seat adjuster switches are inputs to the driver and passenger seat modules. The seat modules supply the adjuster switch assemblies with a battery positive switch supply circuit and monitor the switch signal circuits. In an inactive state the switch signal circuits are floating and when a switch is pressed the signal circuit is closed to the switch power circuit within the adjuster switch assembly. When battery voltage is present on the switch signal circuit the seat module determines the switch status to be active.
DIY Blazer GMC Jimmy Power Seat Control Diagnostics and Repair Electric...

Posted on Jun 26, 2017

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tripletauto
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SOURCE: gm rds radios

THIS WILL HAVE TO BE PROGRAMMED with a tech 2 scanner. these radios vin lock and have to be cleared out has to be done by dealer

Posted on Jan 13, 2009

  • 67 Answers

SOURCE: Envoy Resister

no resister on this car. the a/c comtrole is a module. comtrol the blower. frist check the connetor for the blower. if is ok replace the controler. price for $ 200.00 call the deler

Posted on Apr 17, 2009

  • 52 Answers

SOURCE: p0452

i believe that is an emmisions leak code cant recall of the top of my head you may have left the gas cap loose causing it

Posted on Apr 25, 2009

  • 2 Answers

SOURCE: power front seats

Use a hammer and tap each of the travel rails on seat, this worked great for me, something just gets misaligned in there.

Posted on Apr 26, 2009

Z71guy
  • 154 Answers

SOURCE: The speedometer on my 2004 Envoy is like 60 mph

Pretty common problem with these. Here's a guide to learn how to fix GM instrument clusters yourself, I used it to fix mine and it worked great.How to guide for Envoy instrument cluster repair

Posted on Oct 05, 2010

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