Question about 2003 GMC Envoy

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Cannot find the body control module in a 2003 gmc envoy

I bought the body control module from advance auto parts and it did not come with any instructions and when i called to ask them where it is located they have no idea does anyone know where it is located

Posted by Anonymous on


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Posted on Jan 02, 2017

  • 375 Answers

SOURCE: check engine light on - 2003 gmc envoy XL

That code represents a lower than expected reading for temperature (coolant). First thing to do is check your coolant level, as if it is low, then the sensor can not read correctly. Second, you may have a thermostat that is stuck open, allowing the coolant to cool off too much. The sensor should be mounted on top of the engine, near the thermostat housing.

Posted on May 18, 2008

  • 43 Answers

SOURCE: I need to know how to program my auto seat recall

after you position the seat that is comfortable for you to drive then press and hold the 1 button on your door switch and hold it until you hear two beeps then it is programmed

Posted on Jul 19, 2009

  • 18 Answers


bottom of sterring colum under under trim panel

Posted on Jul 19, 2009

  • 15 Answers


should be on the passenger side under the dash. Remove the lower dash panel and look up under the dash. you will see the blower motor and then to the left a little you will see a plug attached to a relay/resistor switch. It is held on by two screws. The Envoy is the Trailblazers sister so you may have the same issue I had. Seems like the ground is not sufficient enough causing the ground wire to get hot melting the plugs together. I had a very hard time getting them apart but did. Purchased a new relay/resistor switch and repaired the wiring myself. GM wants $100.00 bucks for the plug. Hopefully you don't have a G/F or wife like mine that thought kicking the fan speed control switch would make it work. I had to also replace that due to her breaking the switch.

Posted on Aug 16, 2009

  • 306 Answers

SOURCE: Where is the body control module located on 2000 yukon

under the dash on the drivers side. above the break pedal

Posted on Feb 06, 2010

Testimonial: "Thank you for your help. The module was in the location you described. "

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