Question about 2002 GMC Envoy
I have read that the HVAC programming needs to be updated, that the ambient air temperature sensor needs to be replaced and/or the sensor can be reset by simultaneously hitting the Mode, FT Defrost and rear defrost.
I purchased a GM part # 15047946, a sensor, but it does not look like the sensor behind the top of the grill which is where I was directed to replace the ambient air sensor. If it does need to be replaced could you confirm the part number and location?
If your outside temp is wrong on your 2002 Envoy here is how you fix it. part number 15047946 sensor. looks like the wrong part..it's not. take the brace part off of it by pressing the clips and slide out the part you need. Loosen the 4-5 bolts from the top of the grill..attached to brace right on top of the grill..just pull the grill out about 3 inches..put your hand thru..it's driver side to the middle. original is grey box with connector. pull it out, reattach connector to new part and push the new piece in the hole..get the piece from the dealer..25.00...put screws back in grill brace. reset the temp by pressing front defrost, rear defrost and mode all at once. took me 15 minutes..and I'm a 55 year old girl:) you can do it!
Posted on Jun 23, 2010
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Posted on Oct 28, 2009
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Posted on Jan 02, 2017
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