Key Fob Issues [Archive] - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

: Key Fob Issues


Black2003LTZ
10-26-2010, 10:52 AM
Ever since I bought my '03 TB, the key fob has never worked properly. Not only does my fob have no range, it eats batteries about every 3 weeks. I have two fobs and both act the same way. I'm using Energizer batteries #:2032. Am I using the wrong batteries or is there some other issue I don't know about? Thanks for any help.

martlet1
10-27-2010, 10:42 AM
2032 is the right battery for your FOBs. You may have a bad antenna in your dashboard, which may give you the perception that the batteries are going dead. The antenna going bad is a rare thing though. Replacement FOBs run about 50-60 per fob, from aftermarket companies.

Any good alarm/car stereo shop should be able to test your FOBs for free and see if they are transmitting properly. If the antenna is bad, it may be cheaper to get an aftermarket keyless entry system installed.

Good luck!

tblazed
10-27-2010, 10:43 AM
You do have the OE key fobs? On the back should have GM15008008 for #1, or GM15008009 for #2. Mine still has the original battery from Jan 2002. Still works fine, at least 50 ft range or more.

rayik
10-27-2010, 12:31 PM
Replacement FOBs run about 50-60 per fob, from aftermarket companies. Good luck!


remotesandkeys.com has TB FOBs - used $22 and new $40

Here (http://www.remotesandkeys.com/searchresults.asp?cat=3182) is the link directly to the GM page

Black2003LTZ
10-27-2010, 11:39 PM
tblazed You do have the OE key fobs? On the back should have GM15008008 for #1, or GM15008009 for #2. Mine still has the original battery from Jan 2002. Still works fine, at least 50 ft range or more.
I have both original GM #1 and #2 fobs and both go through batteries like crazy. Right after the battery goes and the doors no longer lock/unlock, the dash says: "RFA Battery Low". Do you think a bad antenna could cause the batteries to go bad faster? I also forgot to mention, the range is pretty good right after I change the battery. It just get worse until the battery is dead.

ohmslaw
11-09-2010, 02:55 PM
I'm having issues with both vehicles. My wife has the 2003 Trailblazer XLT and I have a 2004 Envoy XL. We have both used KeyFOB #1 on each respective vehicle for years. Then, recently, both #1 FOBs started going through batteries every three weeks or so. I don't believe that it is the antenna because we pulled the #2 FOBs out of storage and they seem to have good battery life and have excellent range. Either the transmitters have gone soft from years of use or there is some other situation happening here. I am tempted to try reprogramming both FOBs and, if that doesn't work, just to purchase two replacements. Any thoughts on the subject?