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Chevrolet Impala Key Fob Questions



  • prigglypriggly Posts: 642
    Maybe the tint on the windows even they are rolled down is setting up some sort of electromagnetic field which still impairs the fob signal.
  • Window tinting has no energy so no electro-magnetic field is likely. However, even with the windows down, the rear window is still tinted. If the receiver's antenna is located in the rear window, it could still be affected. However, the antenna would be "outside" the tint so it shouldn't be affected from the rear of the vehicle.

    My opinion is the range could be affected by window tinting but not to the degree we are seeing. The successful fixes reported here indicate an issue with the receiver. Unfortunately, since it continues to work while degraded, it's hard to convince a service manager that the window tinting is the cause. What we need as a control are similar problems with cars WITHOUT window tinting. If the symptoms are identical, regardless of tint, then they will be more likely to believe the cars have an inherent problem rather than one brought on by window tinting. I'm going to compare my car with my sister's in a parking lot so we can measure a difference in range. Both of us have window tinting but only my car seems to be affected.

    Frustrating, isn't it?! :mad:
  • The receiver for the remote functions is located under the top pad of the instrument panel, just to the left of the defroster outlet. There is a bulletin released to the dealers regarding poor range and performance of the key fobs. The number is PIC3764J. It lists several possible causes; 1)The key fob's rolling security codes get out of sync with the receiver; 2) The receiver's antenna has poor connections at the receiver or to the glass; 3) The antenna is not well grounded. If your dealer is having trouble with diagnosis, give them this bulletin number to reference.
  • PIC3764J is the bulletin that I posted that started this thread. It didn't make a difference at all on my car.
  • zjim,
    Thanks for sharing your experiences. I was curious if you were willing to share a copy of the invoice from your repairs, with your personal info blocked out of course. If I had that in hand along with your narrative, maybe I would have better luck. I've tried two dealers so far. At one I got the "don't worry about a thing, we know exactly what's wrong" attitude and I returned to find nothing changed. The second shop looked totally dumbfounded although the tech did agree to research the issue. He did find PIC 4026 (mentioned elsewhere) but it turns out it was an advisory to reprogram a receiver vs. replacing it if it didn't work upon replacement. The programming for the HVAC was supposedly not a valid part # but I'm not sure if it was the program or TSB referenced in the forum that was incorrect.
    I still love the car (and these are just annoyances) but it sure would make my ownership experience a WHOLE lot more pleasant if I felt the service departments were as interested in having my car perform/function properly as I am. It's not like they aren't getting paid for the service. :confuse:
  • Any updates? Mine is still acting up. :cry: Anyone?
  • had the car at the dealership for almost 1 full week, in that time had the tsb on the transmission done, replace the tire and rcdlr part replaced and now i am extremely pleased to say i have great range and so far no tire pressure monitor problems, make sure the replace the rcdlr and reprogram with the lates software in TIS or nothing will be fixed!
  • I did some experimenting with mine today. I have poor range and tinted windows. Here's what I figured out:

    With the windows up or down, I have poor range, approx 50-75 ft. Also, at the limit, it is very inconsistent. It was hard to activate the lock or unlock repeatedly. It seemed to be a problem other than range since I was stationary. During this experiment, I was walking up and down the street with my car facing toward my garage.

    I then backed my car into the garage with the windows up. I repeated the experiment and noticed I had much better range, probably an extra 25 ft or more, and complete consistency.

    My best guess is that the receiver (in my car) is much more receptive from the forward aspect. I was surprised at how much better the reception was even though I couldn't see the car (inside the garage).

    So, has anyone else experimented with their poor range or would you be willing to? I believe I have eliminated the window tinting as a cause in mine and the inconsistency I was experiencing leads me to believe the receiver was getting jammed. I'm going to press for a receiver change and reprogramming but I like to go in armed with data.
  • I have had my key fobs re-programmed by the dealership twice. Both times the key fob works once or twice and the n doesn't work anymore. Also the security light comes on occasionally while driving. Any advice that anyone would have would be greatly appreciated.
  • Hello all - Just new to the forum. I have an 06 impala lt, company car, that is having fob issues like most are. My biggest problem is that you need to be really close to the car to unlock/lock the doors or even use the remote starter. I brought it to a dealership nearby and they gave me a new fob that only worked ok, but no further than 20 ft.
    Now this one has gotten worse to the point its range is about 10 ft now. Many of my co-workers are having the same problem, so there is an obvious quality issue. The service manager later acknowledged an issue with it and attributed it to the antenna. No mention was indicated that they were going to fix it under warranty. I guess when you're close to "going under " as a company, remote fobs are not at the time of the list. Anyway, just wondering if anyone else has gotten around this problem with any good success? :mad:
  • quietproquietpro Posts: 702
    You can search this forum for more on this issue. The problem seems to be bad receivers. Several have had new FOBs and reprogrammed FOBs but the only fix that seems to have really worked is having the receivers replaced.

    I do think GM is committed to improving quality across the board but unfortunately, the service departments aren't always as enthusiastic. Keep in mind, if they can't actually find and fix the problem, they'll have to write off the labor time with likely little compensation. Going in armed with accurate information works best for me. Just think, if you manage to get yours fixed and documented, you could be your company's hero. :) Good luck!
  • zjimzjim Posts: 51
    Help is on the way. I've had the receiver changed 3 times in my car and was ready to file under the lemon law. It appears that something is about to be done about our problem. See the information below that was provided by my dealer.

    Remote Keyless Entry (Inop/Intermittent Function) Or Tire Pressure Monitor Concerns - keywords fob RCDLR RKE RVS start TIMS TPM transmitter vehicle #PIC4325A - (12/01/2006)

    2006-2007 Chevrolet Impala and Monte Carlo


    This PI was updated with the latest information on the RKE and TPM concerns, advising dealers of the upcoming TSB. Please discard PIC4325.


    The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.


    The vehicle may exhibit one or more of the following conditions:

    The RCDLR and RKE Transmitters will not function after the serial data bus has gone to sleep.
    Intermittently inoperative Remote Keyless Entry (RKE) - A condition of intermittent operation of the RKE transmitters (key fobs) has been identified.
    Poor RKE range and/or Service Tire Monitor System message
    RKE inoperative after programming any module on the vehicle
    New RKE transmitters cannot be programmed
    Vehicle may display low fob battery.


    A new coax antenna has been developed for the Impala and Monte Carlo. The new coax antenna and the Technical Service Bulletin (TSB) for all the Remote Keyless Entry (RKE) and Tire Pressure Monitor (TPM) concerns will be available in January 2007. Do not attempt any further repairs for any RKE or TPM concern on the 2006-2007 Chevrolet Impala or Monte Carlo until the TSB is released.

    Note: The parts that were available through the Warranty Parts Center (WPC) have been exhausted and no additional parts will be available through the WPC.

    Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

    GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions, and know-how to do a job properly and safely. If a condition is described, DO NOT assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See your GM dealer for information on whether your vehicle may benefit from the information.


    © Copyright General Motors Corporation.
  • quietproquietpro Posts: 702
    Awesome, zjim, thanks for the post!!! :D

    There wouldn't also be a fix on the way for the service personnel who tell you all is fixed with a smile and handshake knowing all along that the problem is still there. I know, I nice. :D
  • Karen_SKaren_S Posts: 5,095
    Great! Thanks for posting that info! :)
  • mymittiesmymitties Posts: 242
    Any further word as to when in January this Coax Antenna
    fix will be available...Sorry, I am growing alittle
    impatient at this point..After new receiver I am still showing low fob battery, doors/trunk won't work and tire pressure message is on !!
  • Great posting! It is somewhat relieving to hear that others are having the same issues that I am having. I feel sorry for everyone. Like many of you, my window would squeak like nails on a chalk board when rolled down. One the bright side, it has been working better the last few months, that is, after having it repaired 8 times at a few different dealers. Meanwhile Chevy broke my OnStar while attempting to fix the window. That led to a few more trips to the good old service department. Eventually my key fob lost its range as well. Sometimes I have to be so close to get it to unlock I could just reach out and unlock it manually. Taking it back to the service department has proven unhelpful. I am learning to deal with it. This car has become a joke to my pears and I will laugh along with a burning anger inside. Looking back I wish I would have gone with the Toyota Camry, I actually traded in my 1994 Toyota Camry with 137,000 miles and no unexpected problems to go American Made! What a mistake . . . only 4.5 more years of payments. .. . . Good luck everyone and let’s keep fighting Chevy.
  • zjimzjim Posts: 51
    I received an e-mail from my dealer service advisor yesterday notifying me that the parts to repair/correct the remote range/tire pressure monitoring problems once and for all. I've made an appointment to bring the car in next week. That will be the fourth time back to the dealer for this problem and hopefully, the last!

    Contact your dealer ASAP to arrange for your repair. :)
  • quietproquietpro Posts: 702
    You probably saw the post for the RKE and TPM problem just ahead of this one. For your window problem, if it continues, try using a little silicone lubricant. Spray it on the rubber and you can even spray it on the glass. Run th window up and down a couple times and the problem should be solved. I've fixed two other Impalas this way.

    These are two relatively minor (although very annoying) problems. Don't be so sure to sell your Chevy short just yet. :)
  • I have an 06' LT3 and have similar problems to others as well. Regarding the key fob issue, I don't have tinted glass and I have had issues getting it to unlock from very close range. Also, I have had to have one of the fobs reprogrammed. :mad:
  • quietproquietpro Posts: 702
    Have you seen the posts regarding the latest fix? I've been waiting to hear back from someone with the new fix but no word so far. I would HOPE after all the complaints and how long they've taken to come up with this fix, it will finally be taken care of.
  • my 2006 is at the dealer right now. issues are windshield washer pump not working and rke range issue. i am screwed as the car has 40k on it and is out of warranty. service rep says about 400 bucks with one remote! what a crock! any ideas for help? the old key fobs will not work with the new reciever, new fob is $117....what a great car?? :lemon:
  • cuffcuff Posts: 11
    was reading your problem and went to check on ebay....there are a few remotes on there for a 2006....stay away from the dealer....hit ebay and save yourself some money.
  • cuffcuff Posts: 11
    hit ebay...there's one there it end's in 1 day and 18 hours....item #130082955456...........only $8.00 to buy and $5.00 to ship.........also free progam...hope you get this message on time....
  • zjimzjim Posts: 51
    I've had the updated devices and new key fobs installed on my '06 for a few weeks now. Everything is working great! This was the fourth attempt at repairing the problem. The updated parts that were replaced was the receiver, the antenae and both fobs. These new components have changes from the originals that should be a permanent fix. After over a year, I finally have an Impala that I can't complain about. I hope I'm not talking too soon! :)
  • quietproquietpro Posts: 702
    i am screwed as the car has 40k on it and is out of warranty.

    I would fight with GM on this. Mileage isn't the cause of the RKE/FOB problem and it's widespread across the entire model line as well as a few other GMs. Threaten to contact the Better Business Bureau if you don't get any satisfaction and use this forum as evidence if you can't find anything from GM.

    I would be careful about buying replacement parts on Ebay. It looks like the fix is a redesigned FOB, not just a new one.
  • axle52axle52 Posts: 36

    I had the same issue with the remote range but since then i have had the new antenae and both fobs replaced but not the receiver. It is an improvement but I still don't think the range is as good as it should be. I don't recall the receiver being part of the fix. Could you please correct me if I am wrong. Hope to hear your reply.
  • zjimzjim Posts: 51
    I also had the problem with the tire pressure monitoring system, which uses the same receiver as the fobs. That's why they replaced the receiver. Now, not only does the remote work properly, but no more "service tire monitoring system" warning pop up in the dash. I suppose the antenae might have been the problem effecting both, but I was told that there was a problem with the receiver programing. However, there might have been another reason for the receiver replacement that I'm not aware of.
  • I also had the remote distance & tire pressure monitor problems. The dealer first tried reprogramming the receiver and replacing the remotes, this didn't work so they ordered a new antenna. Replacing the antenna didn't work so they ordered a new receiver. With all of the above replaced everything now works fine. The dealer told me that the are instructed by GM to repair this problem one step at a time. I didn't mind as I work a short walk from the dealership and all three times I left my car with them they had it ready for pick-up by quiting time. I'm OK with the deal and now totally satisfied the car. Good luck to all, the fix is there just be firm (and patient).
  • lineman3lineman3 Posts: 12
    I recently purchased an 06 LTZ with 16k on it. It's still under the factory warranty. I have been reading the post here and have a some questions. I have noticed that my tire service indicator comes on, and I too have had some strange things with the key fobs. You guys seem to be pretty up to date, so what am I missing? What should I be aware of? I have only had the car a week. Very happy overall, but if there is warranty things, I need to get them done.
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