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Acura TSX Security System Questions

parker19parker19 Posts: 59
So everything was fine with my new TSX. Then one day, something went wrong, now the remote and the power locks dont work. They say there is a short in the system but they've had the car for days and haven't figured out the problem. They say they'll take care of it. The car is less than a month old. At a certain point, is there any recourse I can take if they can't figure out the problem or the problem keeps popping up after they eventually fix it?



  • xplorx4xplorx4 Posts: 621
    Did anyone opt to have this system installed in your car? If so, what did you pay?
  • uncledaviduncledavid Posts: 548
    My Acura dealer wanted $795 for the basic version. I decided to pass. The car has an alarm and an the chip in the key. Also, I frequently use a wheel lock. If it still gets stolen after all of that, I have insurance.
  • This sounds like a simple problem in the remote receiver / door lock circuit. It could be a loose connector, a short in the receiver or some other similar issue. Don't get too worried about it, yet.

    If it cannot be fixed, there are now clear Lemon Laws to protect you. A little research on the Web can show you the details. If a car cannot be fixed in a given amount of time, the manufacturer must replace the car or buy it back.
  • boz10boz10 Posts: 14
    I have had my TSX for about 4 months. After the first 3 weeks I had a couple of instances where my key FOB wouldn't deactivate the security system. I used the key to gain access to the vehicle, not thinking much of it and after about 5 minutes of driving the alarm went off. I pushed the unlock button on the FOB and turned it off. This happened 3 times in 4 days. I brought the car to my Acura dealership and they were unable to repeat the problem. They told me "no fault found". I figured it must be a computer thing and forgot about it. Well just recently I had some suspension work done to my car as I posted on "Acura TSX" thread and when I went to pick-up the car my FOB once again wouldn't work. This time because I was at the dealership I got a technician to look at it. Not only would the FOB not work, my power door locks wouldn't work with either of the switches on the front doors. The interior lights wouldn't light up with the door open. I could turn them on manually by depressing them but couldn't turn them on by opening the door or taking the key out of the ignition cylinder. My turn signals were dead as well. The technician worked on the car for over an hour and couldn't figure it out. I was pretty ticked off and left the garage into the showroom for a coffee. A few minutes later the service advisor tells me the car is ready and works fine. Although the seemed to have fixed itself once again. No one could tell me exactly what the technician did to fix the car. I wasn't happy but went home anyways. Well guess what, my FOB wouldn't work yesterday (Sunday) so I decided to take it back to the dealer first thing this morning. As it still wasn't working this morning I thought "great". Until the alarm went off mid-way through my drive. This time the FOB wouldn't turn it off. I had to pull over and use the key in the drivers side door lock to turn it off. My actions reset the system. When I brought it to the dealer once again they were unable to create the problem. The technicians said they talked to Honda/Acura engineers in the US and no one has a clue as to what the problem is. Now I am forced to drive a car which may at anytime sound an alarm or have turn signals which may not work. I am seriously p'd.
       BTW all fuses have been checked and they are fine. Does anyone have any ideas?
  • The problems you are describing influences the fundamental operation of your car. You obviously can't drive the car safely if the alarm goes off randomly while you are driving. What if the beeping of the alarm distracts you and causes an accident?

    If Acura can't get it completely fixed relatively soon, you should be covered by your state's lemon law. In other words, either Acura fixes your TSX so that it can't be safely opperated, or they buy you a new car.

    I would do the following:
    1) Try to get your dealer to look at it one more time. Let him know you are about to contact Acura USA.
    2) Contact Acura USA's main Consumer Service office in Torrance. See if they can help.
    3) Contact your state attorney general's office for information on the lemon laws in your state. I feel confident you will be covered.

    FYI: This is the California Lemon Law, typical of many states -

    If the manufacturer or dealer cannot fix the vehicle to conform to the warranty within a "reasonable" number of repair attempts, then the manufacturer must replace the vehicle or reimburse the buyer or lessee for its purchase price, whichever the consumer prefers (less a mileage offset for the consumer's use of the vehicle prior to the first repair attempt), subject in certain cases to arbitration that the consumer may or may not accept.

    The Lemon Law uses a presumption as a guideline for determining whether a "reasonable" number of repair attempts have been made on a new vehicle. In order for the buyer or lessee to use the Lemon Law presumption, all of the following must be true:

    The vehicle must be one that qualifies as a "new motor vehicle" as described above.

    The vehicle's problems must be covered by the manufacturer's warranty.

    The problem(s) must occur within the first 18 months of delivery or 18,000 miles on the odometer, whichever occurs first.

    The problem(s) must substantially reduce the use, value, or safety of the vehicle to the buyer.

    The problem(s) are not caused by abuse of the vehicle.

    The manufacturer has not fixed the problem(s) after four or more attempts or the vehicle's problem(s) could cause death or serious bodily injury if driven and the manufacturer or dealer has made at least two unsuccessful repairs attempts; or the vehicle has been in the shop for more than 30 days (not necessarily in a row) for repair of any problem(s) covered by its factory warranty and if the warranty or owner's manual requires you to do so, that you have notified the manufacturer about your problems. (Best done in writing.)

    FYI: Here is a site that lists lemon laws by states =

    (Moderator: This site does not compete with Edmunds)
  • I would bet that the problem is in the wireless receiver for the fob. Press the dealer to replace it.
  • xplorx4xplorx4 Posts: 621
    Why would the receiver affect the interior door lights? Hmmm. But I agree, there's a faulty control module somewhere. Whether it's the receiver unit or the security system control module, it's hard to say.
  • boz10boz10 Posts: 14
    Unfortunately here in Canada I don't think there are any clear Lemon Laws. The problem happened 3 times last night over the course of 4 hours. FOB doesn't deactivate the security system, use the key to gain access and turn the car on, drive 10 minutes with no turn signals, alarm goes off, turn the car off and stick the key in the door and turn off the alarm manually. It happened again this morning and I took it to the dealer again!!! This time I left it there for 6 hours and showed up earlier this afternoon hoping to re-create the problem. Of course the problem was non-existent. I spoke to another technician about the problem and he decided to order something called a multi-plex. He hopes that this is the problem. I hope he's right.
  • Don't the lights come on when you open the doors with the fob? It is all tied together.

    Good Luck!
  • boz10boz10 Posts: 14
    The lights inside only come on with the FOB when the system is working properly. When my intermittent problems come up the only way to turn on the interior lights is to manually push them. BTW I talked to the dear this morning and the multi-plex should be in this afternoon. I'll drop off the car in the morning and post the results.
  • That's my point - it is all tied to the receiver. Ask the dealer to replace it or at least disconnect it for a while to see if it is causing the problems.
  • dudkadudka Posts: 451
    Doesn't the OEM alarm have fuel cut off? If so, how are you able to start the car and drive it only to have the alarm go off on you later on? I think it is the alarm unit that is at fault.
  • xplorx4xplorx4 Posts: 621
    It doesn't have a fuel cutoff, it has an ignition cutoff that prevents a would-be thief from starting the car. Once the car is started, driveability is not affected.
  • robr2robr2 BostonPosts: 7,598
    Bad immobilizer chip in the key/receiver in the ignition?
  • I was reading through my TSX owner's manual yesterday and noticed a reference to a "Key Number Tag". Have you all received one with your car? What does it look like? My keychain has a little strip of paper on it with a barcode and a 4 digit number on it. Is that it or should I have received something else?
  • kagedudekagedude Posts: 407
    I think that is it.
  • Hi folks,
    I bought a TSX over the weekend. It sure is a blast to drive. But twice when I got in and started the car, the horn started sounding loudly with the headlights blinking. So I turned off the ignition and hit unlock and it stopped. But its happened twice in a few days, so I am wondering if anyone else has had a similar problem. Looks like its something to do with the anti theft system.
    Any thoughts??
  • eric326eric326 Posts: 5
    I've had my TSX for over a month and put 1500 miles on it. Everything was perfect until today - suddenly I couldn't get the lock-confirm beep. I carefully checked each door, trunk, even hood, and made sure all are closed. I even turned the car key to made sure the trunk was indeed closed on the dashboard. Still there's no beep no matter how many times I push the lock button on the remote. I can hear the sound of locks everytime I push. The remote seems working fine since it can lock/unlock the doors. Does anyone know what the problem could be? Is there a switch that turn the beep on/off? Thanks!
  • Hi! I bought my TSX in February and am having the same problem. Dealer is telling me they've never heard of this before, so I'm very glad to see your post. My alarm has been doing the same thing intermittently since I got the car. Very often it happens after I've put gas in it. (??I know it sounds stupid) Like you, if I press "unlock", it makes it stop. They had it for a week and said they could not replicate the problem and they "adjusted the door".......Not sure what that's supposed to do. They're not listening to me when I explain this is happening when I turn the key, not open the door. UGH! Anyways, I was wondering if you've gotten yours fixed and if so, what was the problem? HELP PLEASE!!!
  • Hi! I bought my TSX in February and am having a problem with the alarm going off periodically since I got the car. It happens when I turn the key. Very often it happens after I've put gas in it. (??I know it sounds stupid) If I press "unlock", it makes it stop. The dealer says they've never heard of this. They had it for a week and said they could not replicate the problem but they "adjusted the door".......Not sure what that's supposed to do. They're not listening to me when I explain this is happening when I turn the key, not open the door. UGH! Anyways, I was wondering if anyone else has heard of this or has any ideas. (I saw another post from May that sounds like the same situation.) HELP PLEASE!!
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