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Mazda CX-9 Maintenance and Repair

89 messages,  Last post on Sep 21, 2009 at 8:48 AM

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What is this discussion about? Mazda CX-9, SUV

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#51 of 89 Re: Electrical concerns? [blueru] by manojtv Apr 11, 2008 (9:23 am)
Replying to: blueru (Mar 08, 2008 11:13 am) The rear dome light in door mode will work only if you have set the 1st row dome light switch set to door mode.
#52 of 89 Another some weird electrical problem by eua May 06, 2008 (10:48 am)
I own 08 Sport AWD. Please need help or advice on the following matter: After unlocking door either form remote or from inside the car keeps unlocking it several times by itself. So I can hear multiple clicking of the lock and can see small movement of the the lock knobs. If I insert the ignition key after that glitch described above the front windows open themselves. It's not 100% repeatable and it happens like ones after 10-20 times of unlocking the door. so I do not know do I need go to the dealer right now or wait until my first oil change. The biggest concern is that - will my cx-9 open the front windows by itself in the middle of a rainy night? this is scary Replies to this message: epicard (May 06, 2008 11:57 am) nxs138 (May 06, 2008 6:55 pm) eua (May 07, 2008 7:00 am) eua (May 09, 2008 9:33 am) ceric (May 09, 2008 10:23 am) eua (May 09, 2008 11:54 am) eua (May 09, 2008 12:17 pm) eua (May 15, 2008 1:39 pm)
#53 of 89 Re: Another some weird electrical problem [eua] by epicard May 06, 2008 (11:57 am)
Replying to: eua (May 06, 2008 10:48 am) It sounds like the button on your key is getting stuck... Very odd.
#54 of 89 Re: Another some weird electrical problem [eua] by nxs138 May 06, 2008 (6:55 pm)
Replying to: eua (May 06, 2008 10:48 am) Key fob might be wacking out on you. If you can, try to snap it open and remove the battery (or simply leave it somewhere out of range of the CX-9) and use your other key fob for a while and see if you get the same issue.
#55 of 89 Re: Another some weird electrical problem [eua] by eua May 07, 2008 (7:00 am)
Replying to: eua (May 06, 2008 10:48 am) Thank you for the responses Well I showed it today to a mazda technician. In the beginning He thought it was a problem with the "transmitter"-key as well . But seems like it's internal problem with the lock system. After small shake of the car like door was slammed or the car just hits a bump it happens time to time. The technician was surprised seeing it. It might be some wiring problem so we'll see. Tomorrow I'm going to leave it at Mazda service center for the repair and It's only 750 miles on it which makes me upset ..
#56 of 89 Re: Another some weird electrical problem [eua] by eua May 09, 2008 (9:33 am)
Replying to: eua (May 06, 2008 10:48 am) Update My cx-9 already 2nd day in repair shop of Mazda Dealership. They dissembled all front doors and checked the wires then they replaced the door lock system block of the driver side. Still nothing - can not find and fix the problem.A tech manager said that they're going replace computer block and assured me that it will fix the problem. Well I'm not so sure about that. Replies to this message: ceric (May 09, 2008 10:23 am)
#57 of 89 Re: Another some weird electrical problem [eua] by ceric May 09, 2008 (10:23 am)
Replying to: eua (May 09, 2008 9:33 am) I also believe it is the remote (it sounds like you don't have the SmartEntry system) that got stuck from time to time (specifically the Unlock button). You know that when you hold down the unlock button on your remote, the window will roll down. That seems consistent with your description. Have you tried to use the other remote? If both had the same problem, then it is not the remote. If there is no DTC (error code) showing on M-MDS (Mazda's diagnostic computer), all the technician does is swapping parts. They are not any smarter than we are.
#58 of 89 Re: Another some weird electrical problem [eua] by eua May 09, 2008 (11:54 am)
Replying to: eua (May 06, 2008 10:48 am) Well I'm back on the road. Thank you everybody. Yeah just got back form Mazda Dealership driving my cx-9. Well it was a Body Control Module (BCM) which was causing the problem. Apparently BCM had a glitch when it was sending repeated commands to unlock a door after which car opens windows as a next programmed operation to that sequence. Hopefully it's what was causing the problem and my car is not a lemon because I love it
#59 of 89 Re: Another some weird electrical problem [eua] by eua May 09, 2008 (12:17 pm)
Replying to: eua (May 06, 2008 10:48 am) Ignore my last post. The problem is still there they did not fix anything by replacing some parts. About remote. Yes I've tested both remote keys - same thing and same problem. Shoot It smells like lemon
#60 of 89 record the repair history by ceric May 10, 2008 (10:42 am)
Record your repair history on this issue. After three attempts, you can ask for a new CX-9 under lemon law. Good luck.

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