Why would my car not recognize my fobs?

Asked by May 16, 2016 at 03:24 PM about the 2014 Mazda CX-9 Grand Touring AWD

Question type: Maintenance & Repair

My blind spot monitor stopped working about a
month ago.  Now my car doesn't recognize either
of my remotes....that issue got progressively
worse until now they don't work at all.

1 Answer

110

Unfortunately you need to take it to the dealer. The battery in the key fob could be going bad or maybe if you dropped it also. If it's not responding the only way to fix that is by having the dealer use a manufacturer scan tool to rewrite the ids to the theft deterrent module. The blind side module probably is a seperate issue. Although with out a full description and operation of the theft deterrent system it's hard to tell. The blind side module may some how communicate with the the theft deterrent module. But that's something only the dealer would be able to determine. All these new cars have about 20 to 30 modules that communicate with each other and with a factory scan tool it's impossible to tell. You could have 5 trouble codes in your blindside module and it won't turn your check engine light on because the codes that turn your check engine light on have to do with emissions and things that could damage your converters. I recently had a Mazda with the Bsm light flashing... Blindside module... And the issue was one of the sensors in the rear bumper was disconnected. Any kind of back up camera or rear view camera used sensors on the rear bumper and front bumper to alert you of a close object. So if you were in an accident even if someone just bumped one of those sensors it could very possibly damage that module. Once again the dealer would be able to use the manufacturer scan tool to pull codes for that module. Hope this helps but it needs to go to the dealer to solve this issues so don't go to a local shop bc the will just through parts at it and it's a 2014 so it would be under warranty

1 of 1 people found this helpful.

Your Answer

Mazda CX-9 Experts

  • #1
    TransAm77
    Reputation
    70
  • #2
    Lukasz Szewczyk
    Reputation
    50
  • #3
    Tom Demyan
    Reputation
    40
View All

Related Models For Sale

Used Mazda CX-5
216 Great Deals out of 26,417 listings starting at $7,955
Used Toyota Highlander
533 Great Deals out of 42,771 listings starting at $2,009
Used Honda Pilot
592 Great Deals out of 37,537 listings starting at $1,995
Used Acura MDX
424 Great Deals out of 13,494 listings starting at $795
Used Ford Explorer
1,075 Great Deals out of 67,913 listings starting at $1,200
Used Chevrolet Traverse
662 Great Deals out of 33,291 listings starting at $3,900
Used Kia Sorento
484 Great Deals out of 34,995 listings starting at $1,800
Used Nissan Pathfinder
470 Great Deals out of 23,250 listings starting at $1,995
Used GMC Acadia
806 Great Deals out of 43,372 listings starting at $2,800
Used Buick Enclave
448 Great Deals out of 25,319 listings starting at $3,995
Used Jeep Grand Cherokee
888 Great Deals out of 72,011 listings starting at $900
Used Hyundai Santa Fe
252 Great Deals out of 17,643 listings starting at $1,950
Used Honda CR-V
711 Great Deals out of 63,714 listings starting at $1,495
Used Nissan Murano
430 Great Deals out of 24,771 listings starting at $400

Used Cars For Sale

2017 Mazda CX-9 Grand Touring AWD For Sale
138 listings starting at $34,000
2016 Mazda CX-9 Grand Touring AWD For Sale
3 Great Deals out of 84 listings starting at $31,317
2015 Mazda CX-9 Grand Touring AWD For Sale
11 Great Deals out of 161 listings starting at $18,900
2014 Mazda CX-9 Grand Touring AWD For Sale
7 Great Deals out of 136 listings starting at $14,980
2013 Mazda CX-9 Grand Touring AWD For Sale
6 Great Deals out of 43 listings starting at $11,939

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.