1994 Q45 BCM

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Lokim
Posts: 681
Joined: Mon May 10, 2010 12:47 am
Car: 1994 Infiniti Q45 acquired 4/25/10 w/192K
Now at 222K and going strong!
Location: Seattle, WA
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Hey guys, my BCM is geekin' out. When I use the keyless entry remote or the switch on the door, the locks unlock and re-lock rapidly. Plus, the alarm has been going off at random. I checked around online, and the cheapest BCM I found was $756 + shipping. Anybody have one laying around? My car is a base model, no TCS, no HICAS.


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Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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1994-1996 Infiniti Q45 Body Control Modules are all the same but later years are better VS a 1994 because of upgrades to electronics and software. And they are a year or two younger of course.

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mattd1979
Posts: 710
Joined: Fri Oct 29, 2004 6:08 am
Car: 1990 Pearl White Q45 plain Jane with 266,000 miles. 2015 moonlight white metallic Q70L with 20” wheels, sport brakes and a 5.6L at 58,000 miles.
Location: Jacksonville

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Lokim wrote:Hey guys, my BCM is geekin' out. When I use the keyless entry remote or the switch on the door, the locks unlock and re-lock rapidly. Plus, the alarm has been going off at random. I checked around online, and the cheapest BCM I found was $756 + shipping. Anybody have one laying around? My car is a base model, no TCS, no HICAS.
You might want to check the rubber boots on the door plunger switches. If the boot is torn and the top part lays over to one side, the plunger switch doesn't get pushed in enough causing the BCM to think that the door is still open. You would notice your interior lights on at night also. I was getting this same problem with the alarm randomly going off and the door locks not staying locked, although My Q is a '90.


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