C5 Weird Left Door Security Issue

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aRKay Contact options for registered users 's Avatar posted on
February 2, 2012, 7:41 pm
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My 2001 C5 Black Coupe seems to be having age issues with only 56K on
the clock.  The starter failed in the Wall Mart parking lot.  Long
shaggy dog story but I had the starter replaced and that is good.

I have a new issue with the left door lock.  If I exit the vehicle and
lock the doors with the key FOB, it does not always lock the left door
and when I open it the security system (horn and Lights) goes alerts the
world.

I suspected a bad door lock motor (or whatever it is called); however, I
can manually lock the door and it stays locked until I use the key FOB to
unlock it. No security alert.

The alert seems to happen only when locked by the Key FOB.  Is there
a sensor in the left door that could be causing the problem.


Dick

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aRKay Contact options for registered users 's Avatar posted on
February 3, 2012, 12:25 pm
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Re: C5 Weird Left Door Security Issue



I just pulled the codes and got

BFA-40 1 code BO432 and when I looked it up it was for the RR DEFOG
relay?

and got another code B0-RFA 1064 and 99 HVAC BO348HC dealing with the AC

I tried using WD-40 on the lock and latch and that did nothing but make
a mess.

If I lock the vehicle using the key fob from outside the car, I head
something that sounds like an activator and the lights flash; however,
the car is not locked so when I pull the door handle it sounds the
security alam

 

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