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post #1 of (permalink) Old 01-30-2019 Thread Starter
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"service side detection system" message

I have a 2015 Impala LTZ 6 cyl. with the blind spot warning and rear parking assist option. I am getting this message on the dash. The blind spot lights in the mirrors do light up when the car is started as usual and do not remain on. They do not react to approaching traffic. The left side mirror occasionally lights up while driving for no apparent reason. This occurs on 2 lane rural roads with mine being the only vehicle.
The dealer wants $96 just to "diagnose" the problem. What seems to be the problem and how difficult is it to fix.
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post #2 of (permalink) Old 01-31-2019
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IIRC a few of the forums members have had that problem, I believe that it was sensor in the rear of the car left or right. Moisture gets inside the sensor box and makes it swell. I would probably have the dealer due it. There are many issues like program the unit to the BCM and then clear any codes associated with faulty unit.

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post #3 of (permalink) Old 02-06-2019
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I have the exact same problem as qbymarty (thread starter) with my 2015 LTZ. It appears that this side detection system is pretty crappy and not very tolerant of splashing water and snow, which is not uncommon in New England. Is there some DIY test that can be don to tell if it is the sensor(s) or the control module(s). I'd like to not be at the mercy of the dealership telling me I'm looking at $1000-$2000 repair bill when $500.00 will fix the system. I've never liked all this modern electronic systems stuff on cars...all it does is help line the dealership pockets when they break. They are usually not easy or cheap to fix. An to make matters worse if this system is as crappy as it sounds, I'll probably be replacing these things a few time before I get rid of the car.
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post #4 of (permalink) Old 4 Weeks Ago
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It happened to me, I took the car to the local dealer, they upgraded the ROM software to o the latest version and that’s it, it worked great.
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post #5 of (permalink) Old 4 Weeks Ago
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Apparently GM has a program in place for the side detection modules. The special service bulletin is #N172097060 . If your Impala has less than 80K on the clock you should be good to go.

1998 Pontiac Bonneville SE - Sold at 173K
Mods: Heated seats from a '98 Seville, Radio from a 2010 Pontiac G6, and much more!

2009 Chevrolet Impala LTZ(Daily Driver)
Mods: MyLink System from a 2017 Traverse, OnStar Generation 10 Upgrade, Heated steering wheel from an '08 Lucerne, Police spotlight and 9C1 wheels.

1999 Ford F-150
Picked up for 400 bucks and a case of beer! It's the deal of the year!

Who said you had to buy a new car to get new car features?
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