Airbag light on, dealer says it's a faulty roll sensor?

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Old 07-11-2017, 07:41 PM
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Airbag light on, dealer says it's a faulty roll sensor?

Does this make sense? Why would a faulty roll sensor cause the airbag light to come on?

If it is, where is the sensor located? I've found some online that are much cheaper than the dealer's quote (almost $600), and I can't imagine this isn't something I can just replace myself.

Thanks for the help!
Old 07-12-2017, 06:48 AM
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in modern cars, there are A TON of sensors. I've never heard of a roll sensor. so, you might want to call back and ask to clarify what a roll sensor is...

air bag sensors are called SRS sensors.
and if the dealer gave you a quote, surely they must have given you the part #...
thus how you came to find out cheaper options...Please give us that part # and or the cheaper options, so that we can take a once over and see if that is the part you need.
Old 07-12-2017, 09:14 AM
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Roll sensor detechs the car's leaning angle to monitor a possible roll over. During a roll over it will activate the side curtain air bags to prevent occupance from being ejected from the vehicle.

Located in between the front seats. $103.

Do not mess with the SRS system unless you know what you are doing.
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Old 07-12-2017, 12:07 PM
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Originally Posted by 01acls
Roll sensor detechs the car's leaning angle to monitor a possible roll over. During a roll over it will activate the side curtain air bags to prevent occupance from being ejected from the vehicle.

Located in between the front seats. $103.

Do not mess with the SRS system unless you know what you are doing.
Is this not a simple unplug the old and plug in the new? What would I have to be careful with? The dealership wants almost $600 to replace it, with a ~$350 part. If it's dangerous for me to touch it then I won't, but at first glance it seems fairly straightforward.
Old 07-12-2017, 01:24 PM
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It's one of those things where if you're playing with anything that can potentially affect the deployment of an airbag, you want to take all precautions. Disconnect power, double and triple check all your work, even if it seems simple and straightforward. There was an article in the news just yesterday about a dude working on his old Honda that died because the airbag deployed with him working on the dash.
Old 07-12-2017, 02:27 PM
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Originally Posted by Stinsonbr
Is this not a simple unplug the old and plug in the new? What would I have to be careful with? The dealership wants almost $600 to replace it, with a ~$350 part. If it's dangerous for me to touch it then I won't, but at first glance it seems fairly straightforward.
AP, Honda: Takata airbag inflator kills man fixing Accord at home | Repairer Driven News

On paper it is but in real life shit happens.

The SRS system have provisions in place to activate the air bags in case during an accident the battery cables get severed so unless you know for a fact what the proper procedures are from the manufacturer of the SRS's system then you're gambling with your life. And for what $600? Isn't your life worth more than $600?

It takes less than 1 volt to activate the air bags, static electricity will due just fine... Just saying.

At a minimum you should read the service manual for pertant information.

As an ulternative to the dealership you could get estimates from autobody shops.

Be smart and educate yourself and then make an educated decision based on your skill level.

Tip, always use a mechanics grounding strap when working on the SRS system to prevent static electricity build up.
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Old 07-12-2017, 02:46 PM
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^^^ Great post.
Old 07-12-2017, 02:50 PM
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I dont even mess with a simple "clock spring repair" cuz that involves messing with the drivers air bag
Old 07-12-2017, 02:59 PM
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I wasn't even thinking of injury or death . I was thinking more along the lines of accidentally deploying the air bags and then looking at replacement costs for those vs. paying someone to replace the sensor.
Old 07-12-2017, 03:07 PM
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Thanks everyone, this is exactly the info I was looking for. I didn't know the dangers and wanted opinions, you guys rock. We'll call around and see who we can get a better deal with, but I won't be touching it myself.

Cheers




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