"Service Air Bag" Indicator - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 18 (permalink) Old 09-06-2016, 12:18 PM Thread Starter
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"Service Air Bag" Indicator

I recently replaced a turn signal module on my 2007 Cobalt LS. The swap worked fine - but, now I have an indication that my air bag needs servicing. Is there any wiring in the steering column I could have disturbed, that is implicated? I took it to Auto Zone to run a code, but it came up empty - no code found. I tried disconnecting the negative terminal of the battery for a few minutes, to no avail. Not sure what else I might be able to do, to further diagnose.

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Dan
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post #2 of 18 (permalink) Old 09-06-2016, 03:05 PM
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What do you mean by turn signal module?

---------- Post added at 07:05 PM ---------- Previous post was at 07:04 PM ----------

Turn signal lever maybe?

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post #3 of 18 (permalink) Old 09-06-2016, 05:13 PM Thread Starter
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post #4 of 18 (permalink) Old 09-06-2016, 05:23 PM
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Yeah that's the lever, but I don't think you can disrupt the airbag wires by changing the lever. Airbag is separate harness that runs to the clock spring. Could be one of a few things. Regular OBDII readers won't read ABS and SRS codes, you need a TechII or similar reader. Lots of times it's the passenger presences seat switch where people clean under the seat and inadvertently disconnect it.

---------- Post added at 09:23 PM ---------- Previous post was at 09:22 PM ----------

Check that first.

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post #5 of 18 (permalink) Old 09-06-2016, 05:36 PM Thread Starter
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Ah! So, the complaint could actually be coming from the passenger side... OK, will check the connectors. Any harm in disconnecting/reconnecting for good measure?

Thanks for the tip
Dan
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post #6 of 18 (permalink) Old 09-06-2016, 06:14 PM
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Nope should actually do it a good cleaning.

---------- Post added at 10:14 PM ---------- Previous post was at 10:13 PM ----------

That is the most common issue but it could be any one of the sensors.
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post #7 of 18 (permalink) Old 09-09-2016, 04:02 PM Thread Starter
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OK, finally getting around to checking the under-the-seat connectors. I disconnected, and snugged up real well; still, the indicator is on.

It seems to me a remarkable coincidence that I (successfully) replaced the turn signal lever - by taking apart the steering column housing as described here - and this indicator came on. At any rate, what's the next step in my diagnosis?

Thanks
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post #8 of 18 (permalink) Old 09-11-2016, 11:19 AM Thread Starter
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Quote:
Originally Posted by shortmort37 View Post
At any rate, what's the next step in my diagnosis?
*Bump*
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post #9 of 18 (permalink) Old 09-11-2016, 12:39 PM
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Did you check the airbag fuse? fuse 13 in BCM fuse block.

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post #10 of 18 (permalink) Old 09-11-2016, 01:29 PM Thread Starter
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Ah, did not know about that fuse - or even, that fuse block. Now I know where it is.

Checked the fuse, it's good.
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