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B0012 air bag light on sierra 2013

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Old Aug 19, 2015 | 01:26 PM
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Default B0012 air bag light on sierra 2013

Hi

I have sierra 2013 5.3

Airbag on and service suspention on


B0012 i cant find the definition of this code ?

And why the service suspention message on ?
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Old Aug 19, 2015 | 09:45 PM
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Two separate problems......

B0012 concerns the circuit to the driver'* air bag.......could be air bag, SIR coil, wiring , connections(sometimes disconnecting/reconnecting the harness solves the problem), SDM, etc....
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Old Aug 20, 2015 | 01:59 AM
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Thanx ..

And why service suspension ? Where is the problem ?
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Old Aug 20, 2015 | 09:39 PM
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I said it was a separate problem....

Is this message in the DIC?

Exactly what does it say?

Have anything to do with Stabilitrak or TCS?

1500, 2500, 3500 Sierra?

Last edited by Tech II; Aug 20, 2015 at 09:42 PM.
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Old Aug 20, 2015 | 10:13 PM
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1500 sierra

Message in DIC ONLY

SERVICE SUSPENSION SYSTEM

there is sound of air compressor when starting engine
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Old Aug 20, 2015 | 10:14 PM
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No stabilitrak or tsc
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