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Old 08-19-2015, 02:26 PM   #1
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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 08-19-2015, 10:45 PM   #2
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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 08-20-2015, 02:59 AM   #3
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Thanx ..

And why service suspension ? Where is the problem ?
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Old 08-20-2015, 10:39 PM   #4
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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?

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Old 08-20-2015, 11:13 PM   #5
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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 08-20-2015, 11:14 PM   #6
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No stabilitrak or tsc
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