2007 Tahoe "Service Airbag Light" - Team Camaro Tech
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post #1 of 3 (permalink) Old Feb 17th, 13, 11:26 AM Thread Starter
DT
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Donny
 
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2007 Tahoe "Service Airbag Light"

Anyone have any idea what Code u0073 is ??? I have a 2007 Chevy Tahoe and the "SERVICE AIRBAG SYSTEM" light is on. Thx

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post #2 of 3 (permalink) Old Feb 17th, 13, 12:38 PM
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Re: 2007 Tahoe "Service Airbag Light"

There should be another code or codes to accompany it... it's general communications errors. Run it by the auto parts store and have them scan it. Almost all manufacturers use this code too. From everything I could find on the internet, it could be a hundred different things. The TSB's for the Tahoe don't show an Air Bag issue though.

From the world wide web (a Saturn site)

U0073 Control Module Communication Bus Off

A U0073 isn't just a BCM code. Almost any of the vehicles systems can cause it.

The manual says the following modules can set a U0073:

BCM, DRR, EBCM, ECM, HVAC IPC, PSCM, Radio, RCDLR, RSA, SDM, TCM, TDM, and VCIM.

Could be somethig as simple as a loose electrical connector, low voltage situation, blown fuse or complete failure of one of the modules.

Gonna need a GM TEC2 to figure this one out.

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Last edited by HwyStarJoe; Feb 17th, 13 at 12:48 PM.
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post #3 of 3 (permalink) Old Feb 17th, 13, 12:51 PM Thread Starter
DT
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Re: 2007 Tahoe "Service Airbag Light"

Thanks Joe, I didn't have any other codes??

1969 X66 396 LeMans Blue, M20, 373 (Sold)
1969 Convertible LS3 TKO 600, 373
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