I got fault code B0091 00 when scanning the controls on my 2009 Silverado 3500hd. I replaced the front impact sensor but still get the same code and cannot reset with a Aute l AL619. What would be the next step?

Comments

Unfortunately fault codes can narrow down a problem, but are still.. kind of generic.

 

The fault code B0091 00 does mean 'left side restarints fault sensor 1'

 

However, overall there are 3 possible causes including:

 

Faulty Left Side Restraints Sensor 1

 

Left Side Restraints Sensor 1 harness is open or shorted

 

Left Side Restraints Sensor 1 circuit poor electrical connection

 

So maybe you are missing something here  

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