Ive ben having issues with the airbag light coming on

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I read the codes and got 54 which is open in passenger squib circuit

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I wiped the codes and it stayed off for six months

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its now come back and I cant get rid of it.

I unplugged all the wires to the airbag ecu and cleaned the plugs and it still wont go away

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the plug to the passenger side has three wires but I didn't go any further

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I might take the airbag off and have a look

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do you get to it, through the glove box.

and if the airbag is no good where would you get a new one from

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theres hardly any info on the internet about this.

cheers