Airbag warning light following battery change. - Alfa Romeo Forum
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Airbag warning light following battery change.

My 147 1.6 lusso was completely dead this morning apart from ESR, EBD & ABS failure lights showing on the dash. I called the RAC out and he straight away diagnosed a dead battery and sure enough the car started immediately on his charger but his meters showed no draw at all from the alternator. So off I went to Halfords to get a new battery and 10 mins later after fitting and resetting the computer time/date etc the car started and we're all back to normal Except for the Airbag light in the dash now fails to go out after the 4 seconds suggested in the manual.
Has anyone else had a similar problem and can it be easily resolved without the obligitory trip to a main dealer.
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Re: Airbag warning light following battery change.

Unfortunately, the airbag light needs to be reseted on examiner, so you need to visit the dealer I am afraid

Have your alternator checked by the dealer as well, to be sure.
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Re: Airbag warning light following battery change.

Same happened to me. When the examiner was connected it did indeed say 'Low Voltage Detected'
This was reset but the other fault code was the Airbag ECU. This could not be reset.
So the connection to the good battery had put a spike through the ECU which burnt it out.
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