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Power seats installed - SRS issues

  • Thread starter Deleted member 35644
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Deleted member 35644

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Hey guys,
In an attempt to convert the seats in my base Ecoboost to dual power (no heat/cool), I picked up a whole cloth power (no heat/cool) passenger seat from a wrecked '19 GT, and a power seat track only from a different '19 GT.

I put my new leather on the passenger seat as-is, and installed it. With the ignition on, nobody in the car, the Passenger Airbag Off light is on. When I sit down on the passenger seat, it switches to Passenber Airbag On. When I get out, it switches back. Power adjustments work. I didn't notice at that time if the airbag light was on or off, but everything seems good to go.

I moved my car's original driver's seat backrest over to the 'new' driver's power seat track, added a lumber adjustment motor & cable to it, put the leather on it, and put it in the car.

Got an airbag light.

Bought a code reader, got a couple of faults. Cleared them. Took the new passenger seat out, put the old one back in, drove around, no airbag light, no new codes.

Put the "new" passenger seat back in, got the airbag light. Below are the codes.

Code B119300-AB CMDTCs seems to mean that the Airbag Contol Module needs to be replaced, which makes no sense, since that's part of the car, and the car hasn't been in a wreck. The passenger seat was in a car that was crashed, but the airbag is intact. I assume that something in the seat knows it's been in a wreck, and that's where this is coming from. Replacing any part of the car doesn't seem sensible to fix this.

Do you think switching the backrest from my stock seat over to the new passenger seat will clear this, since the car will recognize its original airbag?

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Jaymar

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I think it's worth a shot. The airbag "module" may not be a single, central module as we have become accustomed to. With CAN vehicles it is not uncommon to decentralize many modules now putting them local to some of the devices. Ergo, the inflator/airbag module in the seat back may be the module in question that has been locked by a trigger event even if it didn't deploy.
 
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Deleted member 35644

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That did the trick. Never woulda guessed an undeployed bag would tell the car it's no good. Thanks for the input! Now to wrestle the leather on... again.
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