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Discussion Starter #1
1996 t100
2.7 4cyl 5sp

My truck has the airbag light always on, I checked the code and it is 31 - Center Air Bag Sensor Assembly Malfunction.

I little research suggests that replacing the airbag ECU (Control Module). Has anyone had this issue and fixed it without replacing the control module?

Where is the Control Module located on the 96 T100?

I've found several used ones online (junkyards), but want to make sure I get the right one. Does it matter if the unit is coming from a truck that has a different engine or other variables like auto vs manual etc.?

Is this a pretty easy (plug and play) replacement?
 

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1995 T100 2WD & 1993 MR2
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4,761 Posts
1996 t100
2.7 4cyl 5sp

My truck has the airbag light always on, I checked the code and it is 31 - Center Air Bag Sensor Assembly Malfunction.

I little research suggests that replacing the airbag ECU (Control Module). Has anyone had this issue and fixed it without replacing the control module?

Where is the Control Module located on the 96 T100?

I've found several used ones online (junkyards), but want to make sure I get the right one. Does it matter if the unit is coming from a truck that has a different engine or other variables like auto vs manual etc.?

Is this a pretty easy (plug and play) replacement?
Your the 1st I've seen mention this unit so I can't help ya with the location or job, but this is the unit I found for your truck with the info you mentioned.
They appear to be vehicle specific. You can put you VIN in this website and serch airbag and the sensor will come up.
 

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1998 T100 SR5 2WD
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14,106 Posts
The control module is located under the middle cover under the dash. Push the 2 pins in and you'll be able to pull the fasteners out. The cover will pull right off. Any SRS component will have yellow connectors/sockets/wiring covers so you can't mistake it fer anything else. You should be able to see the control module slightly off to the right of the opening. I think 2 or 4 screws hold it in place. Make sure you disconnect the battery negative connection before attempting disconnecting the module. You don't want to set the airbag off. ;)

You should be able to retrieve the part number off of the control module. Looks like www.car-part.com has a lot of control modules fer less than $100. You'll need to confirm the part number with the parts yard selling the control module. You'll need to also confirm that the module hasn't been in a flood nor has it been in a collision. If they can guarantee that, you should be good to go.

As old as these vehicles are, I'm not sure how well the components will hold up over time. This company will reset yer control module fer about $50. You might want to call them so you can find out exactly what they will do fer yer control module. ;)
 

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Any word on progress on this? I have a 1995 T100 with the same code. Mechanic quoted $650 to fix. I’ve looked around for the part and seen between 100-500$ to replace. May try a junkyard but looking for anyone who’s tackled this prior. Thanks!
 

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1998 T100 SR5 2WD
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14,106 Posts
Any word on progress on this? I have a 1995 T100 with the same code. Mechanic quoted $650 to fix. I’ve looked around for the part and seen between 100-500$ to replace. May try a junkyard but looking for anyone who’s tackled this prior. Thanks!
Welcome to the forums! :)

Was the vehicle in an accident? Do you have any issues with the wiring? There are companies that can reset the code if it was tripped due to an accident. ;)
 

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no accident. SRS light came on a month ago or so and at inspection threw a code 31.
as far as issues with wiring - do you mean 'can I wire it'? if so, sure...
I'm basically searching forums for a cheaper fix than $600, so if it can be a DIY, I'm willing to try - otherwise, the truck may be totaled in VA
 

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1998 T100 SR5 2WD
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14,106 Posts
You could try replacing the SRS control unit. Give www.car-part.com a visit and see what's near you. ;)
 

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1998 T100 SR5 2WD
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Here's a quick list just fer Virginia... ;)
Year
Part
Model Description Part
Grade Stock# US
Price Dealer Info Dist
mile
1997
Chassis Control Box(not Engine)
Toyota T100 3.4L AOD 4/97 C A81838 $74.99 AMA Recycling-IPART USA-VA(Danville) Request_Quote 434-791-1071 Request_Insurance_Quote
Live Chat 1025
1997
Chassis Control Box(not Engine)
Toyota T100 08/96,3.2L,AOD A 09248 $230 Shenandoah Auto Salvage, Inc. VARA USA-VA(Stuart-Draft) Request_Quote 1-540-943-2300 Request_Insurance_Quote
Live Chat 1084
1997
Chassis Control Box(not Engine)
Toyota T100 OFF C I013 $50 Hillside Inc. USA-VA(Broadway) E-mail 1-540-896-3794 1115
1997
Chassis Control Box(not Engine)
Toyota T100 2RC,2.7,AT,N-ABS AS-IS 90890 $Call American Auto Salvage USA-VA(Woodbridge) Request_Quote 571-418-8952 / 540-825-2571 Request_Insurance_Quote
Live Chat 1190
1997
Chassis Control Box(not Engine)
Toyota T100 Air Bag, (floor under center dash) C 180286 $75 Tubb's Used Auto Parts, Inc. VARA USA-VA(Norfolk) Request_Quote 1-757-545-8418 Request_Insurance_Quote
Live Chat 1198
 
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