Question about 2006 Toyota Corolla

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B1650 code, air bag light came on after being in a rear end collison, however no one was in the passenger seat is this normal?

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It could be that the rear collision sensors (or any of the other ones were damaged in the collision). They work as a system so if one is down, it may effect the others. The dealer can diagnose and reset if there isn't any damaged sensors. Before you take it to them, try to determine if the wiring harness under the seats might be unplugged or corroded. It's not uncommon after a collision.

Posted on Mar 27, 2014


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Posted on Jan 02, 2017

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SOURCE: DTC B1650 occupant classification system

If it is like a Chrysler, you will need to go to the dealer and have them redo the OCS. This has to do with the passenger airbag system and how much force it will send the air bag with.

Posted on May 28, 2009

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2014. What are the probable causes of DTC B1650?

go google and type in--- fault code b1650 on toyota 2014 model--and there is a site which has a pdf down load and explanation of the fault
it concerns the passenger initialization of the air bag systems and how they are locked out if there are no passengers
it requires a special procedure to reset it
it covers recalls as well
I would suggest that you down load the pdf version, study it then take the car to a service dealer senter and have it fixed under warranty

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Hi Jig, I suggest you take the vehicle back to the same center where the recall was carried out, as it seems to me that something was not done correctly. Regards John

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How do I fix code B1650 on a 2009 Toyota sequoia?

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Codes b1650 & b1785 on a 06 corolla came on what it posibly be?

B1650 Occupant classification System malfunction there are 4 possible trouble area No.2 floor wire,Front RH seat,center air bag assemble.
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1 Answer

Codes b1650 and b1346

Could your codes be different than mine? I could find anything starting with B, they all started with P.

I found no P1346 code, but found P1650 which is

P1650 Powertrain control module fault (quad driver 2)
This has to do with the transmission and if you have a manual transmission I think it doesn't apply.

If the airbag light is not coming on, this indicates a bulb is burnt out or the airbag control module is bad.

Good luck on this one.

Jul 06, 2010 | 2003 Hyundai Tiburon

1 Answer

DTC B1650 occupant classification system fault. 2007 DTC B1650 occupant classification system and the vehicle has been in a rear end collision and i tried to have the OCS reset but in vain, please help

If it is like a Chrysler, you will need to go to the dealer and have them redo the OCS. This has to do with the passenger airbag system and how much force it will send the air bag with.

May 28, 2009 | 2009 Toyota Camry

2 Answers

Air bag light comes on and stays on. Never any accidents.

Had the same problem, found the wire disconnected under the driver seat (there is a yellow plug and with one red wire, which is fine, and one green wire, which is broken. Fixed the wire, light went off.
Email me if you need details

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This code means that the gas activated cylinders that tension the belts during a crash have gone off and need to be replaced

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DTC B1650 occupant classification system fault. 2007

If the vehicle has been in a rear end collision, expect this. If not, it just may need to have the Occ Class Sys reset. Toyota Dealer only.

Jul 18, 2008 | 2004 Toyota Prius

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