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Author Topic: Fault 81 Passenger SideAirbag Sensor Communication  (Read 1049 times)

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Kate

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Fault 81 Passenger SideAirbag Sensor Communication
« on: 19 July 2011, 16:20:10 »
I keep getting this fault and it keeps coming back after I've cleared it with "My Naff Code Reader". The airbag light stays on all the time. I've tried reseating the connector in the door but the fault comes back after a week or two.

The worst thing is that my battery keeps going flat if I don't use the car everyday.

Has anyone got any ideas?  Jimbob has already given me loads of help with this but I don't want to keep bothering him as I know he's busy.

Any help will be greatly appreciated! :y :-* :-* :-*
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Kate

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #1 on: 20 July 2011, 00:16:55 »
Nobody got a clue eh! ;D ;D ;D
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Kate

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #2 on: 20 July 2011, 00:19:46 »
Not sure if I have posted in the right section?  The fault is a physical connection though, right? :-[
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albitz

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #3 on: 20 July 2011, 00:22:00 »
I tried to clear an airbag fault and turn off the airbag light on Twiglets car tonight with "a fault code reader from ebay" (were not allowed to use the "O" word due to copyright legalities), It cleared the code, but the light didnt go off.
I did the same on my own car a few weeks ago and the light went off, so ?????
Maybe tech2 is the only guarenteed way to do it ? :-/
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Jimbob

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #4 on: 20 July 2011, 07:51:29 »
I think the sensor may have gone faulty and need changing, or the connector has come loose inside the door at the other end of the cable.

Suspect its door card off time and have a play, and if your doing that, id be tempted to have a spare to swap in at the same time.

Can you save the live data from the airbag ecu and post it up here, may give us more than just the fault code.
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Kate

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #5 on: 20 July 2011, 10:36:08 »
This is what I got last time:

"My Naff Code Reader" 100219a - PC based diagnostic tool                        
                        
Date and time>      28/06/2011. 17:5600                  
                        
Workshop information:                        
                        
hkj                        
                        
                        
Selected model>      1998 (W)      Omega-B      Body      Airbag SAB6
                        
Control Unit:                         
                        
KW82 protocol initialized.                        
                        
ECU ID= DC      90565938      S0052655      440602      1398
                        
                        
Measuring blocks information:                        
                        
System Voltage      11.44 V                  
System Voltage Status      Okay                  
Airbag Configuration      Side Airbags                  
Pretensioner Configuration      Driver&Passenger                  
Driver Airbag Squib Circuit Resistance      3.03 Ohm                  
Passenger Airbag Squib Circuit Resistance      2.15 Ohm                  
Driver Pretensioner Circuit Resistance      2.33 Ohm                  
Passenger Pretensioner Circuit Resistance      2.25 Ohm                  
Driver Side Airbag Squib Circuit Resistance      2.80 Ohm                  
Driver SAS Message Status (Side Airbag Sensor)      Okay                  
Passenger Side Airbag Squib Circuit Resistance      2.56 Ohm                  
Passenger SAS Message Status (Side Airbag Sensor)      Okay                  
Reset Passenger Side Airbag After Activation (DTC69)      Inactive                  
Reset Driver Side Airbag After Activation (DTC68)      Inactive                  
Reset Pretensioning Devices After Activation (DTC67)      Inactive                  
Driver SAS Initialisation Status (Side Airbag Sensor)      Okay                  
Driver SAS Communication Error (Side Airbag Sensor)      None                  
Passenger SAS Initialisation Status (Side Airbag Sensor)      Okay                  
Passenger SAS Communication Error (Side Airbag Sensor)      None                  
DTC set since      0                  
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Kate

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #6 on: 20 July 2011, 13:05:31 »
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TheBoy

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #7 on: 20 July 2011, 23:50:40 »
Assuming the wiring is OK (check loom in door, sometimes corrode), its most likely the sensor itself.

Reliable enough to use 2nd hand, so try a wanted ad in Parts for sale section :y.  I know Albs and others are breaking whole cars.
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albitz

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #8 on: 20 July 2011, 23:56:24 »
Im pretty sure I only have the drivers door sensor left. Pretty sure Twiglet will haveone though. :y
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Kate

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Re: Fault 81 Passenger SideAirbag Sensor Communication
« Reply #9 on: 21 July 2011, 11:27:11 »
Thanks very much, I'll PM Twiglet to see if he's got one. :y
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