A6 01220 - Rear Side Airbag Igniter; Passenger Side (N202) 002 - Lower Limit Exceeded

   #1  

acseymour

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A6 C6 4F 2006 Australia
I removed rear seat base cushion to access fuel pump connections under seat to replace fuel lines.
On reinstalling seat cushion I now have the Air Bag light on with the following VCDS Fault Coding

Monday,16,September,2019,13:09:12:28258
VCDS Version: Release 19.6.1 (x64) Running on Windows 10 x64
www.Ross-Tech.com

Address 15: Airbags Labels: 4F0-910-655-8R.CLB
Control Module Part Number: 4F0 910 655 E HW: 4F0 959 655 B
Component and/or Version: 4F AIRBAG AUDI8RH29 0280
Software Coding: 0013382
Work Shop Code: WSC 02325 785 00200
VCID: 290FFC4915FFC46FBD7-807C
1 Fault Found:

01220 - Rear Side Airbag Igniter; Passenger Side (N202)
002 - Lower Limit Exceeded - MIL ON

I have not been able to reset the fault code using VCDS.
There are two airbag sensor/switches at the rear base of the seat and I believe it to be the left one on a right hand drive vehicle.
Both appear in good condition however the left one moves more on its mounting frame.
Has anyone else had a similar issue after removing the rear seat.
A Google search has not really identified any cause or solution.

Vehicle scan Below

Code:
Monday,16,September,2019,09:40:34:28258
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.1.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20190529 DS308.0
www.Ross-Tech.com


VIN: WAUZZZ4F07N011459   License Plate: 


Chassis Type: 4F (4F0)
Scan: 01 02 03 05 07 08 09 0E 15 16 17 19 37 42 46 47 4F 52 53 56
          61 62 72 76 77

VIN: WAUZZZ4F07N011459   Mileage: 139020km-86383miles

00-Steering Angle Sensor -- Status: OK 0000
01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
05-Acc/Start Auth. -- Status: OK 0000
07-Control Head -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
0E-Media Player 1 -- Status: OK 0000
15-Airbags -- Status: Malfunction 0010
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
37-Navigation -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
53-Parking Brake -- Status: OK 0000
56-Radio -- Status: OK 0000
61-Battery Regul. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
76-Park Assist -- Status: OK 0000
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (AUK)       Labels:. 06E-910-559-BKH.clb
   Part No SW: 4F1 910 559 R    HW: 4F1 907 559 D
   Component: 3.2l V6 FSI         0020  
   Revision: --H19---    Serial number:               
   Coding: 01050003190F0120
   Shop #: WSC 02325 785 00200
   VCID: 3A2D3305E0597FF7C4D-806E

1 Fault Found:
012425 - Signal Line for Fuel Pump Electronics 
               P3089 - 007 - Electrical Malfunction - Intermittent
             Freeze Frame:
                    Fault Status: 00100010
                    Fault Priority: 2
                    Fault Frequency: 4
                    Reset counter: 38
                    Mileage: 139001 km
                    Time Indication: 0

             Freeze Frame:
                    RPM: 0 /min
                    Mass Air / Rev.: 0.0 mg/str
                    Temperature: 43.5°C
                        Engine Off
                    Pressure: 0.7 bar
                    Speed: 0.0 km/h

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 09L-927-760.lbl
   Part No SW: 4F2 910 156 G    HW: 09L 927 156 C
   Component: AG6 09L 3.2 FSI RdW 0010  
   Revision: --H01---    Serial number:        4190458
   Coding: 0000001
   Shop #: WSC 02325 785 00200
   VCID: 290FFC4915FFC46FBD7-807C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 4F0-910-517.clb
   Part No SW: 4F0 910 517 AD    HW: 4F0 614 517 AA
   Component: ESP8 quattro    H01 0060  
   Revision: 00000000    Serial number: 00000000000000
   Coding: 0020895
   Shop #: WSC 02325 785 00200
   VCID: 6695B775C4612B17505-8032

No fault code found.

-------------------------------------------------------------------------------
Address 05: Acc/Start Auth.        Labels:. 4F0-910-852.clb
   Part No SW: 4F0 910 852     HW: 4F0 905 852 B
   Component: FBSAUDIC6 ELV   H31 0210  
   Revision: 27120501    Serial number: 10601000446366
   Coding: 0000023
   Shop #: WSC 02323 785 00200
   VCID: 6393AE6137535E3FB7B-8036

   Subsystem 1 - Part No: 4F0 910 131 C
   Component: FBSAUDIC6 EZS   H45 0080

   Subsystem 2 - Part No: 4F0 910 335 
   Component: FBSAUDIC6 KSG   H27 0080

   Subsystem 3 - Part No: 4F0 910 220 F
   Component: FBSAUDIC6 IDG   H01 0060

No fault code found.

-------------------------------------------------------------------------------
Address 07: Control Head        Labels: 4F0-910-7xx-07-H.clb
   Part No SW: 4F0 910 731 D    HW: 4E0 035 729 
   Component: Interfacebox    H43 2830  
   Revision: 00000000    Serial number: 350ET067690907
   Coding: 0000002
   Shop #: WSC 02335 785 00200
   VCID: 2313EE6177D31E3FF7B-8076

   Subsystem 1 - Part No: 4F0 910 609 E
   Component: Bedienteil MMIC6H02 0060

   Subsystem 2 - Serial number: 00000000429279

   Subsystem 3 - Serial number: 0130.05.060000000100010553ÿ

   Subsystem 4 - Serial number: 010553ÿ

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 4F0-910-043.clb
   Part No SW: 4F0 910 043     HW: 4F2 820 043 M
   Component: KLIMABETAETIGUNGH20 0170  
   Revision: 00000030    Serial number: 00000030129589
   Coding: 0533574
   Shop #: WSC 02325 785 00200
   VCID: 5BE396810F2366FFFFB-800E

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels: 4F0-910-279.lbl
   Part No SW: 4F0 910 279 L    HW: 4F0 907 279 B
   Component: ILM Fahrer      H17 0240  
   Revision: 00000000    Serial number: 4F0907279     
   Coding: 0000101
   Shop #: WSC 02335 785 00200
   VCID: 323D1B25382987B70CD-8066

   Subsystem 1 - Part No: 4F2 910 113 A
   Component: Wischer AudiC6  H04 0190  
   Coding: 00064784
   Shop #: WSC 02335  

   Subsystem 2 - Part No: 4E0 910 557 A  Labels: 8K0-955-559.CLB
   Component: REGENLICHTSENSORH12 0090  
   Coding: 00146221
   Shop #: WSC 02335  

No fault code found.

-------------------------------------------------------------------------------
Address 0E: Media Player 1        Labels: 4E0-910-111.lbl
   Part No SW: 4E0 910 111 F    HW: 4E0 035 111 A
   Component: CD-Changer      H44 0470  
   Revision: 00000000    Serial number: AUZ5ZBF8127872
   Shop #: WSC 00000 000 00000
   VCID: 1C61D59D4AAD21C7361-8048

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 4F0-910-655-8R.clb
   Part No SW: 4F0 910 655 E    HW: 4F0 959 655 B
   Component: 4F AIRBAG AUDI8RH29 0280  
   Revision: 08H29000    Serial number: 0037LD0EZU5%  
   Coding: 0013382
   Shop #: WSC 02325 785 00200
   VCID: 290FFC4915FFC46FBD7-807C

   Subsystem 1 - Serial number: 6332CSME0F4D196BK

   Subsystem 2 - Serial number: 6342CSME0F4D1942A

   Subsystem 3 - Serial number: 6352QSME1002503B%

   Subsystem 4 - Serial number: 6362QSME100936614

   Subsystem 5 - Serial number: 63734SME105A3831W

   Subsystem 6 - Serial number: 63834SME0E6E03095

1 Fault Found:
01220 - Rear Side Airbag Igniter; Passenger Side (N202) 
            002 - Lower Limit Exceeded - MIL ON

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 4F0-910-549.lbl
   Part No SW: 4F0 910 549     HW: 4F0 953 549 A
   Component: Lenksäulenmodul H08 0230  
   Revision: 00H08000    Serial number: 90026061510265
   Coding: 0102141
   Shop #: WSC 02323 785 00200
   VCID: 6695B775C4612B17505-8032

   Subsystem 1 - Part No: XXXXXXXXXXX 
   Component: Lenkradmodul    H07 0090

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 4F0-910-xxx-17.lbl
   Part No SW: 4F0 910 900 C    HW: 4F0 920 901 B
   Component: KOMBIINSTR. M73 H12 0070  
   Revision: 00100000    Serial number: 58T149X56     
   Coding: 2049743
   Shop #: WSC 07484 002 1048576
   VCID: 2019E16D66C50527EA9-8074

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 4F0-910-468.clb
   Part No SW: 4F0 910 468 A    HW: 4F0 907 468 D
   Component: Gateway         H11 0070  
   Revision: 11          Serial number: 130080660380B7
   Coding: ECFE53C41B3104
   Shop #: WSC 22050 822 66649
   VCID: 270BFA7103EBF21FAB3-8072

No fault code found.

-------------------------------------------------------------------------------
Address 37: Navigation        Labels: 4E0-910-88x-37.lbl
   Part No SW: 4E0 910 888 J    HW: 4E0 919 887 D
   Component: MNS ECE         H47 1040  
   Revision: 00000000    Serial number: 364EP067560605
   Shop #: WSC 22050 822 66649
   VCID: 35372039C947908F29F-8060

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels: 4F0-910-793-42.lbl
   Part No SW: 4F0 910 793 E    HW: 4F0 959 793 E
   Component: TSG FA          H12 0120  
   Revision: 00000000    Serial number: X•d
   Coding: 0016922
   Shop #: WSC 02327 785 00200
   VCID: 2C01055D1A0DD147461-8078

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 4F0-910-289.lbl
   Part No SW: 4F0 910 289 G    HW: 4F0 907 289 G
   Component: Komfortgeraet   H22 0170  
   Revision: 01700022    Serial number: 01014147500000
   Coding: 0263565
   Shop #: WSC 20110 822 84911
   VCID: 2E050F552C11A357685-807A

No fault code found.

-------------------------------------------------------------------------------
Address 47: Sound System        Labels: 4F0-910-223-AS.lbl
   Part No SW: 4F0 910 223 G    HW: 4F0 035 223 
   Component: Amp.-ASK        H10 0350  
   Revision: 43S00001    Serial number: 00606060289420
   Coding: 0000007
   Shop #: WSC 02335 785 00200
   VCID: 221DEB6568C91737FCD-8076

No fault code found.

-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II        Labels: 4F0-910-280.lbl
   Part No SW: 4F0 910 280     HW: 4F0 907 280 A
   Component: ILM Beifahrer   H10 0080  
   Revision:             Serial number: 00000000245085
   Coding: 0001014
   Shop #: WSC 02323 785 00200
   VCID: 5EE59F951C3173D7985-800A

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels: 4F0-910-793-52.lbl
   Part No SW: 4F0 910 793 E    HW: 4F0 959 792 E
   Component: TSG BF          H12 0120  
   Revision: 00000000    Serial number: &Pe
   Coding: 0016922
   Shop #: WSC 02327 785 00200
   VCID: 2C01055D1A0DD147461-8078

No fault code found.

-------------------------------------------------------------------------------
Address 53: Parking Brake        Labels: 4F0-910-801.clb
   Part No SW: 4F0 910 801 B    HW: 4F0 907 801 A
   Component: EPB  CB4C0060   H04 0060  
   Revision: --H04---    
   Coding: 0005021
   Shop #: WSC 02324 785 00200
   VCID: 1F1BE2915BBB3ADFD33-804A

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 4E0-910-541.lbl
   Part No SW: 4E0 910 541 M    HW: 4F0 035 541 E
   Component: TUNER EU/US/RDW H42 0570  
   Revision: 00000000    Serial number: 352ES067653932
   Coding: 0000001
   Shop #: WSC 02323 785 00200
   VCID: 2A0D034510F9CF77B4D-807E

No fault code found.

-------------------------------------------------------------------------------
Address 61: Battery Regul.        Labels: 4F0-910-181.lbl
   Part No SW: 4F0 910 181 E    HW: 4F0 915 181 A
   Component: J0644 BEM       H12 0590  
   Revision: 00000000    Serial number: 00000000046577
   Shop #: WSC 20110 822 84911
   VCID: 2313EE6177D31E3FF7B-8076

   Subsystem 1 - Part No: 4F0 915 105 D
   Component: von VA0  2606021515       
   Coding: 344630393135313035442056413032363036303231353135
   Shop #: WSC 00000 384 00290

No fault code found.

-------------------------------------------------------------------------------
Address 62: Door, Rear Left        Labels: 4F0-910-795.lbl
   Part No SW: 4F0 910 795 E    HW: 4F0 959 795 E
   Component: TSG HL          H21 0050  
   Coding: 0016386
   Shop #: WSC 02327 785 00200
   VCID: 2E050F552C11A357685-807A

No fault code found.

-------------------------------------------------------------------------------
Address 72: Door, Rear Right        Labels: 4F0-910-795.lbl
   Part No SW: 4F0 910 795 E    HW: 4F0 959 794 E
   Component: TSG HR          H21 0050  
   Coding: 0016386
   Shop #: WSC 02327 785 00200
   VCID: 2E050F552C11A357685-807A

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 4Fx-910-283.lbl
   Part No SW: 4F0 910 283 E    HW: 4F0 919 283 E
   Component: Parkhilfe 8-Kan H12 0030  
   Revision: 00H12000    Serial number: 11820615200508
   Coding: 0201006
   Shop #: WSC 131071 1023 2097151
   VCID: 2615F77504E1EB17905-8072

No fault code found.

-------------------------------------------------------------------------------
Address 77: Telephone        Labels: 4E0-910-336.lbl
   Part No SW: 4E0 910 336 H    HW: 4E0 862 335 
   Component: Handyvorb2      H13 0700  
   Revision: 00000000    Serial number: 00000007542638
   Coding: 0010990
   Shop #: WSC 02335 785 00200
   VCID: 270BFA7103EBF21FAB3-8072

No fault code found.

End----(Elapsed Time: 02:21, VBatt start/end: 11.7V/11.7V. VIgn 11.7V)-----
 
Last edited:
   #2  

Shuhel

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I once had a problem similar to this on a seat arona. After clearing faults the airbag light kept coming on the next day.
After a week or so i found the problem to be the wiring for the ignitor was jammed inbetween the cusion.
Follow the wiring to make sure nothing is in the way. Very sensative those
 
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   #3  

Jef

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Often times there is a shunt on the wiring harness connector (control module side) so that when you unplug bang bang bags, the shut shorts the wires together so there is no chance of static. My first guess is when you plugged things back up, that shunt didn't get popped up as it should and is still shorting the wires together, hence "lower limit exceeded". Try to unplug and replug the connector.

You can also view live data for the N202, wiggle the wiring and connector around and see if the data changes in real time. Look in MVB 005. Should read something like "OK", but I suspect you will find "Too Low" until you sort it out.
 
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   #4  

acseymour

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Thanks for the input on the lower limit exceed code
On this model car the rear seat occupied sensor/or rear airbag connector is attached to the floor pan rear seat backing pan on the seat back mounting frame wire/rod so no electrical harness is unplugged to remove the rear seat, non heated rear seat as well.
So I removed the rear seat again and checked the connections on both sides, wiggled and pressed the connector on the left side (passenger in Australia).
Then reinstalled seat base, paying attention to location of sensors/connector on both sides to make sure they were in contact with seat base by pushing seat cushion firmly over where the sensor is located after visually checking by pulling the seat base seam out to check sensor/connector location.
Then used VCDS to reset code.
Code reset OK and light has not come back on yet.
I will advise if this changes.
When I originally reinstalled the seat I did sit in the seat and bounced around to see if this would help but it did not so I think the firmly pushing the seat cushion over the sensor/connector after checking location has helped in this case as well a moving the connection plug halves around.
I can not see in the parts catalog for the car if it is a connector or sensor at this location so not sure of full function of the electrical component in this location, however it appears to generate a code if it is not functioning correctly.
The reason I think it may have some sensing function is the way the electrical component is held in a specific position by a metal bracket near the seat base junction with the seat back.
 
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