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Thread: MKIV 2003 Jetta 1.8t AWP - N249 Code Question - P1287

  1. #1
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    MKIV 2003 Jetta 1.8t AWP - N249 Code Question - P1287

    Hi All,
    So over the weekend, I pulled off one heck of a procedure on my 2003 jetta with 207,xxx miles! It consisted of replacing a cracked exhaust manifold, leaking flex joint on downpipe, and the original K03s turbo with a K04-001 with only 30,xxx miles on it.

    After about ~12 hours, I had pulled off success! Bled my coolant system, and everything looked good, i was so happy!

    Car ran well, no CEL came up, no boost issues, or anything of the sort. Sadly, I did not perform an auto-scan immediately prior to starting the procedure =( Last time I did an autoscan was on 4/2/18 and I did not have this code.

    Anyway, after completing and driving for a day or 2, I ran an autoscan and I get P1287 - Boost Pressure Control Valve (N249) Open Circuit.

    Entire autoscan is here:

    Code:
    Tuesday,05,June,2018,13:05:47:53404
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 18.2.1.2 (x64)  HEX-V2 CB: 0.4411.4
    Data version: 20180518 DS287.1
    www.Ross-Tech.com
    
    
    VIN: 3VWSE69M03M161580   License Plate: BR49BL
    Mileage: 332620km-206680mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 9M (9M - VW Jetta IV (1998 > 2014))
    Scan: 01 02 03 08 09 15 16 17 19 22 29 35 36 37 39 46 47 55 56 57
              75 76
     
    VIN: 3VWSE69M03M161580   Mileage: 332620km-206680miles
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 06A-906-032-AWP.lbl
       Part No: 06A 906 032 LP
       Component: 1.8L R4/5VT     G   0007  
       Coding: 07500
       Shop #: WSC 12857  
       VCID: 77AB16EA06D04D7F40D-5160
       3VWSE69M03M161580     VWZ7Z0C6698338
    
    1 Fault Found:
    17695 - Boost Pressure Control Valve (N249) 
                P1287 - 35-00 - Open Circuit
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 1C0-907-37x-ESP-F.lbl
       Part No: 1C0 907 379 M
       Component: ESP FRONT MK60      0102  
       Coding: 0019970
       Shop #: WSC 00066 000 00000
       VCID: 3431E1E652266667A5F-5184
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
       Part No: 1C0 909 605 F
       Component: 04 AIRBAG VW61 0202 0001  
       Coding: 12340
       Shop #: WSC 00066  
       VCID: 270B06AA96F01DFF10D-513C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 1J0-907-487-A.lbl
       Part No: 1J0 907 487 A
       Component: Lenkradelektronik   0005  
       Coding: 00118
       Shop #: WSC 00066  
       VCID: 2F3BEE8ABE0045BFD8D-5184
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 1J0-920-xx5-17.lbl
       Part No: 1J0 920 906 J
       Component: KOMBI+WEGFAHRSP VDO V65  
       Coding: 07232
       Shop #: WSC 08080  
       VCID: 2F3BEE8ABE0045BFD8D-513C
       3VWSE69M03M161580     VWZ7Z0C6698338
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels: 6N0-909-901-19.lbl
       Part No: 6N0 909 901 
       Component: Gateway K<->CAN    0001  
       Coding: 00006
       Shop #: WSC 00066  
       VCID: 70B92DF663BE1A47817-513C
    
    1 Fault Found:
    01334 - Door Control Module; Rear Right (J389) 
                49-00 - No Communications
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels: 1C0-959-799.lbl
       Part No: 1C0 959 799 C
       Component: 1H Komfortgerát HLO 0003  
       Coding: 00259
       Shop #: WSC 00066  
       VCID: 372BD6EA46508D7F80D-4B1E
    
       Subsystem 1 - Part No: 1C1959801A
       Component: 1H Tõrsteuer.FS KLO 0009  
    
       Subsystem 2 - Part No: 1C1959802A
       Component: 1H Tõrsteuer.BF KLO 0009  
    
       Subsystem 3 - Part No: 1C0959811A
       Component: 1H Tõrsteuer.HL KLO 0009  
    
       Subsystem 4 - Part No: Steuerger
       Component: t HR    antwortet nicht     
    
    1 Fault Found:
    01334 - Door Control Module; Rear Right (J389) 
                49-00 - No Communications
    
    -------------------------------------------------------------------------------
    Address 56: Radio        Labels: 3B7-035-1xx-56.lbl
       Part No: 3B7 035 180 E
       Component: RADIO 3CP          0004  
       Coding: 04031
       Shop #: WSC 00066  
       VCID: 221D17BEFDD2F8D7473-513C
    
    No fault code found.
    
    End----------(Elapsed Time: 05:00, VBatt start/end: 12.1V/12.1V)-----------
    I first thought I had forgotten to put back the N249 electrical plug i removed on back of intake manifold plate, but checked that and it is indeed plugged in. Also, checked function of my DV (forge 007) and it holds vacuum OK. So my question is, how can I test using Vag-com the functionality of the N249 valve, prior to shelling out $ for a new one?? Or is there something else I should be looking at?

    Thank you all!

  2. #2
    Ross-Tech Employee Jef's Avatar
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    Thanks for posting an Auto-Scan!

    Vehicle Identification No. 3VWSE69M03M161580
    Model Jetta GLS
    JEM
    Date of production 28.03.2003
    Year 2003
    Sales type 9M25N4
    Engine Code AWP
    Transmission Code EHA
    An "open circuit" is some sort of electrical path issue.
    • Unplug the N249 and ohm test it, it should be 20 to 35 Ω (at approx. 20 C).
    • With the engine at idle, do you have battery power to /1 (yellow/black) at the N249?
    • /2 (grey/green) goes to ECM T121/105, is that wire to factory design?


    You can also play around with Output Testing for fun and games:
    http://www.ross-tech.com/vcds/tour/out_test.php
    Jef
    Ross Tech Support Team, Alpha Squad
    Auto-Scan, learn it, love it, live it... then check the fuses.

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  4. #3
    NostraJackAss Jack@European_Parts's Avatar
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    JPPSG!
    http://forums.ross-tech.com/forumdis...Repair-Support

    You were in here recently, please verify the N249 is plugged into the correct harness connector and not the SAI noid or that left undone.

    Please clear codes re-post the scan right after doing so, then do output tests with VCDS to see what is clicking and is for correct component to be initiated.

    In addition to Jef's advice, a noid light can also be used to verify if the tracks to the two control solenoids are functional for wiring.
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
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  6. #4
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    Quote Originally Posted by Jack@European_Parts View Post


    JPPSG!
    http://forums.ross-tech.com/forumdis...Repair-Support

    You were in here recently, please verify the N249 is plugged into the correct harness connector and not the SAI noid or that left undone.

    Please clear codes re-post the scan right after doing so, then do output tests with VCDS to see what is clicking and is for correct component to be initiated.

    In addition to Jef's advice, a noid light can also be used to verify if the tracks to the two control solenoids are functional for wiring.
    I will confirm N249 is plugged in correctly tonight, and then perform Jef's ohm test as well, and report back !
    Thanks All

  7. #5
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    Just to update everyone, I found the /2 (grey/green) wire broken at the connector, was able to remove the terminal from connector, re-solder, and cleared the code, has not come back yet! Thanks for your help

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