2018 VW crafter tdi biturbo slight misfire between 1000 to 1400rpm

   #1  

brucevdm

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Good day all, this is my first post here, having trouble figuring out why this vw van is misfiring slightly
I am not 100% sure how to post the fault logs but i copied and paste it here. Hope you guys can assist me.

Thank you...

Code:
Thursday,24,February,2022,17:29:29:48194
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 21.9.0.2 (x64)  HEX-NET2 CB: 0.4555.4
Data version: 20210903 DS330.0
www.Ross-Tech.com





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                Address 01: Engine       Labels: 04L-907-309-V2.CLB
Control Module Part Number: 04L 906 056 AR    HW: 04L 907 445 C
  Component and/or Version: R4 2.0l BTD   H01 5225
           Software Coding: 002A40346324050800000000000000000000000000000000
            Work Shop Code: WSC 00069 790 00013
              ASAM Dataset: EV_ECM20BTD03004L906056AR 005004 (VW48)
                       ROD: EV_ECM20BTD03004L906056AR_005.rod
                      VCID: 7DAC938F9D7AAAC3CC7-8028
1 Fault Found:

24838 - ROD - Unknown Error Code 
          - 00 [039]
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 125346 km
                    Date: 2022.02.24
                    Time: 05:22:18

                    Engine RPM: 830.75 /min
                    Normed load value: 59.6 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 64 °C
                    Intake air temperature: 27 °C
                    Ambient air pressure: 1020 mbar
                    Voltage terminal 30: 14.609 V
                    Unlearning counter according OBD: 40
                    Accelerator pedal travel: raw value: 0.00 %
                    Cylinder 3 bank 1 internal moment: -25.0 Nm
                    Cylinder head: controller internal moment 3 bank 1: limit stat.-Controller output of the foc.posit.contr. limited to min.value: No
                    Cylinder head: controller internal moment 3 bank 1: limit stat.-Controller output of the foc.posit.contr. limited to max.value: Yes
                    Cylinder head: controller internal moment 3 bank 1: limit stat.-Offset combustion focus position < min. threshold: No
                    Cylinder head: controller internal moment 3 bank 1: limit stat.-Offset combustion focus position >max. threshold: Yes
                    Cylinder head: controller internal moment 3 bank 1: limit stat.: 34
                    O2 sens. 1 bank 1 upstrm oxi cat: raw value: 1.000 counts
                    Setpoint generation interior torque: 85.2 Nm


Readiness: N/A
 
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   #2  

JMR

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did you use the LT3 tab and then engine ?
 
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brucevdm

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did you use the LT3 tab and then engine ?
I just clicked on the select control module then engine tab then fault codes?
 
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JMR

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try and use the LT3 tab first and then click engine ( LT stands for Light trucks) or address 91
 
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JMR

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when you open vcds , click select , then all the way to the right of the tabs you'll have one marked LT3 , click on that one and then engine ( address 91 ) or do a direct entry address , type 91 and go
 
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brucevdm

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try and use the LT3 tab first and then click engine ( LT stands for Light trucks) or address 91
I dont have that tab and if i type in at the bottom left adress 91 it fails
 
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brucevdm

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when you open vcds , click select , then all the way to the right of the tabs you'll have one marked LT3 , click on that one and then engine ( address 91 ) or do a direct entry address , type 91 and go
No tab and the adress 91 fails
 
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JMR

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   #11  

JMR

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not unless i can identify the error sir , it's an unknown error so far , but have a bit of patience ( maybe @Uwe @Dana @Jef will give us some input ? )
 
   #12  

brucevdm

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not unless i can identify the error sir , it's an unknown error so far , but have a bit of patience ( maybe @Uwe @Dana @Jef will give us some input ? )
ok, is there not something im doing wrong with vcds thats not letting me show the lt3 tab? i have the latest version on laptop
 
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Uwe

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did you use the LT3 tab and then engine ?
That is only used/necessary for the LT3 generation of Crafter (Typ 2E/2F, 2006–2017), which was a mix of VAG and MBZ modules. The current one (Typ SY/SZ, 2018 on) is all VAG and is completely normal from a diagnostic standpoint.

-Uwe-
 
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JMR

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i don't think you're doing anything wrong , i haven't had a 2018 VW Crafter for a diagnosis yet but for sure the older years (2008-2014 0 would link up to the ecu through LT3 tab since they are using a different protocol or something ( never was sure about it either ). Maybe the VCDS doesn't have a ROD file for that vehicle yet ? Maybe the boss will help us both understand this problem
 
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JMR

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That is only used/necessary for the LT3 generation of Crafter (Typ 2E/2F, 2006–2017), which was a mix of VAG and MBZ modules. The current one (Typ SY/SZ, 2018 on) is all VAG and is completely normal from a diagnostic standpoint.

-Uwe-
yeah , i thought so myself in an upper post ( #9). So , what seems to be the problem with this 2018 ecu ? Thanks
 
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Uwe

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24838 - ROD - Unknown Error Code
I believe that fault should decode to:
P100600 -- Torque Difference Cylinder 3: Limit Value Exceeded

Check compression? Injectors?

-Uwe-
 
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JMR

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i could agree , if one injector is acting up it can create startability issues or power loss ..
 
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   #19  

brucevdm

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I believe that fault should decode to:
P100600 -- Torque Difference Cylinder 3: Limit Value Exceeded

Check compression? Injectors?

-Uwe-
all injectors values on vcds seems very similar to each other, there was one that was out of whack but replaced the one injector and coded it, now the values are similar but still the misfire
 
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