Another AdBlue system fault...

[artheb]

Hello, Happy Holidays!

This just happened yesterday on a Xmas day! Should I expect adblue pump to be replaced? Car is 2015 and out of warranty. I saw some comments about SW update on the ECU. Did many of you got this problem and managed to fix easily?




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[Crasher]

You must start with a fault code read, there is no point in guessing.

[artheb]

I don’t get much of an information from the scan.

Address 01: Engine (J623-CNHA) Labels: None
Part No SW: 04L 906 021 FQ HW: 04L 907 309
Component: R4 2,0L EDC H23 0655
Revision: 85H23---
Coding: 0A254012232401080000
Shop #: WSC 02391 785 00200
ASAM Dataset: EV_ECM20TDI01104L906021FQ 002002
ROD: N/A
VCID: 79FF9DA6F8AE38D6D3D-802C

No ASAM data for: "EV_ECM20TDI01104L906021FQ" (AU57)
1 Fault Found:
9645 - ROD - Unknown Error Code
- 00 [237]
MIL ON - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 70266 km
Date: 2018.12.25
Time: 12:08:40

Readiness: 1 1 0 0 0


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[artheb]

I dug around and apparently that code points to adblue pump. I’ll take it to the dealer tomorrow.


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[Renars]

I dug around and apparently that code points to adblue pump. I’ll take it to the dealer tomorrow.


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Why dealer ?
Want to spend a lot of money on this ?
There is kinda illegal, but impossible to get caught with cheaper fixes for this problem.

[artheb]

Why dealer ?
Want to spend a lot of money on this ?
There is kinda illegal, but impossible to get caught with cheaper fixes for this problem.

I might get some goodwill with my dealer. I’ll try them first.


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[Crasher]

It's not "kinda" illegal, it is very illegal and not something any decent person would do.

[artheb]

You must start with a fault code read, there is no point in guessing.

Crasher,

Do you know the part number for the AdBlue pump by any chance ?


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[artheb]

I’m trying to figure out if this is a AdBlue pump or AdBlue injector. Any clue guys?


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[Renars]

I’m trying to figure out if this is a AdBlue pump or AdBlue injector. Any clue guys?


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You have to scan it with HEX-NET ROD update to see exact code.
It have to throw proper code on adblue system with fully working VCDS.