2015 Passat TDi SE coolant bleed procedure?

   #1  

owegov

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Hi,
This is my first post and I've only been using this tool for a few months. I saw that there are already a couple posts related to bleeding the coolant on the EA288 engine, which is what I have. Those questions don't seem to have been resolved and they are somewhat different from my very basic question, so I thought I would post my scan and start this thread.

The question: I'm planning to flush my cooling system. What is the procedure to bleed the cooling system using VCDS?

Here is my scan:
Code:
Thursday,30,July,2020,18:43:10:08326
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 20.4.1.0 (x64)  HEX-V2 CB: 0.4508.4
Data version: 20200331 DS317.0
www.Ross-Tech.com

Dealer/Shop Name: XXXXX

VIN: 1VWBV7A36FCXXXXXX   License Plate: 
Mileage: 73610km-45739mi   Repair Order: 



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: A3-VW41 (7N0)
Scan: 01 03 08 09 15 16 17 19 1C 25 2E 42 44 46 4F 52 56 62 72 75
          77

VIN: 1VWBV7A36FCXXXXXX   Mileage: 73610km-45739miles

01-Engine -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
1C-Position Sensing -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
2E-Media Player 3 -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
56-Radio -- Status: Malfunction 0010
62-Door, Rear Left -- Status: OK 0000
72-Door, Rear Right -- Status: OK 0000
75-Telematics -- Status: OK 0000
77-Telephone -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CVCA)       Labels:. 04L-907-309-V1.clb
   Part No SW: 04L 997 016 C    HW: 04L 907 309 K
   Component: R4 2.0l TDI   H20 9467  
   Revision: 8AH20---    
   Coding: 01190012032410080000
   Shop #: WSC 06462 444 00000
   ASAM Dataset: EV_ECM20TDI01104L997016C 004002
   ROD: EV_ECM20TDI01104L997016.rod
   VCID: 33331AC6BBB760F39E9-8066

1 Fault Found:
13865 - Coolant Pump for Intercooler 
          P023A 00 [032] - Open Circuit
          Intermittent - Not Confirmed - Tested Since Memory Clear

Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 BS    HW: 1K0 907 379 BS
   Component: ESP MK60EC1   H46 0166  
   Revision: 00H46001    
   Coding: C54BC0F549270002A30D03EB921D0042A1100012
   Shop #: WSC 09003 957 00200
   VCID: 0451891AAE19174B773-8050

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:| 3C8-907-336.clb
   Part No SW: 561 907 426 J    HW: 561 907 426 J
   Component: AC Manuell    H02 0404  
   Revision: 00001K01    
   Coding: 0010001002
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_ACManuaElectGen2BHTC 001002
   ROD: EV_ACManuaElectGen2BHTC_VW36.rod
   VCID: 221DEF82144DF97B65F-8076

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
   Part No SW: 5K0 937 085 AB    HW: 5K0 937 085 AB
   Component: BCM PQ35 B+   122 0174  
   Revision: BH122001    
   Coding: EF200E18902B08D4098800010600044800F1A08650801520648060000C70
   Shop #: WSC 09003 957 00200
   VCID: 73B3DAC6FBB720F35E9-8026

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 5C0 959 655 AB    HW: 5C0 959 655 AB
   Component: AirbagVW10    500 0975  
   Serial number: 003LZD0420WO  
   Coding: 00004D53
   Shop #: WSC 29988 003 1048576
   ASAM Dataset: EV_AirbaVW10SMEVW360 001030
   ROD: EV_AirbaVW10SMEVW360.rod
   VCID: 72BDDFC2842D29FB55F-8026

   Seat occupied recognition: 
   Subsystem 1 - Part No SW: 5C6 959 339 B    HW: 5C6 959 339 B
   Component: BF-Gewichtss.  H10 0046 
   Serial number: 6940000Y1400019REA0X
   Coding: 303044

   Crash sensor for side airbag: driver side: 
   Subsystem 2 - Part No SW: 5K0 959 354     HW: 5K0 959 354 
   Component: S.Sens.Fahr.V  H02 ---- 
   Serial number: 3572MSME67090E49ZZZ%

   Crash sensor for side airbag: front passenger side: 
   Subsystem 3 - Part No SW: 5K0 959 354     HW: 5K0 959 354 
   Component: S.Sens.Beif.V  H02 ---- 
   Serial number: 3582MSME711A0948ZZZY

   Crash sensor for side airbag: rear: driver side: 
   Subsystem 4 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Fahr.H  H02 ---- 
   Serial number: 3516KSME52574932ZZZQ

   Crash sensor for side airbag: rear: passenger side: 
   Subsystem 5 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
   Component: S.Sens.Beif.H  H02 ---- 
   Serial number: 3526KSME24277431ZZZK

   Crash sensor for front airbag: driver side: 
   Subsystem 6 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Fahr  H02 ---- 
   Serial number: 3556LSME015D7631ZZZU

   Crash sensor for front airbag: front passenger side: 
   Subsystem 7 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
   Component: F.Sens.Beif  H02 ---- 
   Serial number: 3566LSME584D7631ZZZ%

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:| 5K0-953-569.clb
   Part No SW: 1K5 953 521 BM    HW: 5K0 953 569 AE
   Component: LENKS.MODUL   016 0140  
   Revision: FF010042    Serial number: 20141025100698
   Coding: 008A140000
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_SMLSNGVOLWSXS A01004
   ROD: EV_SMLSNGVOLWS.rod
   VCID: 79AFE8EED95B5AA3145-802C

   Multifunction steering wheel control module: 
   Subsystem 1 - Part No SW: 3C8 959 537 D    HW: 3C8 959 537 D  Labels: 3C8-959-537.CLB
   Component: E221__MFL-8LP  H07 0023 
   Coding: E20000

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-XXX-17.clb-SRI1
   Part No SW: 561 920 970 G    HW: 561 920 970 G
   Component: KOMBI         H04 0813  
   Serial number: 00000000000000
   Coding: 231E01
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04723
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW41.rod
   VCID: 1E65DB722035DD9B417-804A

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
   Part No SW: 7N0 907 530 AR    HW: 7N0 907 530 AM
   Component: J533  Gateway H55 1653  
   Revision:   H55       Serial number: 02121403000418
   Coding: 461000
   Shop #: WSC 09003 957 00200
   VCID: 0059850ABA010B6B53B-8054

No fault code found.

-------------------------------------------------------------------------------
Address 1C: Position Sensing
Cannot be reached

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234 
   Component: IMMO          H04 0813  
   Serial number:               
   Coding: 000000
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
   ROD: EV_Immo_UDS_VDD_RM09_VW21.rod
   VCID: 6A8DC7A2ACFDE13BEDF-803E

No fault code found.

-------------------------------------------------------------------------------
Address 2E: Media Player 3
Cannot be reached

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 561 959 701     HW: 3C0 959 793 B
   Component: TUER-SG FT    002 0525  
   Revision: 13110009    Serial number: 0009167793
   Coding: 0404B5
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_TSGFPQ25BRFVW46X A04001
   ROD: EV_TSGFPQ25BRFVW46X.rod
   VCID: 5BE3926673A788B3669-800E

   Slave Driver: 
   Subsystem 1 - Part No SW: 561 959 811 B    HW: 561 959 811 B  Labels: 1K0-959-70X-GEN4.CLB
   Component: J388__TSG_HL  006 5470 
   Serial number: 14102630141204065748
   Coding: 800000

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
   Part No: 1K0 909 144 R
   Component: EPS_ZFLS Kl. 215    3501  
   Revision: 00H22000    
   Shop #: WSC 01357 011 00200
   VCID: 392F28EE955B9AA3545-806C

No fault code found.

-------------------------------------------------------------------------------
Address 4F: Centr. Electr. II (J520)       Labels:. 1K0-907-532.clb
   Part No SW: 7N0 907 532     HW: 7N0 907 530 AM
   Component: EZE_2         H55 1653  
   Revision:   H55       Serial number: 02121403000418
   Coding: 00000008
   Shop #: WSC 09003 957 00200
   VCID: 6FBBD6B6979F0413BA1-803A

   Subsystem 1 - Part No SW: 561 919 204 B    HW: 561 919 204 B
   Component: Analoguhr  009 0005 

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 3C0-959-70X-GEN4.clb
   Part No SW: 561 959 702     HW: 3C0 959 792 B
   Component: TUER-SG BT    002 0525  
   Revision: 15110009    Serial number: 0009128272
   Coding: 0404B4
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_TSGBPQ25BRFVW46X A04001
   ROD: EV_TSGBPQ25BRFVW46X.rod
   VCID: 5CE1917A76A98F8B6F3-8008

   Slave Passenger: 
   Subsystem 1 - Part No SW: 561 959 812 B    HW: 561 959 812 B  Labels: 1K0-959-70X-GEN4.CLB
   Component: J389__TSG_HR  006 5470 
   Serial number: 14102631141202181629
   Coding: 800000

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
   Part No SW: 1K0 035 188 F    HW: 1K0 035 188 F
   Component: Radio Prem-8  H07 0009  
   Revision: -----12S    Serial number: VWZ4Z7P3649247
   Coding: 0100044004000B
   Shop #: WSC 09003 957 00200
   VCID: 2B0302A663073833D69-807E

1 Fault Found:
02635 - Tuner Not Enabled/Activated 
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 9
                    Reset counter: 125
                    Mileage: 35020 km
                    Time Indication: 0
                    Date: 2019.04.26
                    Time: 09:38:19


-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:| 12E-035-284.clb
   Part No SW: 561 035 285 A    HW: 561 035 285 A
   Component: OCULowUSA     020 0156  
   Serial number: 000003554140531
   Coding: 02140102C21612007F1606C00000
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_OCULow 002009
   ROD: EV_OCULow_002.rod
   VCID: 1471B95ADEF987CBE73-8040

No fault code found.

-------------------------------------------------------------------------------
Address 77: Telephone (J412)       Labels:| 5N0-035-729.clb
   Part No SW: 5N0 035 729 E    HW: 5N0 035 729 E
   Component: TELEFON       H07 0593  
   Revision: 1B001001    Serial number: 00007666903101
   Coding: 0A10030080010110
   Shop #: WSC 09003 957 00200
   ASAM Dataset: EV_UHVUMI 001007
   ROD: EV_UHVUMI.rod
   VCID: 323D1FC244AD69FB95F-8066

No fault code found.

End----------(Elapsed Time: 00:59, VBatt start/end: 12.5V/12.5V)-----------
 
   #2  

TimP

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I have exactly the same issue and am still waiting for a reply from Ross-Tech. I will post the procedure as soon as I hear anything.

If it’s possible with VCDS, it appears that no- one knows what the procedure is - very frustrating.

As I can no longer wait, I have towed my Alhambra to my local independent for them to bleed the system using ODIS. £72.00 that I didn’t expect to have to pay.
 
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   #3  

owegov

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Yeah I saw there are some other posts about this issue, but you all are way more advanced than I am. This whole thing of having multiple cooling systems is new to me. I've read the manual and know I am supposed to do something in VCDS, and I really just need to know what option(s) to select. I'm new to the VCDS interface so I don't have intuition for how to use it.
 
   #4  

TimP

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I have contacted Ross-Tech support about this issue and they replied asking me to submit an autoscan which I did. I haven’t heard anything since which is disappointing.
The EA288 engine has now been around for 5 years so I would have thought that the whole cooling system bleeding procedure should have been addressed by now. As these cars get older, this requirement is only going to increase.
Ideally, VCDS should be set up to bleed the entire cooling system in one procedure - after all, it is marketed as a VAG/VAS emulator, and this is what ODIS does.
 
   #5  

NEtech

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Ideally, VCDS should be set up to bleed the entire cooling system in one procedure
That is not possible.

after all, it is marketed as a VAG/VAS emulator, and this is what ODIS does.
But be able to emulate, does not mean, we know all procedures! Which is impossible.
If you want to be able to do everything possible, you must buy ODIS diagnostic system with online access.

If you are an experienced VCDS user and want to do testing, I can post a procedure that maybe works, but I have not had access to a car with this system, for testing.
If so, please post Autoscan text file.
 
   #6  

TimP

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I realise that VCDS can not do everything that ODIS can, but I would have thought that bleeding the cooling system should be possible.
On my car, bleeding the high temperature circuit seemed to work OK, but bleeding the low temperature circuit returned an error as reported by others on the forum.
My fear is that should VCDS not do the job properly, this would only become evident when the engine suffers significant damage.
I will post an autoscan at the weekend.
 
   #7  

Uwe

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I realise that VCDS can not do everything that ODIS can, but I would have thought that bleeding the cooling system should be possible.
In all likelihood, it IS possible, but there is currently no tested/documented procedure for it. We simply do not have every car, every engine, and every other control module VAG has ever produced in order to reverse-engineer all the procedure ODIS uses on them.

-Uwe-
 
   #8  

TimP

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I appreciate that, but there are quite a lot of cars using the EA288 diesel now, most of which will require a very similar coolant bleeding procedure.

I also realise that it will probably need to be done using more than one process in VCDS. For example it will probably involve bleeding the main system (which currently seems to work with VCDS) followed by bleeding the low temperature circuit (which currently doesn’t work).

When talking with my local independent VAG specialist, I found out that once the system has been bled using ODIS, the switchable water pump is fixed fully open for about 100 miles after the procedure to facilitate removal of the last bits of air in the system. When looking through VCDS I found an adaptation channel called “Bleeding of coolant circuit - active or inactive”. Could this be the part that leaves the switchable pump fully open for around 100 miles after bleeding the system?

If a process by which these cooling systems could be bled using VCDS could be sorted, many of us with EA288 engines will be well pleased.
 
   #9  

Jack@European_Parts

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To OP.....


Did you complain to EPA for this procedure & should it not auto adapt to permit the system to bleed or by manual repair in RTFB?

Did you know if you had to buy the RTFB, Odis or VCDS to do it, any tools, it's reimbursable under the CAA & MMA since under useful life warranty?
 
   #10  

Uwe

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Jack, the OP is in the UK. US regulatory nonsense is not applicable there.

-Uwe-
 
   #11  

Jack@European_Parts

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   #12  

Uwe

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If I may, the OP, says they are from the USA according to what I see?
Sorry, you're right, the OP is indeed in the US. It was the other guy in this thread who's in the UK. I missed the fact that he's not the OP; my bad.

-Uwe-
 
   #13  

Shade

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Hello to everyone.

I've tried to look at your engine code on my system could not find it. I wanted to compare it to a vehicle that I did work on recently, i.e. 2014, VW Crafter with a CKTB engine (2.0 TDI). Please take it from me, the cooling system needs to be bled properly or like me you will buy a new engine.

I assume that it is the same, with two coolant circuits. If so please go to advance measuring blocks on the engine, then look for coolant temp and temp at radiator outlet (something like that). You need those two pieces of data, so have them on your screen. Let the engine warm up a bit and hold the RPM at 1800 - 2000, while looking at both the temps. You will see that one will rise (coolant temp), while the other one will hover at low temp (radiator outlet temp). When the coolant temp gets to around 70 degrees Celsius, the vehicle should start mixing the coolant from the two circuits, this means that the radiator outlet temp will also start rising and coolant temp will drop. If this happens, then your coolant system has been bled properly and please take the vehicle for a test drive, while watching the temps, do not let it pass 90 degrees Celsius, if it does not mix.

If your vehicle does not mix the two coolant circuits, then there are two methods that work properly and one method that partially works.

Method one: Take it from me, take the vehicle to the dealer.
Method two: There is a device known as a coolant vacuum refill kit, get that it works.
Method three: You will have to fill the vehicle with water over three days without driving it. Every 24 hours the level of water will drop and you will have to top it up. It worked partially for me because although the two circuits mixed, I still had a radiator light on the cluster.

Further, in relation to OWEGOV, I believe that you have already drained the system due to the P023A code that you have. Your turbo does not kick in and when you switch on your vehicle the Coolant Pump for Intercooler goes on and then off and makes a loud sound and then stops. Thereafter you get that glow plug light on your cluster.
 
   #14  

MasterTommy

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The charge air cooling circuit is normally never connected to the rest of the cooling system, except when running the bleed procedure with a diagnostic tester. Also, during the bleed procedure other valves will be opened and all pumps run at 100% to quickly bleed almost all air from the system. Doing a test drive first and not following the repair manual with this can really lead to damage to the engine.

Read SSP 820433 page 22 & 26.

Edit: coolant ≠ air
 
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   #15  

Shade

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The charge air cooling circuit is normally never connected to the rest of the cooling system, except when running the bleed procedure with a diagnostic tester. Also, during the bleed procedure other valves will be opened and all pumps run at 100% to quickly bleed almost all coolant from the system. Doing a test drive first and not following the repair manual with this can really lead to damage to the engine.

Read SSP 820433 page 22 & 26.
MasterTommy, thank you for pointing to the directions of the SSP.

Further, I've warned people about driving a car that is not properly bled.
 
   #16  

owegov

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Did you complain to EPA for this procedure & should it not auto adapt to permit the system to bleed or by manual repair in RTFB?

Did you know if you had to buy the RTFB, Odis or VCDS to do it, any tools, it's reimbursable under the CAA & MMA since under useful life warranty?
Yeah, so I am in the US. I can't say I have any idea what you are referring to. I did buy the RTFB, however, begrudgingly.
 
   #17  

owegov

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Please take it from me, the cooling system needs to be bled properly or like me you will buy a new engine.
Yes, I am about to give up and take it to the shop. One concern I have after learning more about this issue is I wonder if independent shops, like I would normally go to, even have the ability to do this correctly. What's the chance they are using VCDS like me and would not be able to do the job correctly, or maybe they use nothing at all? I already bought the coolant and the dealership is not close, so I had hoped to bring it to my normal trusted shop here in town.

Further, in relation to OWEGOV, I believe that you have already drained the system due to the P023A code that you have. Your turbo does not kick in and when you switch on your vehicle the Coolant Pump for Intercooler goes on and then off and makes a loud sound and then stops. Thereafter you get that glow plug light on your cluster.
Embarrassingly, I failed to notice that code in my scan. I actually have not begun this job at all. The car is 5 years old and I thought I'd go ahead and do this, especially since I have plenty of time to stay obsessively on top of car repairs in COVID times. In this vein, I was taking it slow and doing my research first. I bought and RTFB. I bought the coolant and the distilled water. I was looking at getting one of those air compressor kits to fill the system. But then the whole research project completely broke down when I discovered that there is no information out there on doing this with VCDS.

So I wonder, what would cause that code?
 
   #18  

Larry Manton

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Okay, have not been on site for a while. I own a 2012 and 2015 TDI and was not aware of this issue, thanks for bringing it up.

That said still not clear whether VAG does or does not open servos to both systems.

Personally I refuse to load any system without an air lift tool, just not worth it. I did click on the SSP and will not load that page to read what Master Tommy alluded to so not being lazy here. That said if the system is under vacuum with air lift does it?, or does it not load both sides?

Anyway hope to cruise the site more as have been in a move, and good to Hear Jack again. UWE, yeah not quarantine, as not sick, JMO, won't ask Jack, pretty sure some things are the same.

Larry
 
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