P02CB00 fault code, limp mode

   #1  

H-bus guy

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Transporter 2011, 2.0 biTdi 4motion CFCA engine. 171000 miles.

Had dpf light and coil light come on whilst driving to airport (150miles). Limp mode.

Had vw roadside assistance come out, ws blocked dpf filter ( and dpf pressure differential sensor pipe), turbo pressure too low. Fault codes p02cb00 and P246300.

He cleared pipe, tested G450 sensor, manual regen of dpf. Has new MAP sensor.

It cleared the dpf fault but the low boost still returns after about 1/2 a mile.

Full auto scan

Code:
Saturday,07,September,2019,07:53:24:16358
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 19.6.0.2
Data version: 20190529 DS308.0
www.Ross-Tech.com


VIN: WV1ZZZ7HZBH070165   License Plate: ND60RJO
Mileage: 275630km-171268mi   Repair Order: 



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


Chassis Type: 7H-VN75 (6N0)
Scan: 01 02 03 04 08 09 15 17 19 22 25 56 69 0B

VIN: WV1ZZZ7HZBH070165   Mileage: 275630km-171268miles

01-Engine -- Status: Malfunction 0010
02-Auto Trans -- 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: Malfunction 0010
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
22-AWD -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
56-Radio -- Status: OK 0000
69-Trailer -- Status: OK 0000
 
-------------------------------------------------------------------------------
Address 01: Engine (J623-CFCA)       Labels:. 03L-906-022-CFC.clb
   Part No SW: 03L 906 022 JE    HW: 03L 907 309 H
   Component: R4 2,0L EDC   H34 9970  
   Revision: 22H34---    Serial number: 00000000000000
   Coding: 01254012231600080000
   Shop #: WSC 81903 210 00000
   ASAM Dataset: EV_ECM20BTD01103L906022JE 002009
   ROD: EV_ECM20BTD01103L906022JD_002.rod
   VCID: 71E9A2EDA096FCC76E-8024

1 Fault Found:
11895 - Turbo / Supercharger B 
          P02CB 00 [101] - Pressure too Low
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 275624 km
                    Date: 2019.09.06
                    Time: 13:40:49

                    Engine speed: 2638.00 /min
                    Normed load value: 89.4 %
                    Vehicle speed: 74 km/h
                    Coolant temperature: 98 C
                    Intake air temperature: 35 C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 13.780 V
                    Unlearning counter according OBD: 40
                    Charge air pressure specified value: 2532 hPa
                    Charge air pressure: actual value: 2427.6 hPa
                    Air mass: actual value (mg/stroke): 1033.6 mg/stroke
                    Air cleaner degree of soiling: 18.27 %
                    Throttle valve adapter: actual value: 64.50 %
                    Bypass valve f high press turboch turbine inlet: actual value: 98.01 %
                    Mean injection quantity: 52.89 mg/stroke

Readiness: 0 0 0 0 0 

-------------------------------------------------------------------------------
Address 02: Auto Trans (J743)       Labels:. 0BH-927-711.clb
   Part No SW: 0BT 300 011 Q    HW: 0BH 927 711 C
   Component: DSG DQ500-7A  H08 2258  
   Revision: 00H08V01    
   Coding: 0014
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMDQ500021 001001
   ROD: EV_TCMDQ500021_VW36.rod
   VCID: 3C7743D9B75441AF8D-8068

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (-----)       Labels: 7E0-907-37x-MK25AXT.clb
   Part No SW: 7E0 907 379 G    HW: 7E0 907 379 E
   Component: ESP MK25A XT  H43 0105  
   Revision: 00H43001    
   Coding: 508764AD99AB0A9526A39977A96316
   Shop #: WSC 02736 790 49152
   VCID: 366351F181789BFF7B-8062

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J301)       Labels:| 7E5-907-047.clb
   Part No SW: 7E5 907 047 AL    HW: 7E5 907 047 AL
   Component: Climatic-T5   H11 0203  
   Revision: 00005001    
   Coding: 0000000002
   Shop #: WSC 02737 790 50316
   ASAM Dataset: EV_ClimaticT5 A01003
   ROD: EV_ClimaT5Basis.rod
   VCID: 79F99ACDF8E6B487D6-802C

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 7H0-937-08x-09.clb
   Part No SW: 7H0 937 087 F    HW: 7H0 937 087 
   Component: BCM T5GP H+4  H47 0230  
   Revision: BO047001    Serial number: 0396 321100593
   Coding: A0A0393A0E212013002008102C2B8C540000430F60044000300000000000
   Shop #: WSC 02734 790 00000
   VCID: 377D5CF5867262F760-8062

   Subsystem 1 - Part No SW: 7E0 959 801 C    HW: 7E0 959 801 C  Labels: 7E0-959-80X-V1.CLB
   Component: J386__TSG_FT  003 3311 
   Serial number: --------------------
   Coding: 050000

   Subsystem 2 - Part No SW: 7E0 959 802 C    HW: 7E0 959 802 C  Labels: 7E0-959-80X-V1.CLB
   Component: J387__TSG_BT  003 3311 
   Serial number: --------------------
   Coding: 040000

1 Fault Found:
03303 - Response Closing Status of Rear Left Door 
            008 - Implausible Signal - Intermittent
             Freeze Frame:
                    Fault Status: 00101000
                    Fault Priority: 2
                    Fault Frequency: 3
                    Reset counter: 27
                    Mileage: 275632 km
                    Time Indication: 0
                    Date: 2014.01.27
                    Time: 21:28:05


-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
   Part No SW: 7E0 959 655 B    HW: 7E0 959 655 B
   Component: VW10Airbag009 H06 0013  
   Revision: --------    Serial number: 003HL002H9WF
   Coding: 000000000000000000000000000000003039
   Shop #: WSC 02734 790 50316
   ASAM Dataset: EV_AirbaVW10BPAVN750 A01026
   ROD: EV_AirbaVW10BPAVN750_VW12.rod
   VCID: 356156FD947E90E772-8060

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5K0-920-xxx-17.clb-SRI1
   Part No SW: 7E0 920 960 CX    HW: 7E0 920 960 CX
   Component: KOMBI         H04 0204  
   Serial number: 00000000000000
   Coding: 460300
   Shop #: WSC 51034 001 1048576
   ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04086
   ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
   VCID: 0109F22D9036EC479E-8054

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:. 6N0-909-901-6R.clb
   Part No SW: 6N0 909 901     HW: 7H0 937 087 
   Component: GW-K-CAN TP20 0230  
   Coding: 042300
   Shop #: WSC 02734 790 00000
   VCID: 70EFA7E9A39CF5CF61-8024

No fault code found.

-------------------------------------------------------------------------------
Address 22: AWD        Labels: 0AY-907-554-V1.clb
   Part No SW: 09N 907 554 B    HW: 09N 907 554 B
   Component: Haldex 4Motion      6008  
   Coding: 0000002
   Shop #: WSC 02748 790 00000
   VCID: 377D5CF5467262F760-8062

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
   Part No SW: 5K0 953 234     HW: 5K0 953 234 
   Component: IMMO          H04 0204  
   Serial number: 00000000000000
   Coding: 000000
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03008
   ROD: EV_Immo_UDS_VDD_RM09.rod
   VCID: 6ADBB5818D400F1F2F-803E

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
   Part No SW: 5M0 035 186 AA    HW: 5M0 035 186 AA
   Component: Radio RCD310  016 0049  
   Revision: 01000000    Serial number: VWZ1Z2K8556967
   Coding: 0500020002
   Shop #: WSC 02734 790 00000
   VCID: 6BD5B0858ABA161754-803E

No fault code found.

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:. 1K0-907-383-V2.clb
   Part No SW: 1K0 907 383 F    HW: 1K0 907 383 F
   Component: Anhaenger     H09 0100  
   Revision: 3A001001    Serial number: 00000137824167
   Coding: 410D000100000000
   Shop #: WSC 02736 790 00000
   VCID: 306F67E9631CB5CF21-8064

No fault code found.

End-------------------------(Elapsed Time: 03:05)--------------------------
scan of fault code

Code:
Saturday,07,September,2019,12:45:54:16358
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 19.6.0.2
Data version: 20190529 DS308.0
www.Ross-Tech.com


VIN: WV1ZZZ7HZBH070165   License Plate: ND60RJO


                Address 01: Engine       Labels: 03L-906-022-CFC.clb
Control Module Part Number: 03L 906 022 JE    HW: 03L 907 309 H
  Component and/or Version: R4 2,0L EDC   H34 9970
           Software Coding: 01254012231600080000
            Work Shop Code: WSC 81903 210 00000
              ASAM Dataset: EV_ECM20BTD01103L906022JE 002009 (VN75)
                       ROD: EV_ECM20BTD01103L906022JD_002.rod
                      VCID: 71E9A2EDA096FCC76E-8024
1 Fault Found:

11895 - Turbo / Supercharger B 
          P02CB 00 [167] - Pressure too Low
          MIL ON - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 275633 km
                    Date: 2019.09.07
                    Time: 11:11:59

                    Engine speed: 2601.50 /min
                    Normed load value: 77.6 %
                    Vehicle speed: 67 km/h
                    Coolant temperature: 51 C
                    Intake air temperature: 31 C
                    Ambient air pressure: 1010 mbar
                    Voltage terminal 30: 14.180 V
                    Unlearning counter according OBD: 40
                    Charge air pressure specified value: 2625 hPa
                    Charge air pressure: actual value: 2363.2 hPa
                    Air mass: actual value (mg/stroke): 1044.7 mg/stroke
                    Air cleaner degree of soiling: 18.08 %
                    Throttle valve adapter: actual value: 99.62 %
                    Bypass valve f high press turboch turbine inlet: actual value: 99.08 %
                    Mean injection quantity: 44.33 mg/stroke


Readiness: N/A
Was thinking it could be clogged up wastegate with soot or issue with wastegate actuator?

Gonna try and get under van today and check both actuators move from end to end using
hand vacuum pump.

Whats your thinkings?
 
   #2  

H-bus guy

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Dont really wanna have to take biturbo off as absolute nightmare due to 4motion. Means taking out driveshaft, catalytic converter and bevel box....

What other tests can i do?
What else could it be?

Need van everyday so struggling....
 
   #3  

PetrolDave

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Checked all the pipes around turbo to inlet for leaks?
 
   #4  

H-bus guy

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Nothing obvious, may have to try and rig up a smoke test.
 
   #5  

H-bus guy

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Any help anyone?
 
   #6  

Mike@Gendan

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Code:
Saturday,07,September,2019,07:53:24:16358
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
[b]VCDS Version: 19.6.0.2[/b]
Data version: 20190529 DS308.0
I can't help with your issue I'm afraid, but as a side-note you should update VCDS. There were some bugs in 19.6.0.x

19.6.1 has been out since late June / early July
 
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   #7  

H-bus guy

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Yes i have updated to the latest version the day after that scan was taken.

Many thanks.
 
   #8  

H-bus guy

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Tested both actuators with vacuum pump today, both move freely.
 
   #9  

Autopaja

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Hello.


I had the same fault P02CB Pressure too low (Transporter T5 Bi turbo)
I took the lambda off form exhaust and 70% off the power came back.
Then i took DPF off whash it and fault has been fixed.
 
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