09 2.0t CCTA VW GTI - throttle body issues?

   #1  

gh0st

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The other day I noticed that once in awhile the car would kick a bit when engine load changed - it almost felt like a bad engine mount, but would only do it on occasion. Later on that day I came to a stop sign and the car went into limp mode. It had a hard time idling, it was hunting. It responded to the throttle just fine though. I pulled the codes and saw what was listed.

I checked the connector on the TB to make sure it wasn't taunt, unplugged and plugged it back in.
I checked measuring block 62 and all looked good. The pedal angles looked like what they're supposed to all through the pedal travel
I unplugged the MAF to see if that would make any difference and it didn't
I did a TB adaptation and that made no difference
I figured unplugged the MAF might have thrown a new code, so let me clear everything and see what's still in here. As soon as I did that the car runs normal. Did a 15 minute drive around town and it's still good.

I know something is going to die on me at the worst possible time so I'd like to find the root cause of this. Any guesses?

Auto scan here:
Code:
Friday,19,July,2019,19:49:29:30793
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 19.6.1.0 (x64)
Data version: 20190529 DS308.0
www.Ross-Tech.com





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


Mode 03: Emission related fault codes

Address 7E8: 2 Faults Found:
P0121 - Throttle Position Sensor (G69): Implausible Signal
P0221 - Angle Sensor 2 for Throttle (G188): Implausible Signal


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


Chassis Type: 1K (1K0)
Scan: 01 03 08 09 0F 15 16 17 19 1C 25 42 44 46 52 55 56 65

VIN: WVWEV71K89W109834   Mileage: 260230km-161699miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
04-Steering Angle -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
0F-Digital Radio -- Status: Malfunction 0010
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: Malfunction 0010
17-Instruments -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
1C-Position Sensing -- Status: OK 0000
25-Immobilizer -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
65-Tire Pressure -- Status: Malfunction 0010
 
-------------------------------------------------------------------------------
Address 01: Engine (CCT)       Labels:. 06J-906-026-CCT.clb
   Part No SW: 1K0 907 115 AE    HW: 1K0 907 115 AA
   Component: 2.0l R4/4V TFSI     0030  
   Revision: AAH03---    Serial number: VWX7Z0H83N488U
   Coding: 0403010A18070160
   Shop #: WSC 01357 011 00200
   VCID: 69D34A474001AB072E-803C

5 Faults Found:
012408 - Throttle Control 
               P3078 - 000 - Airflow at Idle too Low
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 0
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 258332 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 19:02:06

             Freeze Frame:
                    RPM: 2340 /min
                    Load: 12.2 %
                    Speed: 80.0 km/h
                    Temperature: 97.0°C
                    Temperature: 32.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 13.716 V

000257 - Mass Air Flow Sensor (G70) 
               P0101 - 000 - Implausible Signal
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 260228 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 22:14:40

             Freeze Frame:
                    RPM: 2050 /min
                    Load: 16.1 %
                    Speed: 55.0 km/h
                    Temperature: 96.0°C
                    Temperature: 39.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 13.589 V

000289 - Throttle Position Sensor (G69) 
               P0121 - 000 - Implausible Signal - MIL ON
             Freeze Frame:
                    Fault Status: 11100000
                    Fault Priority: 0
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 260228 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 22:15:11

             Freeze Frame:
                    RPM: 1642 /min
                    Load: 17.2 %
                    Speed: 44.0 km/h
                    Temperature: 97.0°C
                    Temperature: 45.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 13.335 V

000545 - Angle Sensor 2 for Throttle (G188) 
               P0221 - 000 - Implausible Signal - MIL ON
             Freeze Frame:
                    Fault Status: 11100000
                    Fault Priority: 0
                    Fault Frequency: 2
                    Reset counter: 255
                    Mileage: 260228 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 22:15:11

             Freeze Frame:
                    RPM: 1642 /min
                    Load: 17.2 %
                    Speed: 44.0 km/h
                    Temperature: 97.0°C
                    Temperature: 45.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 13.335 V

005445 - Throttle Valve Controller 
               P1545 - 000 - Malfunction - MIL ON
             Freeze Frame:
                    Fault Status: 11100000
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Time Indication: 0
                    Date: 2047.15.31
                    Time: 31:63:63

             Freeze Frame:
                    RPM: 0 /min
                    Load: 0.0 %
                    Speed: 0.0 km/h
                    Temperature: 30.0°C
                    Temperature: 30.0°C
                    Absolute Pres.: 980.0 mbar
                    Voltage: 11.811 V

Readiness: 0000 0000

-------------------------------------------------------------------------------
Address 03: ABS Brakes (-----)       Labels:. 1K0-907-379-60EC1F.clb
   Part No SW: 1K0 907 379 AN    HW: 1K0 907 379 AN
   Component: ESP MK60EC1   H45 0107  
   Revision: 00H45001    
   Coding: 113B600D49220003881306E7921D00413000
   Shop #: WSC 51040 001 1048576
   VCID: 7EF9091BE98F3CBFEB-802A

1 Fault Found:
01314 - Engine Control Module 
            013 - Check DTC Memory
             Freeze Frame:
                    Fault Status: 01101101
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 176
                    Mileage: 260228 km
                    Time Indication: 0

             Freeze Frame:
                    Count: 0
                    Count: 32768
                    Count: 4608
                    Count: 8193
                    Count: 49975
                    Count: 0
                    Count: 0
                    Count: 0


-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
   Part No SW: 1K0 820 047 JM    HW: 1K0 820 047 JM
   Component: Climatic PQ35   142 1212  
   Revision: 00142032    Serial number: 00000000000000
   Shop #: WSC 00000 000 00000
   VCID: 78F51F030BAB028FA1-802C

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 3C0-937-049-30-H.lbl
   Part No SW: 3C8 937 049 E    HW: 3C8 937 049 E
   Component: Bordnetz-SG     H54 2602  
   Revision: 00H54000    Serial number: 00000008791290
   Coding: 178D8F214004150047140000001400000028770B5C000100000000000000
   Shop #: WSC 00000 785 00200
   VCID: 336FE82F524D21D754-8066

   Subsystem 1 - Part No: 1K1 955 119 E  Labels: 1KX-955-119.CLB
   Component: Wischer 280808 021  0501  
   Coding: 00038805
   Shop #: WSC 00000  

No fault code found.

-------------------------------------------------------------------------------
Address 0F: Digital Radio        Labels: 8E0-035-593-SIR.lbl
   Part No SW: 8E0 035 593 M    HW: 8E0 035 593 M
   Component: SDAR SIRIUS     H07 0150  
   Revision: 00000000    Serial number: AUZ4Z7H0402709
   Coding: 0000100
   Shop #: WSC 01357 011 00200
   VCID: 336FE82F524D21D754-8066

2 Faults Found:
00003 - Control Module 
            014 - Defective - Intermittent
             Freeze Frame:
                    Fault Status: 00101110
                    Fault Priority: 5
                    Fault Frequency: 18
                    Reset counter: 91
                    Mileage: 225105 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 18:13:32

02635 - Tuner Not Enabled/Activated 
            000 - -
             Freeze Frame:
                    Fault Status: 01100000
                    Fault Priority: 7
                    Fault Frequency: 8
                    Reset counter: 83
                    Mileage: 254509 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 11:49:15


-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 1K0-909-605.lbl
   Part No SW: 1K0 909 605 AB    HW: 1K0 909 605 AB
   Component: 6K AIRBAG VW8R  034 8000  
   Revision: 05034000    Serial number: 003B6D0BWM5H  
   Coding: 0013899
   Shop #: WSC 01357 011 00200
   VCID: 6CDD33534FF3BE2F55-8038

   Subsystem 1 - Part No: 1K0 959 339 G
   Component: BF-Gewichtsens. 007 0007

   Subsystem 2 - Serial number: 6332MSME3F044458E

   Subsystem 3 - Serial number: 6342MSME3F326574H

   Subsystem 4 - Serial number: 6352QSME45080E1EN

   Subsystem 5 - Serial number: 6362QSME0704193CE

   Subsystem 6 - Serial number: 63727SME186C182B9

   Subsystem 7 - Serial number: 63827SME185929735

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
   Part No SW: 1K0 953 549 BP    HW: 1K0 953 549 BP
   Component: J0527           051 0101  
   Coding: 0002022
   Shop #: WSC 01357 011 00200
   VCID: 010372E75871434796-8054

   Subsystem 1 - Part No: XXXXXXXXXXX 
   Component: E0221           002 0010

5 Faults Found:
00576 - Terminal 15 
            012 - Electrical Fault in Circuit - Intermittent
00883 - Ignition Switch (D) Terminal S 
            012 - Electrical Fault in Circuit - Intermittent
00885 - Ignition Switch (D) Terminal 50 
            012 - Electrical Fault in Circuit - Intermittent
00884 - Ignition Switch (D) Terminal X 
            012 - Electrical Fault in Circuit - Intermittent
01744 - Ignition Switch Terminal P (D) 
            012 - Electrical Fault in Circuit - Intermittent

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
   Part No SW: 1K6 920 974 H    HW: 1K6 920 974 H
   Component: KOMBIINSTRUMENT VDD 2416  
   Revision: V0003000    Serial number: VWX7Z0H83N488U
   Coding: 0007203
   Shop #: WSC 00000 785 00200
   VCID: 3973DA077021DB879E-806C

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels:. 1K0-907-530-V3.clb
   Part No SW: 1K0 907 530 Q    HW: 1K0 907 951 
   Component: J533  Gateway   H07 5063  
   Revision:   H07 01    Serial number: 260808F2000791
   Coding: E9811F070013020000
   Shop #: WSC 01357 011 00200
   VCID: 356BD6375C393FE77A-8060

No fault code found.

-------------------------------------------------------------------------------
Address 1C: Position Sensing        Labels: 1Kx-919-xxx-1C.lbl
   Part No SW: 1K6 919 879     HW: 1K6 919 879 
   Component: Kompass         001 0003  
   Revision: 00001000    Serial number: 1225223T42D203
   Shop #: WSC 00000 000 00000
   VCID: 7DFB0E17248927A7F2-8028

No fault code found.

-------------------------------------------------------------------------------
Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
   Part No SW: 1K6 920 974 H    HW: 1K6 920 974 H
   Component: IMMO            VDD 2416  
   Revision: V0003000    Serial number: VWX7Z0H83N488U
   Shop #: WSC 00000 000 00000
   VCID: 3973DA077021DB879E-806C

No fault code found.

-------------------------------------------------------------------------------
Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
   Part No SW: 1K0 959 701 M    HW: 1K0 959 701 M
   Component: Tuer-SG         006 1207  
   Coding: 0001077
   Shop #: WSC 01357 011 00200
   VCID: 3875DF034B2BC28F61-806C

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist        Labels: 1Kx-909-144-G2V3.clb
   Part No: 1K1 909 144 M
   Component: EPS_ZFLS Kl.074 H08 1901  
   Shop #: WSC 51040 001 1048576
   VCID: 356BD6375C393FE77A-8060

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb
   Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
   Component:    KSG PQ35 RDK 052 0221  
   Revision: 00052000    Serial number: 00000000000000
   Coding: 139006885103281B0904058FB0080A04889C00
   Shop #: WSC 00000 785 00200
   VCID: 040D7BF34763566FBD-8050

   Subsystem 1 - Component:   Sounder n.mounted     

   Subsystem 2 - Component:       NGS n.mounted     

   Subsystem 3 - Component:      IRUE n.mounted     

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
   Part No SW: 1K0 959 702 M    HW: 1K0 959 702 M
   Component: Tuer-SG         006 1207  
   Coding: 0001076
   Shop #: WSC 01357 011 00200
   VCID: 3973DA077021DB879E-806C

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 1T0-907-357.lbl
   Part No: 1T0 907 357 
   Component: Dynamische LWR      0003  
   Coding: 0000003
   Shop #: WSC 01357 011 00200
   VCID: 74ED2B3317C366EF8D-8020

No fault code found.

-------------------------------------------------------------------------------
Address 56: Radio        Labels: 1K0-035-1xx-56.lbl
   Part No SW: 1K0 035 180 L    HW: 1K0 035 180 L
   Component: Radio PM6       019 0037  
   Revision: 00019000    Serial number: VWZ5Z7H2255538
   Coding: 0040401
   Shop #: WSC 01357 011 00200
   VCID: 29530A4780816B07EE-807C

No fault code found.

-------------------------------------------------------------------------------
Address 65: Tire Pressure        Labels: 3C0-959-433-65.lbl
   Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
   Component:    RDK              0450  
   Revision: 00052000    Serial number: 00000000000000
   Coding: 0100101
   Shop #: WSC 01357 011 00200
   VCID: 040D7BF34763566FBD-8050

1 Fault Found:
01521 - Sensor for Tire Pressure 
            004 - No Signal/Communication
             Freeze Frame:
                    Fault Status: 01110100
                    Fault Priority: 4
                    Fault Frequency: 1
                    Reset counter: 9
                    Mileage: 237457 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 07:02:42


End-------------------------(Elapsed Time: 01:49)--------------------------
 
   #2  

vwtech

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Before clearing codes what are the long term fuel trims at idle and part load?
+or- 5% is good.
Also TSB for Throttle Body harness would be a good guess for P0121, P0221 & P1545

Also check your PM I left you one.

Good Luck
 
   #3  

Jef

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Take a look at the wiring harness and connector at the throttle body itself. There was an updated terminal housing and terminals for the throttle body. The wires were cut, new wires crimped in and taped up. This was to fix a poor electrical/mechanical connection at the throttle body itself that can cause those types of fault codes.

I did a quick bit of searching and found this:
https://f01.justanswer.com/mike2765/85dc77fc-ef80-4b58-9270-29d8edbb3f46_throttle+tsb.pdf

Verify with your local VW dealer that the part numbers provided are applicable to your VIN.

When this repair is done, it is important to be 100% you don't get any wires mixed up... I did these one wire at a time, double checking the correct location of each wire before I went to the next wire to cut/crimp.
 
Last edited:
   #4  

gh0st

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I drove the car 45 miles to work today and it was OK. I'll check the fuel trim later on.

As far as the TSB, it hasn't been done on my car, but there looks like plenty of slack on the cable. From my understanding the issues was caused because the cable was too tight and the wires would be pulled out of the connector, right?
 
   #5  

vwtech

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No the pins in connector go bad.
Very common even on older MK4 models but no TSB was ever made for them. They started to fail later in life with high mileage.
MK5 failed at much lower mileage therefor the TSB was produced.
And the parts are not cheap pig tail wires costly for just short pig tails.

Good Luck
 
   #6  

Jack@European_Parts

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Stan Lee Marvel Comics is correct ( VWTECH )

When someone can't get the connectors, I have found that taking TV apart drilling holes and soldering wires to the PINS in the TV stationary and crimp clip, then route wires out & fill connector with RTV silicone and too extend the needed length to make new plug in safe area or back to ECU directly + a strain relief with spiral-wrap does a nice trick.
 
   #7  

gh0st

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Ah, ok. That sounds like it applies then. I'll look into doing that. I checked the long term fuel trim (for the 45 miles this morning) and idle was at -0.2% and load was at 0.8%.
 
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