Struggling with the p229f NOx error here. I have replaced both NOx sensors to the new updated G & H code NOx sensors, drove 55 miles and CEL came on again with the following -
Code:
Sunday,10,July,2016,18:28:50:60469
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 8.1 x64
VCDS Version: 16.6.0.2 (x64)
Data version: 20160602 DS251
www.Ross-Tech.com
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Chassis Type: FE (4F0)
Scan: 01 02 03 05 08 09 15 16 17 19 28 34 36 3C 42 46 47 4C 4F 52
55 56 5F 62 69 6C 6D 6F 72 76
VIN: WA1WMAFE7CD000897 Mileage: 119280km-74117miles
01-Engine -- Status: Malfunction 0010
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
04-Steering Angle -- Status: OK 0000
05-Acc/Start Auth. -- Status: Malfunction 0010
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
28-HVAC, Rear -- Status: OK 0000
34-Level Control -- Status: OK 0000
36-Seat Mem. Drvr -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
42-Door Elect, Driver -- Status: OK 0000
46-Central Conv. -- Status: OK 0000
47-Sound System -- Status: OK 0000
4C-Tire Pressure II -- Status: OK 0000
4F-Centr. Electr. II -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
56-Radio -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
62-Door, Rear Left -- Status: OK 0000
69-Trailer -- Status: OK 0000
6C-Back-up Cam. -- Status: OK 0000
6D-Trunk Elect. -- Status: OK 0000
6F-Centr. Conv. II -- Status: OK 0000
72-Door, Rear Right -- Status: Malfunction 0010
76-Park Assist -- Status: OK 0000
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Address 01: Engine (J623-CATA) Labels: 059-907-401-V2.clb
Part No SW: 4L2 910 401 HW: 4L0 907 401 D
Component: 3.0TDI EDC17 H18 0005
Revision: 54H18--- Serial number:
Coding: 2A2A4012253600050000
Shop #: WSC 41266 000 1048576
ASAM Dataset: EV_ECM30TDI0114L2910401 001005
ROD: EV_ECM30TDI0114L2910401.rod
VCID: 61C9C5C570A59F4BB6-8034
2 Faults Found:
9567 - NOx Sensor 2 Bank 1
P229F 00 [237] - Implausible Signal
MIL ON - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 2
Mileage: 119252 km
Date: 2016.07.10
Time: 16:00:44
Engine speed: 2265.00 /min
Normed load value: 78.8 %
Vehicle speed: 28 km/h
Coolant temperature: 90 °C
Intake air temperature: 39 °C
Ambient air pressure: 990 mbar
Voltage terminal 30: 13.980 V
Unlearning counter according OBD: 40
NOx sensor 2; feed voltage: 13600 mV
EGR solenoid valve; actual value: 81.29 %
Air mass for release of NOx sensor 2 offset test: 0.0 g
Exh r N Ox Pres Comp No Cat2 Ds: 138 ppm
Measured NOx conversion: 0.636
NOx sensor 2; NOx concentration: 138 ppm
Target value of heating temperature of NOx sensor 2-Bit 0: 00000001
9050 - SCR NOx Catalyst Bank 1
P20EE 00 [101] - Efficiency too Low
Not Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 1
Mileage: 119264 km
Date: 2016.07.10
Time: 17:47:55
Engine speed: 1436.50 /min
Normed load value: 58.4 %
Vehicle speed: 59 km/h
Coolant temperature: 91 °C
Intake air temperature: 36 °C
Ambient air pressure: 990 mbar
Voltage terminal 30: 13.880 V
Unlearning counter according OBD: 40
Long-term adaptation of reduction agent dosage: 1.80
Measured NOx conversion region 1: 0.292
Efficiency threshold of NOx conversion region 1: 0.555
SCR catalytic converter average temperature: 278.2 °C
NOx sensor 1; NOx concentration: 148 ppm
NOx sensor 2; NOx concentration: 221 ppm
Readiness: 1 1 0 0 1
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