jerryfreak
Veteran Member
- Joined
- Feb 16, 2004
- Location
- Nor Cal
- TDI
- 02 Jetta GLS sedan @295K, 99 Jetta sedan 275k,. 2015 tdi sedan, 105k
CEL on so i ran the codes. reset it and it came back on, but a week later it went off
see notes in bold red
first scan @ ~102800 mi:
-------------------------------------------------------------------------------
Address 01: Engine (J623-CVCA) Labels:. 04L-907-309-V1.clb
Part No SW: 04L 906 016 AJ HW: 04L 907 309 K
Component: R4 2.0l TDI H20 9286
Revision: 8AH20---
Coding: 01190012042410084000
Shop #: WSC 26105 444 00000
ASAM Dataset: EV_ECM20TDI01104L906016AJ 004011
ROD: EV_ECM20TDI01104L906016AJ_004.rod
VCID: 71E92361A03A0C0EF4-8024
3 Faults Found:
4523 - Control Module 1 for Coolant Fan
P1946 00 [040] - Defective
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 64
Mileage: 161122 km
Date: 2022.05.31
Time: 20:09:11
Engine speed: 2278.50 /min
Normed load value: 52.2 %
Vehicle speed: 89 km/h
Coolant temperature: 91 °C
Intake air temperature: 124 °C
Ambient air pressure: 940 mbar
Voltage terminal 30: 14.200 V
Unlearning counter according OBD: 40
Air mass: specified value: 250.0 mg/stroke
Coolant temp. sensor 1 bank 1 at cylinder head: raw value: 29.0 °C
Heat delivery temperature in cooling system: -273.1 °C
Extern.temp.sens.1 bank 1: raw value: 16.5 °C
Coolant fan 1: activation: 10.00 %
Fuel temp. sensor 1 bank 1: raw value: 40.7 °C
28653 - Reductant System Performance Bank 1
P204F 00 [096] - Malfunction
Intermittent - Not Confirmed - Tested Since Memory Clear
21467 - Mass Airflow Sensor 1
P00BC 00 [236] - Airflow too Low
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 254
Mileage: 162230 km
Date: 2022.06.13
Time: 11:46:22
Engine speed: 1718.50 /min
Normed load value: 58.0 %
Vehicle speed: 102 km/h
Coolant temperature: 92 °C
Intake air temperature: 102 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 13.900 V
Unlearning counter according OBD: 40
Mass airflow sensor 1 bank 1 airflow: raw value: 427.6 mg/stroke
Standardized airflow ratio: filtered: 1.2622
Exhaust recirc.valve 1 bank 1: posit.feedback - Act.value: 0.02 %
Throttl.valve adapt. 1 bank 1: posit feedback - Act.value: 46.19 %
Charge air pressure specified value: 1219 hPa
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 1224.8 hPa
Mean injection quantity: 17.56 mg/stroke
Readiness: 1 1 0 0 0
-------------------------------------------------------------------------------
reset codes, 30 miles later, only mass airflow sensor remained:
-------------------------------------------------------------------------------
Address 01: Engine (J623-CVCA) Labels:. 04L-907-309-V1.clb
Part No SW: 04L 906 016 AJ HW: 04L 907 309 K
Component: R4 2.0l TDI H20 9286
Revision: 8AH20---
Coding: 01190012042410084000
Shop #: WSC 26105 444 00000
ASAM Dataset: EV_ECM20TDI01104L906016AJ 004011
ROD: EV_ECM20TDI01104L906016AJ_004.rod
VCID: 71E92361A03A0C0EF4-8024
1 Fault Found:
21467 - Mass Airflow Sensor 1
P00BC 00 [236] - Airflow too Low
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 85
Mileage: 165552 km
Date: 2022.08.02
Time: 22:04:13
Engine speed: 1584.00 /min
Normed load value: 100.0 %
Vehicle speed: 43 km/h
Coolant temperature: 61 °C
Intake air temperature: 64 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 14.140 V
Unlearning counter according OBD: 40
Mass airflow sensor 1 bank 1 airflow: raw value: 407.6 mg/stroke
Standardized airflow ratio: filtered: 1.1141
Exhaust recirc.valve 1 bank 1: posit.feedback - Act.value: 0.27 %
Throttl.valve adapt. 1 bank 1: posit feedback - Act.value: 0.00 %
Charge air pressure specified value: 1558 hPa
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 987.8 hPa
Mean injection quantity: 29.06 mg/stroke
Readiness: 1 1 0 0 0
----------------------------------------
drove 1200 miles, CEL went off at some point, ran codes again just now:
3 Faults Found:
4523 - Control Module 1 for Coolant Fan
P1946 00 [044] - Defective
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 29
Mileage: 165688 km
Date: 2022.08.03 <----does this mean this intermittent problem happened once, three weeks ago? the scan above from 8/2 had a date of 5/31.
Time: 10:20:06
Engine speed: 1883.00 /min
Normed load value: 59.6 %
Vehicle speed: 111 km/h
Coolant temperature: 91 °C
Intake air temperature: 118 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 14.000 V
Unlearning counter according OBD: 40
Air mass: specified value: 250.0 mg/stroke
Coolant temp. sensor 1 bank 1 at cylinder head: raw value: 48.5 °C
Heat delivery temperature in cooling system: -273.1 °C
Extern.temp.sens.1 bank 1: raw value: 32.0 °C
Coolant fan 1: activation: 79.80 %
Fuel temp. sensor 1 bank 1: raw value: 40.1 °C
8844 - Torque Difference Cylinder 3
P1006 00 [096] - Limit Value Exceeded
Intermittent - Not Confirmed - Tested Since Memory Clear
21467 - Mass Airflow Sensor 1
P00BC 00 [104] - Airflow too Low
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 254
Mileage: 165552 km
Date: 2022.08.02 <--- same, does this mean this is an intermittent problem that happened 3 weeks ago? or that it went out of spec and stayed non-functional since then?
Time: 22:04:13
Engine speed: 1584.00 /min
Normed load value: 100.0 %
Vehicle speed: 43 km/h
Coolant temperature: 61 °C
Intake air temperature: 64 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 14.140 V
Unlearning counter according OBD: 36
Mass airflow sensor 1 bank 1 airflow: raw value: 407.6 mg/stroke
Standardized airflow ratio: filtered: 1.1141
Exhaust recirc.valve 1 bank 1: posit.feedback - Act.value: 0.27 %
Throttl.valve adapt. 1 bank 1: posit feedback - Act.value: 0.00 %
Charge air pressure specified value: 1558 hPa
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 987.8 hPa
Mean injection quantity: 29.06 mg/stroke
Readiness: 0 1 0 0 0
-------------------------------------------------------------------------------
see notes in bold red
first scan @ ~102800 mi:
-------------------------------------------------------------------------------
Address 01: Engine (J623-CVCA) Labels:. 04L-907-309-V1.clb
Part No SW: 04L 906 016 AJ HW: 04L 907 309 K
Component: R4 2.0l TDI H20 9286
Revision: 8AH20---
Coding: 01190012042410084000
Shop #: WSC 26105 444 00000
ASAM Dataset: EV_ECM20TDI01104L906016AJ 004011
ROD: EV_ECM20TDI01104L906016AJ_004.rod
VCID: 71E92361A03A0C0EF4-8024
3 Faults Found:
4523 - Control Module 1 for Coolant Fan
P1946 00 [040] - Defective
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 64
Mileage: 161122 km
Date: 2022.05.31
Time: 20:09:11
Engine speed: 2278.50 /min
Normed load value: 52.2 %
Vehicle speed: 89 km/h
Coolant temperature: 91 °C
Intake air temperature: 124 °C
Ambient air pressure: 940 mbar
Voltage terminal 30: 14.200 V
Unlearning counter according OBD: 40
Air mass: specified value: 250.0 mg/stroke
Coolant temp. sensor 1 bank 1 at cylinder head: raw value: 29.0 °C
Heat delivery temperature in cooling system: -273.1 °C
Extern.temp.sens.1 bank 1: raw value: 16.5 °C
Coolant fan 1: activation: 10.00 %
Fuel temp. sensor 1 bank 1: raw value: 40.7 °C
28653 - Reductant System Performance Bank 1
P204F 00 [096] - Malfunction
Intermittent - Not Confirmed - Tested Since Memory Clear
21467 - Mass Airflow Sensor 1
P00BC 00 [236] - Airflow too Low
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 254
Mileage: 162230 km
Date: 2022.06.13
Time: 11:46:22
Engine speed: 1718.50 /min
Normed load value: 58.0 %
Vehicle speed: 102 km/h
Coolant temperature: 92 °C
Intake air temperature: 102 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 13.900 V
Unlearning counter according OBD: 40
Mass airflow sensor 1 bank 1 airflow: raw value: 427.6 mg/stroke
Standardized airflow ratio: filtered: 1.2622
Exhaust recirc.valve 1 bank 1: posit.feedback - Act.value: 0.02 %
Throttl.valve adapt. 1 bank 1: posit feedback - Act.value: 46.19 %
Charge air pressure specified value: 1219 hPa
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 1224.8 hPa
Mean injection quantity: 17.56 mg/stroke
Readiness: 1 1 0 0 0
-------------------------------------------------------------------------------
reset codes, 30 miles later, only mass airflow sensor remained:
-------------------------------------------------------------------------------
Address 01: Engine (J623-CVCA) Labels:. 04L-907-309-V1.clb
Part No SW: 04L 906 016 AJ HW: 04L 907 309 K
Component: R4 2.0l TDI H20 9286
Revision: 8AH20---
Coding: 01190012042410084000
Shop #: WSC 26105 444 00000
ASAM Dataset: EV_ECM20TDI01104L906016AJ 004011
ROD: EV_ECM20TDI01104L906016AJ_004.rod
VCID: 71E92361A03A0C0EF4-8024
1 Fault Found:
21467 - Mass Airflow Sensor 1
P00BC 00 [236] - Airflow too Low
MIL ON - Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 85
Mileage: 165552 km
Date: 2022.08.02
Time: 22:04:13
Engine speed: 1584.00 /min
Normed load value: 100.0 %
Vehicle speed: 43 km/h
Coolant temperature: 61 °C
Intake air temperature: 64 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 14.140 V
Unlearning counter according OBD: 40
Mass airflow sensor 1 bank 1 airflow: raw value: 407.6 mg/stroke
Standardized airflow ratio: filtered: 1.1141
Exhaust recirc.valve 1 bank 1: posit.feedback - Act.value: 0.27 %
Throttl.valve adapt. 1 bank 1: posit feedback - Act.value: 0.00 %
Charge air pressure specified value: 1558 hPa
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 987.8 hPa
Mean injection quantity: 29.06 mg/stroke
Readiness: 1 1 0 0 0
----------------------------------------
drove 1200 miles, CEL went off at some point, ran codes again just now:
3 Faults Found:
4523 - Control Module 1 for Coolant Fan
P1946 00 [044] - Defective
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 29
Mileage: 165688 km
Date: 2022.08.03 <----does this mean this intermittent problem happened once, three weeks ago? the scan above from 8/2 had a date of 5/31.
Time: 10:20:06
Engine speed: 1883.00 /min
Normed load value: 59.6 %
Vehicle speed: 111 km/h
Coolant temperature: 91 °C
Intake air temperature: 118 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 14.000 V
Unlearning counter according OBD: 40
Air mass: specified value: 250.0 mg/stroke
Coolant temp. sensor 1 bank 1 at cylinder head: raw value: 48.5 °C
Heat delivery temperature in cooling system: -273.1 °C
Extern.temp.sens.1 bank 1: raw value: 32.0 °C
Coolant fan 1: activation: 79.80 %
Fuel temp. sensor 1 bank 1: raw value: 40.1 °C
8844 - Torque Difference Cylinder 3
P1006 00 [096] - Limit Value Exceeded
Intermittent - Not Confirmed - Tested Since Memory Clear
21467 - Mass Airflow Sensor 1
P00BC 00 [104] - Airflow too Low
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 254
Mileage: 165552 km
Date: 2022.08.02 <--- same, does this mean this is an intermittent problem that happened 3 weeks ago? or that it went out of spec and stayed non-functional since then?
Time: 22:04:13
Engine speed: 1584.00 /min
Normed load value: 100.0 %
Vehicle speed: 43 km/h
Coolant temperature: 61 °C
Intake air temperature: 64 °C
Ambient air pressure: 850 mbar
Voltage terminal 30: 14.140 V
Unlearning counter according OBD: 36
Mass airflow sensor 1 bank 1 airflow: raw value: 407.6 mg/stroke
Standardized airflow ratio: filtered: 1.1141
Exhaust recirc.valve 1 bank 1: posit.feedback - Act.value: 0.27 %
Throttl.valve adapt. 1 bank 1: posit feedback - Act.value: 0.00 %
Charge air pressure specified value: 1558 hPa
Charge air cooler inlet: pressure sensor 1 bank 1: raw value: 987.8 hPa
Mean injection quantity: 29.06 mg/stroke
Readiness: 0 1 0 0 0
-------------------------------------------------------------------------------
Last edited: