23086 - Fuel Level Sensor Circuit

   #1  
T

tracert

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Hello: Looking for input on an issue I created. I installed APR's Stage3 kit on my 2016 Golf R and after installing the high output LPFP my gas gauge no longer works. I checked to ensure the arm moves freely and ensured the wires are connected tightly. Any input would be greatly appreciated. Thanks in advance!



IDE03473-IDE00730 tank sensor-Fuel level sensor 1 including soiling resistance 510 Ohm
IDE03473-IDE00731 tank sensor-Fuel level sensor 2 including soiling resistance 268 Ohm
IDE03473-IDE00732 tank sensor-Fuel level sensor 1 soiling resistance 412 Ohm
IDE03473-IDE00733 tank sensor-Fuel level sensor 2 soiling resistance 0 Ohm
IDE03473-MAS03798 tank sensor-Raw value sensor 1 resistor 1 3410
IDE03473-MAS03799 tank sensor-Raw value sensor 1 resistor 2 3410
IDE03473-MAS03800 tank sensor-Raw value sensor 2 resistor 1 2354
IDE03473-MAS03801 tank sensor-Raw value sensor 2 resistor 2 1093

Code: 
                Address 01: Engine       Labels: 06K-907-425-V1.clb
Control Module Part Number: 8V0 906 259 H    HW: 06K 907 425 E
  Component and/or Version: 2.0l R4 TFSI  H13 0002
           Software Coding: 091900122446000E3004
            Work Shop Code: WSC 01357 011 00200
              ASAM Dataset: EV_ECM20TFS0208V0906259H 001003 (VW37)
                       ROD: EV_ECM20TFS0208V0906259H.rod
                      VCID: C58B49DB44B7D7ACF0-8090
3 Faults Found:

23086 - Fuel Level Sensor Circuit
          P0463 00 [039] - Signal too High
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 55190 km
                    Date: 2021.01.10
                    Time: 18:57:39

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 47 °C
                    Intake air temperature: 43 °C
                    Ambient air pressure: 870 mbar
                    Voltage terminal 30: 12.421 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: ES
                    STATE_LS_SAE[1]: INI
                    T_AST_SAE: 0 s
                    MAP_MES_SAE: 86 kPa
                    Lambda probe voltage: bank 1: probe 1 (broadband probe): 1.997 V
                    FAC_TPS_1_SAE: 16.015625 %
                    FUP_H_SAE: 7260.0 kPa

22063 - Implausible Data Received from Instrument Panel Control Module
          U0423 00 [039] - -
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 55190 km
                    Date: 2021.01.10
                    Time: 18:57:27

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 47 °C
                    Intake air temperature: 43 °C
                    Ambient air pressure: 870 mbar
                    Voltage terminal 30: 12.441 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: ES
                    ECU_STATE: ENG_STOP
                    Engine oil temperature: 49.0 °C
                    Time since engine start: 0.0 s
                    T_ES: 4 min
                    Cruise control switch actuation-Main switch: Not operated
                    Cruise control switch actuation-Set: Not operated
                    Cruise control switch actuation-Resume: Not operated
                    Cruise control switch actuation-Status: OK
                    Cruise control switch actuation-Accelerate: Not operated
                    Cruise control switch actuation-DELAY: Not operated
                    Cruise control switch actuation-Cancel: Not operated
                    Cruise control switch actuation-Main switch hardware: Not operated
                    Cruise control switch actuation-Coding: plausible
                    Cruise control switch actuation-Limit function: not selected
                    Cruise control switch actuation-Limit button: Not operated
                    Cruise control switch actuation-Main switch CAN: Not operated
                    Cruise control switch actuation-Large increment: Not operated
                    Cruise control switch actuation-Control component verified: Yes
                    ECU_STATE: ENG_STOP

22092 - Implausible Data Received from Instrument Panel Control Module
          U0423 00 [039] - -
          Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Mileage: 55190 km
                    Date: 2021.01.10
                    Time: 18:57:27

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 47 °C
                    Intake air temperature: 43 °C
                    Ambient air pressure: 870 mbar
                    Voltage terminal 30: 12.441 V
                    Unlearning counter according OBD: 40
                    Engine: operating status: ES
                    ECU_STATE: ENG_STOP
                    Engine oil temperature: 49.0 °C
                    Time since engine start: 0.0 s
                    T_ES: 4 min
                    Cruise control switch actuation-Main switch: Not operated
                    Cruise control switch actuation-Set: Not operated
                    Cruise control switch actuation-Resume: Not operated
                    Cruise control switch actuation-Status: OK
                    Cruise control switch actuation-Accelerate: Not operated
                    Cruise control switch actuation-DELAY: Not operated
                    Cruise control switch actuation-Cancel: Not operated
                    Cruise control switch actuation-Main switch hardware: Not operated
                    Cruise control switch actuation-Coding: plausible
                    Cruise control switch actuation-Limit function: not selected
                    Cruise control switch actuation-Limit button: Not operated
                    Cruise control switch actuation-Main switch CAN: Not operated
                    Cruise control switch actuation-Large increment: Not operated
                    Cruise control switch actuation-Control component verified: Yes
                    ECU_STATE: ENG_STOP


Readiness: 1110 0101
 
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   #2  
DrPeter

DrPeter

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Hello,

Do you have the Official Factory Wiring Diagrams/Repair manuals? We recommend to use them when attempting to diagnoses these vehicles.

I would suggest to look for wiring concerns at the "GX1-Fuel Delivery Unit", Pins (3)/(5) are for the "Fuel Level Sensor-G" and Pins (4)/(6) are for the Fuel Level Sensor-G169" and Pin (1) is the common for both sensors G and G169.

All of these wires go directly to the T18 connector on the J285-Instrument Cluster. There are no other connections in between so the concern should be in the area of the Tank, unless something was shorted/damaged withing the J285???

Have you checked/verified the Fuel Level sensor's resistance changes in the Advanced Measuring Value blocks when moving the arms of the fuel level sensors?

Are there any fault codes in the J285-Instrument Cluster?


Let us know and hope this helps,

drpeter
 
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