Resolved Help with MMI issues - module 5F cannot be reached

Resolved
   #1  

jordy_wd

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C?ID=526131
Hello,

I'm having issues with the infotainment system on my 2014 Skoda Octavia (VW MQB platform).

The main issue is the infotainment will not switch on with the ignition, will not connect to bluetooth, and will not communicate with the steering wheel buttons or the display in the dash.

I believe this is related to a freak cold weather snap we've just had in the UK. It might be related to battery or voltage? I've tried taking the negative off the battery for a while but I get the same codes.

I've posted an auto-scan below. The biggest red-flag seems to be the 5F module not working at all! I've checked all fuses and everything appears okay. I haven't done any recent repairs etc. and the car hasn't been tinkered with or worked on in nearly a year.

Code:
Tuesday,20,December,2022,13:40:09:31540
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x86
VCDS Version: 22.3.1.4  HEX-V2 CB: 0.4615.4
Data version: 20220407 DS337.0
www.Ross-Tech.com


VIN: TMBKK7NE4F005****   License Plate:


Chassis Type: NE-SK37 (5Q0)
Scan: 01 03 08 09 10 15 16 17 19 42 44 52 55 5F 69 A5 A9

VIN: TMBKK7NE4F005****   Mileage: 146734km-91176miles

01-Engine -- Status: Malfunction 0010
03-ABS Brakes -- Status: Malfunction 0010
08-Auto HVAC -- Status: Malfunction 0010
09-Cent. Elect. -- Status: Malfunction 0010
10-Park/Steer Assist -- Status: OK 0000
15-Airbags -- Status: OK 0000
16-Steering wheel -- Status: OK 0000
17-Instruments -- Status: Malfunction 0010
19-CAN Gateway -- Status: Malfunction 0010
42-Door Elect, Driver -- Status: OK 0000
44-Steering Assist -- Status: OK 0000
52-Door Elect, Pass. -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
5F-Information Electr. -- Status: Cannot be reached 0100
69-Trailer -- Status: Malfunction 0010
A5-Frt Sens. Drv. Assist -- Status: Malfunction 0010
A9-Struct. Borne Sound -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-CUPA)       Labels:. 04L-907-309-V1.clb
   Part No SW: 04L 906 021 EL    HW: 04L 907 309 D
   Component: R4 2,0L EDC   X22 7542 
   Revision: 83X22---    CVN: 7ED3A2D0
   Coding: 12190012033501080000
   Shop #: WSC 92521 052 12345
   ASAM Dataset: EV_ECM20TDI01104L906021EL 002008
   ROD: EV_ECM20TDI01104L906021EL_SK37.rod
   VCID: 73B3DCC20B329BD3C2D-8026
   VINID: 91D49B6C77951160001420C31879F6F90F

2 Faults Found:
17158 - Databus
          U1123 00 [047] - Received Error Message
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 254
                    Mileage: 142826 km
                    Date: 2022.08.19
                    Time: 13:34:56

                    Engine RPM: 0.00 /min
                    Normed load value: 0.0 %
                    Vehicle speed: 0 km/h
                    Coolant temperature: 41 °C
                    Intake air temperature: 44 °C
                    Ambient air pressure: 1000 mbar
                    Voltage terminal 30: 12.040 V
                    Unlearning counter according OBD: 40
                    Drivetrain coordinator: ACC fault status-Bits 0-7: 0
                    Drivetrain coordinator: ACC fault status-Bits 0-7: 0
                    Drivetrain coordinator: brake fault status-Bits 0-7: 17
                    Drivetrain coordinator: brake function status-Bits 0-7: 0
                    Drivetrain coordinator: brake function status-Bits 0-7: 0
                    Acceleration: 0.000 m/s²

18111 - Oxygen (Lambda) Sensor B1 S1
          P2237 00 [096] - Pump Current Open Circuit
          Intermittent - Not Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 2
                    Mileage: 146122 km
                    Date: 2022.12.09
                    Time: 10:11:29

                    Engine RPM: 3808.00 /min
                    Normed load value: 89.8 %
                    Vehicle speed: 79 km/h
                    Coolant temperature: 90 °C
                    Intake air temperature: 106 °C
                    Ambient air pressure: 1000 mbar
                    Voltage terminal 30: 14.180 V
                    Unlearning counter according OBD: 30
                    Oxygen sensor bank 1 before oxi cat: signal qual. pump flow controller: 14
                    Oxygen sensor bank 1 before oxi cat: signal qual. temperature regulator: 6
                    Oxygen sensor bank 1 before oxi cat: electric. corrected Pump current: 0.0000000 A
                    Oxygen sensor bank 1 before oxi cat: heater activation: 83.893 %
                    Oxygen sensor bank 1 before oxi cat: electric. corrected Urie sensor value: 0.5376 V
                    Oxygen sensor bank 1 before oxi cat: adjustable resistor: 89.4 Ohm
                    Oxyg.sensor bank 1 before oxi cat: curr.pump curr.adaptation: 1.0789

Readiness: 0 0 0 0 0

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-ESP-V1.clb
   Part No SW: 5Q0 907 379 K    HW: 5Q0 907 379 F
   Component: ESC           H31 0371 
   Revision: 00000000    Serial number: 61854000005022
   Coding: 1C0793915425096E007A060341C92938C92A9000608294F400630070C009
   Shop #: WSC 73430 031 00063
   ASAM Dataset: EV_Brake1UDSContiMK100ESP 033001
   ROD: EV_Brake1UDSContiMK100ESP_033_VW37.rod
   VCID: 44D14F1E1E1C6C6BAB7-8010

2 Faults Found:
8314 - Check Coding of ECUs on Powertrain Data Bus
          P1647 00 [009] - -
          [FCAN: Coding of ESP and TSK does not fit together]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 218
                    Reset counter: 238
                    Mileage: 142826 km
                    Date: 2022.08.19
                    Time: 13:34:56

16401 - Tire Pressure Warning
          C102D 00 [008] - -
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 7
                    Reset counter: 254
                    Mileage: 142986 km
                    Date: 2022.08.24
                    Time: 09:06:17


-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:| 5G0-907-044.clb
   Part No SW: 5E0 907 044 N    HW: 5E0 907 044 N
   Component: Climatronic   H03 0907 
   Revision: 00001K06   
   Coding: 02110104000100011005000110101000
   Shop #: WSC 73430 031 00063
   ASAM Dataset: EV_ACClimaBHBVW37X 003017
   ROD: EV_ACClimaBHBVW37X_003_VW37.rod
   VCID: 303913CEBAA4E0CB7FF-8064

   Fresh air blower control module (front):

   A/C pressure/coolant temperature sensor:

   Air quality sensor:

1 Fault Found:
329479 - Position Sensor for Fresh/Recirculated Flap Motor
          B109B 15 [008] - Open or Short to Plus
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 86
                    Reset counter: 22
                    Mileage: 143000 km
                    Date: 2022.08.24
                    Time: 12:50:49

                    Voltage terminal 30: 13.2 V
                    Outside temperature: 20.0 °C
                    Inside temperature: 27.7 °C
                    Actual value for fresh air/recirculation air flow flap: 32
                    Actual value for fresh air/recirculation air flow flap: 0.0 %
                    Fresh air/recirculating air/back pressure door specified value: 32


-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:| 5Q0-937-08X-HV1.clb
   Part No SW: 5Q0 937 086 AA    HW: 5Q0 937 086 AA
   Component: BCM PQ37BOSCH 028 0106 
   Revision: --------    Serial number: 86581907140222
   Coding: 0F020B66C24722FB03A04082B11C07280000000000000000000000000000
   Shop #: WSC 73430 790 00161
   ASAM Dataset: EV_BodyContrModul1UDSBosc 013005
   ROD: EV_BCMBOSCH_013.rod
   VCID: 79AFEEEA295EE183881-802C

   Wiper motor control module:
   Subsystem 1 - Part No SW: 5E2 955 119     HW: 5E2 955 119   Labels: 5QX-955-119-V1.CLB
   Component: WWS371 140703  041 0570
   Serial number:         140708022021
   Coding: 0E4DFD

   Rain/Light Recognition Sensor:
   Subsystem 2 - Part No SW: 5Q0 955 547 A    HW: 5Q0 955 547 A  Labels: 5Q0-955-547.CLB
   Component: RLHS  037 0059
   Serial number: S4Y14M07D21H17M26S53
   Coding: 04805D

   Anti-theft alarm system sensor:
   Subsystem 3 - Part No SW: 5Q0 951 171     HW: 5Q0 951 171
   Component: Sensor, DWA  005 0315
   Serial number: 000000000ZY1410524F1

   Alarm horn:
   Subsystem 4 - Part No SW: 5Q0 951 605     HW: 5Q0 951 605
   Component: Sirene, DWA  004 0311
   Serial number: 00000000000030191858

   Humidity sensor: interior:

2 Faults Found:
787212 - Windshield Washer Pump
          B1261 01 [008] - Electrical Failure
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 1
                    Reset counter: 12
                    Mileage: 146367 km
                    Date: 2022.12.15
                    Time: 10:15:50

                    Terminal 15 status: On
                    Terminal 50 status: OFF
                    CAN-Bus_aktiv: On
                    Status Bremslichtschalter (HW): OFF
                    Status Bremslichtschalter (CAN): OFF
                    OFF: Not operated
                    Position lamps: Not operated
                    Automatic high beam assist: operated
                    Low beam: Not operated
                    Parking light left: Not operated
                    Parking light right: Not operated
                    last_wakeup: gültiges Funktelegramm
                    Voltage: 13.0 V
                    Outside temperature: -3.0 °C

133387 - Voltage Supply; Terminal 30 for Central Locking
          B140F 13 [008] - Open Circuit
          Intermittent - Confirmed - Tested Since Memory Clear


-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791)       Labels:| 5Q0-919-283.clb
   Part No SW: 5Q0 919 283 D    HW: 5Q0 919 283
   Component: PARKHILFE 4K  H10 0048 
   Revision: --------    Serial number: 39231419703182
   Coding: 0001150101
   Shop #: WSC 73430 031 00063
   ASAM Dataset: EV_EPHVA14AU3700000 002022
   ROD: EV_EPHVA14AU3700000_002_VW37.rod
   VCID: 3A2D31E66CD82A9BC1B-806E

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 3Q0 959 655 AC    HW: 3Q0 959 655 AC
   Component: Airbag VW20   012 0189 
   Revision: --------    Serial number: 003P4PDGZJJU
   Coding: 98CCC000000000005C5400CC008800000065
   Shop #: WSC 73430 790 00161
   ASAM Dataset: EV_AirbaVW20TS6VW48X 001116
   ROD: EV_AirbaVW20TS6VW48X.rod
   VCID: 7F5B00F2377ACFB3B65-802A

   Crash sensor for side airbag: driver side:
   Subsystem 1 - Part No SW: -----------    HW: 454 000 907 14
   Component: SideSensor_Df  008 0887
   Serial number: 3576U000000F3D144016
   Coding: 2D2D2D

   Front Passenger's Side Airbag Crash Sensor:
   Subsystem 2 - Part No SW: -----------    HW: 454 000 507 14
   Component: SideSensor_Pf  008 0887
   Serial number: 3586U000000DD6013013
   Coding: 2D2D2D

   Rear Side Airbag Crash Sensor (on driver's side):
   Subsystem 3 - Part No SW: -----------    HW: 454 801 207 14
   Component: SideSensor_Dr  111 0148
   Serial number: 3516R61001B04000000M
   Coding: 2D2D2D

   Passenger side rear thorax airbag crash sensor:
   Subsystem 4 - Part No SW: -----------    HW: 454 802 906 14
   Component: SideSensor_Pr  111 0148
   Serial number: 3526R78F60D04000000A
   Coding: 2D2D2D

   Crash sensor for front airbag: driver side:
   Subsystem 5 - Part No SW: -----------    HW: 454 802 105 14
   Component: FrontSensor_D  114 0149
   Serial number: 3556V86F6B003000000D
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 16: Steering wheel (J527)       Labels:| 5Q0-953-549.clb
   Part No SW: 5Q0 953 507 AC    HW: 5Q0 953 549
   Component: Lenks. Modul  007 0070 
   Revision: --------    Serial number: 18071404220547
   Coding: 1400
   Shop #: WSC 73430 031 00063
   ASAM Dataset: EV_SMLSKLOMQB 009001
   ROD: EV_SMLSKLOMQB_009_VW37.rod
   VCID: 77ABE8D21F4AF7F3FE5-8022

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
   Part No SW: 5E0 920 947     HW: 5E0 920 947
   Component: KOMBI         204 4290 
   Coding: 27AD09006980AE0001007A021000000000000000
   Shop #: WSC 73430 031 00161
   ASAM Dataset: EV_DashBoardVDDMQBAB 009040
   ROD: EV_DashBoardVDDMQBAB_009_VW26.rod
   VCID: 698FBEAA59FE5103781-803C

2 Faults Found:
16777018 - Function Restricted due to Interrupted Communications
          U1110 00 [008] - -
          [BAP_Audio_0x31 keine Kommunikation]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 9
                    Mileage: 146291 km
                    Date: 2022.12.13
                    Time: 11:31:19

16777022 - Function Restricted due to Interrupted Communications
          U1110 00 [008] - -
          [BAP_NAV SD_0x32 keine Kommunikation]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 1
                    Reset counter: 9
                    Mileage: 146291 km
                    Date: 2022.12.13
                    Time: 11:31:19


-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 5Q0-907-530-V1.clb
   Part No SW: 5Q0 907 530 T    HW: 5Q0 907 530 F
   Component: GW MQB High   128 1188 
   Revision: --------    Serial number: 0002223796
   Coding: 030100040F087300EF00026A080F00010001050000000000000000000000
   Shop #: WSC 73430 790 00161
   GVL: 01543C1000000000C08C10000000480000000000000000000000000000000000
   ASAM Dataset: EV_GatewLear 011016
   ROD: EV_GatewLear_011.rod
   VCID: 42DD49060408625B99B-8016

   Generator:

   Multifunction steering wheel control module:
   Subsystem 2 - Part No SW: 5E0 919 719 A    HW: 5E0 919 719 A
   Component: E221__MFL-PR6  H04 0130
   Serial number: 000000000A2011260614

   Battery Monitoring Control Module:
   Subsystem 3 - Part No SW: 5Q0 915 181 E    HW: 5Q0 915 181 E
   Component: J367-BDMHella  H03 8043
   Serial number: 1428593903         

4 Faults Found:
66052 - Infotainment CAN Bus (SAE Bus E)
          U0065 00 [008] - Performance
          [Globaler Timeout CAN-Infotainment]
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 4
                    Reset counter: 9
                    Mileage: 146290 km
                    Date: 2022.12.13
                    Time: 11:30:53

                    Terminal 30 power supply: 14.0 V
                    Terminal 15: On

66564 - Infotainment CAN Bus (SAE Bus E)
          U0064 00 [009] - Malfunction
          [Bus defekt CAN-Infotainment]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 1
                    Fault Frequency: 254
                    Reset counter: 236
                    Mileage: 146284 km
                    Date: 2022.12.13
                    Time: 10:19:47

                    Terminal 30 power supply: 13.5 V
                    Terminal 15: On

65796 - Infotainment CAN in One-Wire Mode
          U0072 00 [009] - -
          [Eindrahtfehler CAN-Infotainment]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 2
                    Fault Frequency: 254
                    Reset counter: 234
                    Mileage: 146257 km
                    Date: 2022.12.13
                    Time: 08:16:18

                    Terminal 30 power supply: 11.2 V
                    Terminal 15: On

8526355 - Voltage Drop in Generator Leads too large
          P30DE 00 [008] - -
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 5
                    Fault Frequency: 254
                    Reset counter: 23
                    Mileage: 142837 km
                    Date: 2022.08.20
                    Time: 07:34:41

                    Terminal 30 power supply: 13.7 V
                    Terminal 15: On


-------------------------------------------------------------------------------
Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
   Part No SW: 5Q4 959 393 B    HW: 5Q4 959 393 B
   Component: TSG FS        009 0014 
   Serial number: 0000111140715
   Coding: 001C00208001040000001100
   Shop #: WSC 73430 790 00161
   ASAM Dataset: EV_DCUDriveSideEWMAXCONT 006001
   ROD: EV_DCUDriveSideEWMAXCONT.rod
   VCID: 42DD49060408625B99B-8016

   Rear Driver Side Door Control Module:
   Subsystem 1 - Part No SW: 5Q0 959 812 A    HW: 5Q0 959 812 A  Labels: 5QX-959-81X-V1.CLB
   Component: FOND_FHSG_DRV  005 0005
   Serial number: 00000000000003267211
   Coding: 1D0200

No fault code found.

-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
   Part No SW: 3Q0 909 144 F    HW: 3Q0 909 144 F
   Component: EPS_MQB_ZFLS  503 5043 
   Coding: 9103
   Shop #: WSC 73430 790 00161
   ASAM Dataset: EV_SteerAssisMQB 010031
   ROD: EV_SteerAssisMQB_010.rod
   VCID: 353722DA45C6C5E32C9-8060

No fault code found.

-------------------------------------------------------------------------------
Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
   Part No SW: 5Q4 959 392 B    HW: 5Q4 959 392 B
   Component: TSG BFS       009 0014 
   Serial number: 0000111534605
   Coding: 001C00200C01040000001100
   Shop #: WSC 73430 790 00161
   ASAM Dataset: EV_DCUPasseSideEWMAXCONT 006001
   ROD: EV_DCUPasseSideEWMAXCONT.rod
   VCID: 41DF460A010E7943801-8014

   Rear Passenger Door Control Module:
   Subsystem 1 - Part No SW: 5Q0 959 811 A    HW: 5Q0 959 811 A  Labels: 5QX-959-81X-V1.CLB
   Component: FOND_FHSG_PSG  005 0005
   Serial number: 00000000000003279086
   Coding: 050200

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J745)       Labels:| 7P6-907-357.clb
   Part No SW: 7P6 907 357 D    HW: 7P6 907 357 A
   Component: AFS-ECU       H07 0090 
   Revision: --------    Serial number: --------------
   Coding: 03DE02003F000000
   Shop #: WSC 73430 790 00063
   ASAM Dataset: EV_HeadlRegulVWAFSMQB 001120
   ROD: EV_HeadlRegulVWAFSMQB.rod
   VCID: 40D9430E0A04704B8FF-8014

   Left Headlamp Power Output Stage:
   Subsystem 1 - Part No SW: 1T0 941 329 B    HW: 1T0 941 329 B  Labels: 3D0-941-329.CLB
   Component: LeiMo links  H06 0009
   Coding: 3E0000

   Right Headlamp Power Output Stage:
   Subsystem 2 - Part No SW: 1T0 941 329 B    HW: 1T0 941 329 B  Labels: 3D0-941-329.CLB
   Component: LeiMo rechts  H06 0009
   Coding: 3E0000

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr.
Cannot be reached

-------------------------------------------------------------------------------
Address 69: Trailer (J345)       Labels:| 5Q0-907-383.clb
   Part No SW: 5Q0 907 383 J    HW: 5Q0 907 383 B
   Component: Anhaenger     H21 0204 
   Revision: 8C001003    Serial number: 0409994950
   Coding: 0100000000000000
   Shop #: WSC 12345 123 12345
   ASAM Dataset: EV_TrailFunctGener2Hella 001008
   ROD: EV_TrailFunctGener2Hella_VW26.rod
   VCID: 3E253DF670F006BBFD3-806A

2 Faults Found:
656138 - Bulb for Right Tail Light on Trailer
          C10F4 15 [008] - Open or Short to Plus
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 3
                    Fault Frequency: 15
                    Reset counter: 6
                    Mileage: 145450 km
                    Date: 2022.11.19
                    Time: 15:18:14

656394 - Bulb for Left Tail Light on Trailer
          C10F5 15 [008] - Open or Short to Plus
          Intermittent - Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 3
                    Fault Frequency: 15
                    Reset counter: 6
                    Mileage: 145450 km
                    Date: 2022.11.19
                    Time: 15:18:13


-------------------------------------------------------------------------------
Address A5: Frt Sens. Drv. Assist (R242)       Labels:| 5Q0-980-653.clb
   Part No SW: 5Q0 980 653 F    HW: 5Q0 980 653
   Component: MQB_MFK       H06 0052 
   Serial number: 10000106201   
   Coding: 0100010001030303000300000000010101
   Shop #: WSC 73430 790 00161
   ASAM Dataset: EV_MFKBoschAU370 001001
   ROD: EV_MFKBoschAU370.rod
   VCID: 3B2334E263E21393DAD-806E

1 Fault Found:
7536641 - Databus
          U1121 00 [009] - Missing Message
          [MAINUNIT_01_TO_FAILURE]
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Status: 00000001
                    Fault Priority: 6
                    Fault Frequency: 52
                    Reset counter: 238
                    Mileage: 146286 km
                    Date: 2022.12.13
                    Time: 11:21:00

                    Control Module temperature: 13 °C
                    Outside temperature: 4.0 °C
                    Vehicle speed: 0.00 km/h
                    Voltage terminal 15: 13.8 V
                    Terminal 15 on: 11.7 s


-------------------------------------------------------------------------------
Address A9: Struct. Borne Sound (J869)       Labels: 4H0-907-159.clb
   Part No SW: 5E0 907 159     HW: 4H0 907 159 A
   Component: SAS-GEN 2     H06 0001 
   Serial number: 140620201151
   ASAM Dataset: EV_SoundActuaGen2AU64X 003010
   ROD: EV_SoundActuaGen2AU64X.rod
   VCID: 698FBEAA59FE5103781-803C

No fault code found.

End----------(Elapsed Time: 01:45, VBatt start/end: 12.3V/12.1V)-----------
 
   #2  

Uwe

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Has that module got power? Have you checked the relevant fuses?

-Uwe-
 
   #3  

jordy_wd

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Hi Ewe,

Yes I’ve checked and double checked all fuses today and still got the same result. I’ve checked and I can’t see any separate fuses for the multimedia system etc. I’m at a complete loss.

My battery seems okay, though it is the original one and is 8 years old.
 
   #4  

Uwe

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2KAF6PG.jpg


Yes I’ve checked and double checked all fuses today and still got the same result. I’ve checked and I can’t see any separate fuses for the multimedia system etc. I’m at a complete loss.
Pull the module, check for power at the module?

You should probably pull a wiring diagram for this specific car.

-Uwe-
 
   #5  

jordy_wd

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Apologies! Love the meme :p

Will check for power at the module.
 
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   #7  

jordy_wd

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Okay so I've replaced both the head unit and the unit in the glovebox with no change.

I'm starting to this it may be an issue with the battery? It is over 8 years old and shows a 50% state of charge on the display. Using VCDS I could see "usable battery charge" was down at 16Ah. Could this cause communication issues with modules?
 
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Uwe

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I'm starting to this it may be an issue with the battery? It is over 8 years old and shows a 50% state of charge on the display. Using VCDS I could see "usable battery charge" was down at 16Ah. Could this cause communication issues with modules?
I really don't think so.

-Uwe-
 
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jordy_wd

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So I've tried another 5F module and the results are still the same. I'm now thinking it's possibly an ignition issue. Have briefly searched on here re ignition switches and S-contacts but will make a coffee and get properly researching tonight.
 
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PetrolDave

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I'm now thinking it's possibly an ignition issue. Have briefly searched on here re ignition switches and S-contacts but will make a coffee and get properly researching tonight.
AFAIK the 5F won't have an ignition feed only a permanent feed and it's turned on/off using messages on the Infotainment CAN bus?
 
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jordy_wd

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Okay thanks for that. Would you have a suggestion of what to try next? I’m thinking of a replacement CAN gateway?
 
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jordy_wd

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Okay I have finally solved the issue. It was down to the following. See if you can see the issue:



The quad lock connector has broken and the grey connector has backed out. After some contact adhesive it is now fully functioning again. I have no idea how this has happened at all and why so suddenly. I haven’t been in and around the glovebox area in well over a year!

Anyway I’m glad this is resolved and thanks to all who tried to help. I will get a replacement quadlock connector ordered for a permanent solution. Part number is 8X0 035 444.
 
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jordy_wd

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Okay so I may have spoken too soon. The above seems to be what I’ve done when poking about trying to solve this issue. The real issue was with the reversing camera. I disconnected the communication wire between the rear camera and the MMI unit and it solved everything. Wire shown below:



This was a retrofit I did about 2 years ago and it’s worked flawlessly since.

Connecting the wire up makes the 5F module unreachable when doing a scan, and unplugging it makes the module reachable again and everything works.

I think the rear view camera might be dead now and it’s causing all sorts of havoc with the MMI. Will order a replacement rear camera unit and update.
 
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   #14  

jordy_wd

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Just a quick update. It was the reverse camera unit itself that had failed and was causing the module to not be reachable :facepalm: New camera fitted and all is well again.
 
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