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Thread: 2015 Passat how to make 8AX radio stay on after shutting vehicle off

  1. #1
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    2015 Passat how to make 8AX radio stay on after shutting vehicle off

    I'm a professional mechanic who's new to VW repair. I'm hoping someone might be able to point me in the right direction.

    I have a customer with a 2015 Passat with the 8AX radio. He says that currently, when shutting the vehicle off, the radio shuts off as soon as the ignition is switched off. He's wondering if there's any way we can reconfigure the radio to stay on until the key is removed from the ignition.

    Because that's how many other vehicles behave these days, I'm wondering if maybe there's a change that could be made to the coding that would achieve this.

    Does anyone else have any experience doing this? If not, does anyone have any tips for me on how to find a breakdown of the coding options for this radio?

    I have a VCDS hex-can, (not registered yet. I know, I know...) and access to a legit copy of ODIS, if that's relevant. I know ODIS will give a breakdown of coding, I'd like to see if this is possible before getting the customer all the way out here.

    Thanks in advance.

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Hi and welcome to our forum.

    Please post an Auto-Scan from the car for context.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  3. #3
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    I understand what you're saying, but I'm hoping to see if this is something that's even possible before asking the customer to come out to the shop.

  4. #4
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    Does 8AX mean RNS510 ? If so, then there's probably a fault somewhere as the radio should stay on until the key is removed from the ignition or if this vehicle has kessy, until the engine is turned off and the driver's door is opened.

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  6. #5
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    My 2014 gti did the same thing and I asked the same question here as well.

    But alas, I did not find anything that would keep the radio on. Yes it is extremely annoying to have to leave the engine running to finish listening to a song or program.

    My 2007 jetta behaves as desired by default (radio stays on until key removed).

    Unfortunately, without an autoscan showing what exact components are installed with their current configuration, its hard to even guess except to say, maybe or maybe not.

    Others may have more experience with different cars, but based on my GTI experience, I would say probably not.


    edit: link https://forums.ross-tech.com/showthr...ed-US-2014-gti

  7. #6
    Verified VCDS User golfi_vend's Avatar
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    As I've delt with many US imports here, I've seen that behaviour on all US cars.

    Our cars don't have this.

    That is why I think this is related to radio and/or country configuration of cluster.
    I am a VW Freak - Le WV Freaks OR Come visit me at my work with ODIS concerns - FORSS ODIS GeKo/FaZit access for VW/AUDI/Škoda
    The world is my oyster...

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  9. #7
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    The customer just swung by for us to take an auto-scan.

    Code:
     Friday,14,December,2018,16:37:28:26548
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 7 x64
    VCDS Version: 18.9.0.2 (x64)
    Data version: 20180927 DS296.0
    www.Ross-Tech.com
    
    
    VIN: 1VWBV7A31FC052639   License Plate: 
    Mileage: 16650km-10345mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: A3-VW41 (7N0)
    Scan: 01 02 03 08 09 15 16 17 19 1C 25 2E 42 44 46 4F 52 56 62 72
              75 77
    
    VIN: 1VWBV7A31FC052639   Mileage: 16650km-10345miles
    
    01-Engine -- Status: OK 0000
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    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
    1C-Position Sensing -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    2E-Media Player 3 -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    4F-Centr. Electr. II -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: Malfunction 0010
    62-Door, Rear Left -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    75-Telematics -- Status: OK 0000
    77-Telephone -- Status: OK 0000
     
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CVCA)       Labels:. 04L-907-309-V1.clb
       Part No SW: 04L 997 016 D    HW: 04L 907 309 K
       Component: R4 2.0l TDI   H20 9466  
       Revision: 8AH20---    
       Coding: 011D0012032410080000
       Shop #: WSC 01404 444 00000
       ASAM Dataset: EV_ECM20TDI01104L997016D 004002
       ROD: EV_ECM20TDI01104L997016D.rod
       VCID: 34673F989F5CDBEA01-8060
    
    No fault code found.
    Readiness: 0 0 0 0 0 
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 02E-927-770.clb
       Part No SW: 02E 300 061 T    HW: 02E 927 770 AL
       Component: GSG DSG AG6     531 4518  
       Revision: 05653104    Serial number: 00001409120624
       Coding: 0000020
       Shop #: WSC 09003 957 00200
       VCID: 2541D2DCEC86B26286-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 1K0-907-379-60EC1F.clb
       Part No SW: 1K0 907 379 BS    HW: 1K0 907 379 BS
       Component: ESP MK60EC1   H46 0166  
       Revision: 00H46001    
       Coding: C54BC0F5492700FCA31103E792220042A1100012
       Shop #: WSC 09003 957 00200
       VCID: 0407AF58877CAB6AF1-8050
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J301)       Labels:| 3C8-907-336.clb
       Part No SW: 561 907 426 E    HW: 561 907 426 E
       Component: AC Manuell    H02 0303  
       Revision: 00001K02    
       Coding: 0010001002
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_ACManuaElectGen2BHTC 001002
       ROD: EV_ACManuaElectGen2BHTC_VW36.rod
       VCID: 1D31FA3C0CD67AA2DE-8048
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 1K0-937-08x-09.clb
       Part No SW: 5K0 937 085 AB    HW: 5K0 937 085 AB
       Component: BCM PQ35 B+   122 0174  
       Revision: BH122001    
       Coding: EF200E1B902B08D4098800010600044800F1A08640801520648060000C70
       Shop #: WSC 09003 957 00200
       VCID: 73E5FC84D2D29CD2D8-8026
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 5K0-959-655.clb
       Part No SW: 5C0 959 655 AA    HW: 5C0 959 655 AA
       Component: AirbagVW10    500 0975  
       Serial number: 003LYD01WWZ%  
       Coding: 00004832
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_AirbaVW10SMEVW360 001030
       ROD: EV_AirbaVW10SMEVW360.rod
       VCID: 71E9F68CA0CEAEC22A-8024
    
       Seat occupied recognition: 
       Subsystem 1 - Part No SW: 5C6 959 339 B    HW: 5C6 959 339 B
       Component: BF-Gewichtss.  H10 0046 
       Serial number: 6940000Y1400019DNR02
       Coding: 303044
    
       Crash sensor for side airbag: driver side: 
       Subsystem 2 - Part No SW: 5K0 959 354     HW: 5K0 959 354 
       Component: S.Sens.Fahr.V  H02 ---- 
       Serial number: 3572MSME72331E49ZZZ-
    
       Crash sensor for side airbag: front passenger side: 
       Subsystem 3 - Part No SW: 5K0 959 354     HW: 5K0 959 354 
       Component: S.Sens.Beif.V  H02 ---- 
       Serial number: 3582MSME16580849ZZZZ
    
       Crash sensor for side airbag: rear: driver side: 
       Subsystem 4 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
       Component: S.Sens.Fahr.H  H02 ---- 
       Serial number: 3516KSME46793232ZZZP
    
       Crash sensor for side airbag: rear: passenger side: 
       Subsystem 5 - Part No SW: 5K0 959 351 A    HW: 5K0 959 351 A
       Component: S.Sens.Beif.H  H02 ---- 
       Serial number: 3526KSME0A6D1032ZZZP
    
       Crash sensor for front airbag: driver side: 
       Subsystem 6 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
       Component: F.Sens.Fahr  H02 ---- 
       Serial number: 3556LSME4A767731ZZZ$
    
       Crash sensor for front airbag: front passenger side: 
       Subsystem 7 - Part No SW: 5K0 959 659 A    HW: 5K0 959 659 A
       Component: F.Sens.Beif  H02 ---- 
       Serial number: 3566LSME2D537731ZZZ-
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:| 5K0-953-569.clb
       Part No SW: 1K5 953 521 BM    HW: 5K0 953 569 AE
       Component: LENKS.MODUL   016 0140  
       Revision: FF010042    Serial number: 20140802100025
       Coding: 088A140000
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_SMLSNGVOLWSXS A01004
       ROD: EV_SMLSNGVOLWS.rod
       VCID: 79F9CEACF8BEE68292-802C
    
       Multifunction steering wheel control module: 
       Subsystem 1 - Part No SW: 3C8 959 537 D    HW: 3C8 959 537 D  Labels: 3C8-959-537.CLB
       Component: E221__MFL-8LP  H07 0023 
       Coding: E20000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5K0-920-XXX-17.clb-SRI1
       Part No SW: 561 920 970 G    HW: 561 920 970 G
       Component: KOMBI         H04 0813  
       Serial number: 00000000000000
       Coding: 231E01
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04723
       ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
       VCID: 1E33FD3001D061BAC7-804A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
       Part No SW: 7N0 907 530 AR    HW: 7N0 907 530 AM
       Component: J533  Gateway H55 1653  
       Revision:   H55       Serial number: 12111403000653
       Coding: 461000
       Shop #: WSC 09003 957 00200
       VCID: 000FA3489364B74AD5-8054
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 1C: Position Sensing
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer (J334)       Labels:| 5K0-920-xxx-25.clb
       Part No SW: 5K0 953 234     HW: 5K0 953 234 
       Component: IMMO          H04 0813  
       Serial number:               
       Coding: 000000
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_Immo_UDS_VDD_RM09 A03710
       ROD: EV_Immo_UDS_VDD_RM09.rod
       VCID: 6ADBE1E08D185D1A6B-803E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:| 3C0-959-70X-GEN4.clb
       Part No SW: 561 959 701     HW: 3C0 959 793 B
       Component: TUER-SG FT    002 0525  
       Revision: 13110009    Serial number: 0009121269
       Coding: 0404B5
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_TSGFPQ25BRFVW46X A04001
       ROD: EV_TSGFPQ25BRFVW46X.rod
       VCID: 5BB5B42452423492E0-800E
    
       Slave Driver: 
       Subsystem 1 - Part No SW: 561 959 811 B    HW: 561 959 811 B  Labels: 1K0-959-70X-GEN4.CLB
       Component: J388__TSG_HL  006 5470 
       Serial number: 14102630141111032540
       Coding: 800000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1K0-909-14x-GEN3.clb
       Part No: 1K0 909 144 R
       Component: EPS_ZFLS Kl. 215    3501  
       Revision: 00H22000    
       Shop #: WSC 01357 011 00200
       VCID: 39790EAC703E2682D2-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 4F: Centr. Electr. II (J520)       Labels:. 1K0-907-532.clb
       Part No SW: 7N0 907 532     HW: 7N0 907 530 AM
       Component: EZE_2         H55 1653  
       Revision:   H55       Serial number: 12111403000653
       Coding: 01030108
       Shop #: WSC 09003 957 00200
       VCID: 6FEDF0F4BEFAB8323C-803A
    
       Subsystem 1 - Part No SW: 561 959 591 A    HW: 561 959 591 A
       Component: J245 P05 9BA3  H08 0005 
       Serial number: 53388786011413701360
       Coding: 181100
    
       Subsystem 2 - Part No SW: 561 919 204 B    HW: 561 919 204 B
       Component: Analoguhr  009 0005 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:| 3C0-959-70X-GEN4.clb
       Part No SW: 561 959 702     HW: 3C0 959 792 B
       Component: TUER-SG BT    002 0525  
       Revision: 15110009    Serial number: 0009061601
       Coding: 0404B4
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_TSGBPQ25BRFVW46X A04001
       ROD: EV_TSGBPQ25BRFVW46X.rod
       VCID: 5CB7B738574C33AAE9-8008
    
       Slave Passenger: 
       Subsystem 1 - Part No SW: 561 959 812 B    HW: 561 959 812 B  Labels: 1K0-959-70X-GEN4.CLB
       Component: J389__TSG_HR  006 5470 
       Serial number: 14102631141124002806
       Coding: 800000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
       Part No SW: 1K0 035 188 F    HW: 1K0 035 188 F
       Component: Radio Prem-8  H07 0009  
       Revision: -----12S    Serial number: VWZ4Z7P3640860
       Coding: 0100044004000B
       Shop #: WSC 09003 957 00200
       VCID: 2B5524E44A62841250-807E
    
    1 Fault Found:
    02635 - Tuner Not Enabled/Activated 
                000 -  - 
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 7
                        Fault Frequency: 2
                        Reset counter: 185
                        Mileage: 13637 km
                        Time Indication: 0
                        Date: 2018.10.16
                        Time: 17:49:12
    
    
    -------------------------------------------------------------------------------
    Address 75: Telematics (J949)       Labels:| 12E-035-284.clb
       Part No SW: 561 035 285     HW: 561 035 285 
       Component: OCULowUSA     014 0102  
       Serial number: 000003554140529
       Coding: 02140102C2163A007F1606C00000
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_OCULow 001010
       ROD: EV_OCULow_001.rod
       VCID: 53A55C043A92FCD238-8006
    
    1 Fault Found:
    2103041 - Control Module 
              B1788 F0 [009] - Start Prohibition Deactivated
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 8
                        Fault Frequency: 1
                        Reset counter: 201
                        Mileage: 16657 km
                        Date: 2018.12.14
                        Time: 04:38:33
    
    
    -------------------------------------------------------------------------------
    Address 77: Telephone (J412)       Labels:| 5N0-035-729.clb
       Part No SW: 5N0 035 729 E    HW: 5N0 035 729 E
       Component: TELEFON       H07 0593  
       Revision: 1B001001    Serial number: 00007666752956
       Coding: 0A10030080010110
       Shop #: WSC 09003 957 00200
       ASAM Dataset: EV_UHVUMI 001007
       ROD: EV_UHVUMI.rod
       VCID: 326B39806548D5DA13-8066
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 02:55)--------------------------
    The reason the customer even thought this might be possible is because he also owns a 2017 Passat, which does do this. (the radio stays on after shutting the ignition off, until the key is removed) He offered to bring by his other vehicle so I can scan it and see if there are any clues about what might be different. His 2017 does have a different radio than the 2015 above though.

    Any advice would be appreciated, even if it's just a link to somewhere else were I can read more.

    TIA.

  10. #8
    Benevolent Dictator Uwe's Avatar
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    I'm not seeing an obvious way to change that radio's behavior; not in the radio itself, nor in the car's BCM.

    If anyone is aware of something I might be missing, please chime in.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  11. #9
    Verified VCDS User golfi_vend's Avatar
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    Perhaps try swapping radios to see if radio is the cause?
    I am a VW Freak - Le WV Freaks OR Come visit me at my work with ODIS concerns - FORSS ODIS GeKo/FaZit access for VW/AUDI/Škoda
    The world is my oyster...

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