Resolved 2021 VW California DTC: 73217 - Energy Management Parallel Warning Triggered

Resolved
   #1  

MarkMoffat

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Hi All,

My first post in the forum, although it has been a big help to me over the years.

I have a fault with my 2021 VW California. I let the battery system go completely flat (doh) while it was standing unused on the driveway for several weeks. The starter battery was toast after that, and I had a whole load of low voltage trouble codes to clear once I changed it. This was no problem thanks to VCDS, I even managed to clear the parking heater interlock. However, one fault keeps coming back immediately when I try to clear it - 73217 - Energy Management Parallel Warning Triggered.

Does anyone know what this is? I am wondering if it is something to do with the split charge system. I am also wondering if it is a symptom of the low battery, or maybe it caused the batteries to fully discharge in the first place. I have left the van for that length of time before without any problem. Searches of the internet and this forum have not shed any light.

Thanks in advance for any help.

Here is the full scan output

Code:
Thursday,04,April,2024,18:30:57:01844
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 23.11.0.0 (x64)  HEX-V2 CB: 0.4643.4
Data version: 20231027 DS351.0
www.Ross-Tech.com


VIN: WV2ZZZ7HZMH131770   License Plate:
Mileage: 13937km-8660mi   Repair Order:



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 7H-VN46 (3Q0)
Scan: 01 02 03 08 09 10 13 15 17 18 19 3C 3D 44 55 5F 65 75 D6 D7
          800B

VIN: WV2ZZZ7HZMH131770   Mileage: 13937km-8660miles

01-Engine -- Status: OK 0000
02-Auto Trans -- Status: OK 0000
03-ABS Brakes -- Status: OK 0000
08-Auto HVAC -- Status: OK 0000
09-Cent. Elect. -- Status: OK 0000
10-Park/Steer Assist -- Status: OK 0000
13-Auto Dist. Reg -- Status: OK 0000
15-Airbags -- Status: OK 0000
17-Instruments -- Status: OK 0000
18-Aux. Heat -- Status: OK 0000
19-CAN Gateway -- Status: OK 0000
3C-Lane Change -- Status: OK 0000
3D-Special Function -- Status: Malfunction 0010
44-Steering Assist -- Status: OK 0000
55-Headlight Range -- Status: OK 0000
5F-Information Electr. -- Status: OK 0000
65-Tire Pressure -- Status: OK 0000
75-Telematics -- Status: OK 0000
D6-Light Ctrl Left 2 -- Status: OK 0000
D7-Light Ctrl Right 2 -- Status: OK 0000
800B-Aux air heater 2 -- Status: OK 0000
-------------------------------------------------------------------------------
Address 01: Engine (J623-DMZA)       Labels:. 05L-907-309-V1.clb
   Part No SW: 05L 906 023     HW: 05L 907 309 F
   Component: R4 2.0l BTD   H80 1160 
   Revision: N1H80---    CVN: FACD043BF3218A0EA3C795CF64CF85E9A3C795CF43FB2DAA
   Coding: 0025003C0364050800000000000000000000000000000000
   Shop #: WSC 00012 790 00049
   ASAM Dataset: EV_ECM20BTD01105L906023 006005
   ROD: EV_ECM20BTD01105L906023.rod
   VCID: 6596478605E1B562BC5-8030
   VINID: 9E60AAAAA1D8A9D6010C11C700351EDB7B

No fault code found.
Readiness: 1110 1011

-------------------------------------------------------------------------------
Address 02: Auto Trans (J743)       Labels:. 0BH-927-711.clb
   Part No SW: 0DV 300 046 B    HW: 0GC 927 711 H
   Component: GSG DQ500     H06 3702 
   Revision: 00H06V13    CVN: 5EB78E29
   Coding: 0014
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_TCMDQ500021 001001
   ROD: EV_TCMDQ500021.rod
   VCID: 392EDBF6D9D9E18228D-806C

No fault code found.

-------------------------------------------------------------------------------
Address 03: ABS Brakes (J104)       Labels: Redir Fail!
   Part No SW: 7LA 614 517 B    HW: 7LA 614 517
   Component: ESC_high      H01 0800 
   Serial number: 08512986210607
   Coding: 10552752C84AEE86085BE4AB13667766392724B8
   Shop #: WSC 00012 790 00049
   ASAM Dataset: EV_Brake1ESP90iBOSCHVN46X 003012
   ROD: EV_Brake1ESP90iBOSCHVN46X_003.rod
   VCID: 3E24C8EAC0F7C6BA1DF-806A

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC (J255)       Labels:* Redir Fail!
   Part No SW: 7LA 907 040 G    HW: 7LA 907 040 G
   Component: Climatronic   H01 0602 
   Coding: 9031100008102300010009005040010500000000000A1501A04000000000
   Shop #: WSC 00012 790 00049
   ASAM Dataset: EV_AirCondiBHTCVN54XT6PA 001002
   ROD: EV_AirCondiBHTCVN54XT6PA.rod
   VCID: 3FDAB5EEC7FDCFB2169-806A

   Rear A/C Control Head 1:
   Subsystem 1 - Part No SW: 7LA 906 453 A    HW: 7LA 906 453 A
   Component: E857  H01 0206
   Serial number: 00002140521120343101

   Rear air conditioning block 1:
   Subsystem 2 - Part No SW: 7LA 907 049 F    HW: 7LA 907 049 F
   Component: E857  H02 0301
   Serial number: 00001069311311220812
   Coding: 000000

No fault code found.

-------------------------------------------------------------------------------
Address 09: Cent. Elect. (J519)       Labels:. 5Q0-937-08X-V2.clb
   Part No SW: 2Q5 937 090 A    HW: 2Q5 937 090 A
   Component: BCM T6PA Std+ H11 0943 
   Serial number: 01102115800153 Dataset Number: V03935338JL 0001
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_BCMA0 206001
   ROD: EV_BCMA0_206_VW27.rod
   VCID: 3536D7C6F5C105E2CC5-8060

   Rain/Light Recognition Sensor:
   Subsystem 1 - Part No SW: 5Q0 955 559 C    HW: 5Q0 955 559 C  Labels: 5Q0-955-547.CLB
   Component: RLS  054 0206
   Serial number: S5Y21M05D31H07M28S34
   Coding: 0018EE

   Driver door control module:
   Subsystem 2 - Part No SW: 7L1 959 405 B    HW: 7L1 959 163 B
   Component: FHSG_DRV  001 0002
   Serial number: 00000000000051441017
   Coding: 1F0007

   Front passenger door control module:
   Subsystem 3 - Part No SW: 7L1 959 406 B    HW: 7L1 959 164 B
   Component: FHSG_PSG  001 0002
   Serial number: 00000000000049145068
   Coding: 050007

   Anti-theft alarm system sensor:
   Subsystem 4 - Part No SW: 5Q0 951 172     HW: 5Q0 951 172
   Component: Sensor, DWA  005 0316
   Serial number: 000000000ZY211001E0V

   Alarm horn:
   Subsystem 5 - Part No SW: 5Q0 951 605 A    HW: 5Q0 951 605 A
   Component: Sirene, DWA  005 0314
   Serial number: 00000000000049615541

No fault code found.

-------------------------------------------------------------------------------
Address 10: Park/Steer Assist (J791)       Labels:| 5Q0-919-298.clb
   Part No SW: 5QA 919 298 K    HW: 5QA 919 298 A
   Component: PLA 3.0 12K   H08 0073 
   Serial number: 000150057321148 Dataset Number: V03935331VA 0001
   Coding: 8371165851
   Shop #: WSC 00012 790 00049
   ASAM Dataset: EV_EPHVA2CAU3700000 009055
   ROD: EV_EPHVA2CAU3700000_010_AU37.rod
   VCID: 58E87E724293188A373-800C

No fault code found.

-------------------------------------------------------------------------------
Address 13: Auto Dist. Reg (J428)       Labels:| 2Q0-907-572.clb
   Part No SW: 2Q0 907 572 R    HW: 2Q0 907 572 B
   Component: ACCCONTIMQB   H03 0372 
   Dataset Number: V03935335RG 0001
   Coding: 3204670349FF8748949C815580508700000000000000000004
   Shop #: WSC 00012 790 00024
   ASAM Dataset: EV_ACCMRRCONTIVW376 003016
   ROD: EV_ACCMRRCONTIVW376_003.rod
   VCID: 43D2B91EAB15AB52721-8016

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
   Part No SW: 2Q0 959 655 AE    HW: 2Q0 959 655 AE
   Component: VW22Airbag    016 0506 
   Revision: --------    Dataset Number: V03935330EJ 0001
   Coding: 88CCC00000000000800000CF008C40000065
   Shop #: WSC 00012 790 00049
   ASAM Dataset: EV_AirbaVW22BPAVW27X 001022
   ROD: EV_AirbaVW22BPAVW27X.rod
   VCID: 00587612FA83704A2F3-8054

   Crash sensor for side airbag: driver side:
   Subsystem 1 - Part No SW: -----------    HW: 442 062 205 21
   Component: SideSensor_Df  1E2 0887
   Serial number: 3577Y50A903F7E222084
   Coding: 2D2D2D

   Front Passenger's Side Airbag Crash Sensor:
   Subsystem 2 - Part No SW: -----------    HW: 442 062 205 21
   Component: SideSensor_Pf  1E2 0887
   Serial number: 3587Y50A903F7E2232EE
   Coding: 2D2D2D

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments (J285)       Labels:| 7LA-920-XXX-V1.clb-SRI3
   Part No SW: 7LA 920 320 A    HW: 7LA 920 320 A
   Component: KOMBI         502 5175 
   Coding: 24A40088248826000188624D1001000080601E02
   Shop #: WSC 00012 790 00024
   ASAM Dataset: EV_DashBoardVDDMQBA0 001044
   ROD: EV_DashBoardVDDMQBA0_001_VW27.rod
   VCID: 3536D7C6F5C105E2CC5-8060

No fault code found.

-------------------------------------------------------------------------------
Address 18: Aux. Heat (J364)       Labels:* Redir Fail!
   Part No SW: 5WA 963 271 C    HW: 5WA 963 271 C
   Component: STH-VW37x     006 0012 
   Serial number: 000000000000119
   Coding: 3143221854121512DCE519
   Shop #: WSC 00000 000 00000
   ASAM Dataset: EV_AuxilHeateWOSVW38X 002009
   ROD: EV_AuxilHeateWOSVW38X_002.rod
   VCID: 4CC09222864B642A83B-8018

No fault code found.

-------------------------------------------------------------------------------
Address 19: CAN Gateway (J533)       Labels:| 3Q0-907-530-V1.clb
   Part No SW: 3Q0 907 530 AG    HW: 3Q0 907 530 C
   Component: GW MQB High   443 4424 
   Revision: --------    Serial number: 0001753562 Dataset Number: V03935338TK 0001
   Coding: 030100544F05730401100258100F00010001070000000000000000000000
   Shop #: WSC 00012 790 00024
   GVL: 014C3C0000100000404090008004C80000000000100000000000000000000000
   ASAM Dataset: EV_GatewNF 013026
   ROD: EV_GatewNF_VW27.rod
   VCID: 74B02AC2BE3B5CEA3BB-8020

   Generator:
   Component: 5-00-11-00-04 

   Multifunction steering wheel control module:
   Subsystem 2 - Part No SW: 3G0 959 442 N    HW: 3G0 959 442 N  Labels: 3C8-959-537.CLB
   Component: E221__MFL-PR6  H07 0110
   Serial number: PR6-0440036154210421
   Coding: 2C0D00

   Battery Monitoring Control Module:
   Subsystem 3 - Part No SW: 7E0 915 181 L    HW: 7E0 915 181 L
   Component: J367-BDMConti  H03 1051
   Serial number: 771972000021050504C0

No fault code found.

-------------------------------------------------------------------------------
Address 3C: Lane Change (J1086)       Labels:* None
   Part No SW: 2Q0 907 686 B    HW: 2Q0 907 686 B
   Component: HRE3_Kl15_Mst H06 0150 
   Serial number: 14520009459974  Dataset Number: V03935303MB 0001
   Coding: 92954640
   ASAM Dataset: EV_HREntryHellaGen3Kl15 002001
   ROD: EV_HREntryHellaGen3Kl15.rod
   VCID: 392EDBF6D9D9E18228D-806C

   Lane change assistance control module 2:
   Subsystem 1 - Part No SW: 2Q0 907 685 B    HW: 2Q0 907 685 B
   Component: HRE3_Kl15_Slv  H06 0150
   Serial number: 14520009302270     

No fault code found.

-------------------------------------------------------------------------------
Address 3D: Special Function (J608)       Labels:* Redir Fail!
   Part No SW: 2N0 907 427 R    HW: 2N0 907 427 H
   Component: KFG       H24 0408 
   Serial number: GB24212220474 Dataset Number: V03935349WS 0001
   Coding: 04002000000000200200000860B8135EB8000000
   Shop #: WSC 00012 790 00049
   ASAM Dataset: EV_SpeciFunctFlextVN54X 008036
   ROD: EV_SpeciFunctFlextVN54X.rod
   VCID: 3FDAB5EEC7FDCFB2169-806A

   Subsystem 5 - Part No SW: 7C0 907 155     HW: 7C0 907 155
   Component: U13DCAC  H05 0870
   Serial number: A078385             

   Subsystem 6 - Part No SW: 7E0 915 181 M    HW: 7E0 915 181 M
   Component: J367-BDMConti  H03 1051
   Serial number: 77194501002105120063

1 Fault Found:
73217 - Energy Management Parallel Warning Triggered
          B1A50 00 [00001001] - -
          Confirmed - Tested Since Memory Clear
             Freeze Frame:
                    Fault Priority: 4
                    Fault Frequency: 1
                    Reset counter: 185
                    Mileage: 13937 km
                    Date: 2024.04.04
                    Time: 18:19:19


-------------------------------------------------------------------------------
Address 44: Steering Assist (J500)       Labels:| 2N0-909-143.clb
   Part No SW: 7LA 909 144 G    HW: 7LA 909 144 D
   Component: EPS_MQB_ZFLS  751 7160 
   Dataset Number: V03935340DA 0001
   Coding: 0306
   Shop #: WSC 00012 790 00024
   ASAM Dataset: EV_SteerAssisMNB 002015
   ROD: EV_SteerAssisMNB.rod
   VCID: 46D4A00A98279E7A55F-8012

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range (J745)       Labels:| 7P6-907-357.clb
   Part No SW: 7P6 907 357 E    HW: 7P6 907 357 A
   Component: AFS-ECU       H07 0080 
   Revision: --------    Serial number: -------------- Dataset Number: V03935338PG 0001
   Coding: 0C8E020009210003
   Shop #: WSC 00012 790 00024
   ASAM Dataset: EV_HeadlRegulAFSMQBMAX 001001
   ROD: EV_HeadlRegulAFSMQBMAX_VN46.rod
   VCID: 41DEB316B109B94260D-8014

No fault code found.

-------------------------------------------------------------------------------
Address 5F: Information Electr. (J794)       Labels:| 3G5-035-MIB-HGH3.clb
   Part No SW: 3G5 035 816 D    HW: 3G5 035 816
   Component: MU-O-ND-EU    H57 0809 
   Serial number: WG8LGM140621000 Dataset Number: V03935346KS 0001
   Coding: 64600008000020000000000000000000000000000000000000
   ASAM Dataset: EV_MUOIMQB 001002
   ROD: EV_MUOIMQB_VW49.rod
   VCID: 2A0CF4BA2C7F5A1A517-807E

   Display and control head 1 for information electronics:
   Subsystem 1 - Part No SW: 5G6 919 606 B    HW: 5G6 919 606 B
   Component: ABT_High-2     H61 9216
   Serial number: VWZ6ZJY1481092     

   Data carrier:
   Subsystem 2 - Part No SW: V03 959 809 CP    HW: -----------
   Component: EU 2021        --- 4031
   Serial number: --------------------

No fault code found.

-------------------------------------------------------------------------------
Address 65: Tire Pressure (J502)       Labels: 3AA-907-273.clb
   Part No SW: 5Q0 907 273 D    HW: 5Q0 907 273
   Component: RDKBERU30     H06 0010 
   Serial number: 30000000556223 Dataset Number: V03935349DE 0001
   ASAM Dataset: EV_RDKBERU30 006001
   ROD: EV_RDKBERU30_VW41.rod
   VCID: 3634D0CAE8C70EFAC5F-8062

No fault code found.

-------------------------------------------------------------------------------
Address 75: Telematics (J949)       Labels:* None
   Part No SW: 5WA 035 284 E    HW: 5WA 035 284 B
   Component: OCUGen3High   H20 0141 
   Serial number: 0000000105VIRG9 Dataset Number: V03935344UB 0001
   Coding: 06462000196898209005460160502607
   ASAM Dataset: EV_OCUGen3High 003007
   ROD: EV_OCUGen3High_003_VW41.rod
   VCID: 48C8AE329233880AA73-801C

No fault code found.

-------------------------------------------------------------------------------
Address D6: Light Ctrl Left 2 (A31)       Labels: 7PP-941-572.clb
   Part No SW: 992 941 571 AE    HW: 992 941 571 A
   Component: LED1L         H08 9202 
   ASAM Dataset: EV_LLPGen3LKEBODPO68X 001003
   ROD: EV_LLPGen3LKEBODPO68X_001_VW27.rod
   VCID: 6596478605E1B562BC5-8030

No fault code found.

-------------------------------------------------------------------------------
Address D7: Light Ctrl Right 2 (A27)       Labels: 7PP-941-572.clb
   Part No SW: 992 941 571 AE    HW: 992 941 571 A
   Component: LED1R         H08 9202 
   ASAM Dataset: EV_LLPGen3RKEBODPO68X 001003
   ROD: EV_LLPGen3LKEBODPO68X_001_VW27.rod
   VCID: 6596478605E1B562BC5-8030

No fault code found.

-------------------------------------------------------------------------------
Address 800B: Aux air heater 2 (J604)       Labels:* None
   Part No SW: 7C0 963 273 C    HW: 7C0 963 273 C
   Component: LSH_DIESEL    008 0026 
   Dataset Number: 0026        0026
   Coding: 3200
   Shop #: WSC 00012 790 00024
   ASAM Dataset: EV_LSHECCSMNB 002018
   ROD: EV_LSHECCSMNB.rod
   VCID: 2B02F1BE23854312AA1-807E

   Auxiliary heating remote control:
   Subsystem 1 - Part No SW: 3Q0 963 513 A    HW: 3Q0 963 513 A
   Component: R64 D208L  004 0402
   Serial number: 00000000000001271905

No fault code found.

End----(Elapsed Time: 01:36, VBatt start/end: 12.0V/12.0V. VIgn 12.0V)-----
 
   #2  

PetrolDave

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Have you checked the condition of the secondary (leisure) battery?
 
   #3  

MarkMoffat

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Hi, it seems to be ok, I recharged the leisure batteries using the electrical hook up and they are holding charge. There are two leisure batteries, I wonder if they are subsystems 5 and 6 as shown in the Special Function module at fault? I have read that there is a fuse for the second leisure battery that can fail.
 
   #5  

MarkMoffat

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Checked the fuses and all ok. Both leisure batteries are showing the same voltage, 12.4V dropping to 12.3V if I turn the fridge on.
 
   #6  

Larry Manton

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1 Fault Found:
73217 - Energy Management Parallel Warning Triggered
B1A50 00 [00001001] - -
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Priority: 4
Fault Frequency: 1
Reset counter: 185
Mileage: 13937 km
Date: 2024.04.04

Not knowing this total system, but in a trailer tow, connected to a vehicle, there is a diode that allows charging while running, but does not allow the trailer to drain the tow vehicle. Little different here, but possible it sees an issue with the two systems.
 
   #7  

MarkMoffat

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I spent €8.40 to access ErWin - looks like this code can be ignored?

Technical product informationTransaction No.: 2069744/1
Service info: event entry B1A5000 energy management parallel warning triggeredRelease date: 20-Mar-2023
Customer statement / workshop findings
Workshop findings:
In the control unit for special functions J608 the event entry “B1A5000 energy management parallel warning triggered” is logged​
Technical background
Only relevant for communication of CAN participants. From SW 0503 the event entry is no longer saved.​
Production change
Week 16/23 from SW 0503​
Measure
The event entry can be ignored.​
 
   #8  

MarkMoffat

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Final post, I have cleared the fault, so just reporting back for the next guy/gal :)

I disconnected the rear leisure battery under the wardrobe so that I could stick a battery tester on it. This also removed the 12V supply to the shunt/battery monitor on the ground terminal. I fired up VCDS to see if removing the battery made any difference to the reported battery capacity (it didn't). A couple of new DTCs appeared because the CAN bus was not able to communicate with the battery monitor. Once I reconnected the battery and cleared the DTCs the original DTC has gone and is not coming back like it did before. Maybe just needed a hard reset on the battery load monitor?
 
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