2016 500e Dead HV Battery

Reading faults for: Electric Vehicle Control Unit (EVCU)
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Faults reported:
2023/05/22 22:22:02.551
Faults found.
B23B0
P167B
Error code: B23B0
BPCM Fault

Last test completed unsuccessfully
Error present
Failure warning lamp 'ON': Not requested
Error counter: 40
Test Failed: Yes
Test Failed This Monitoring Cycle: Yes
Pending DTC
Confirmed DTC
Test Not Completed This Monitoring Cycle: No
Warning Indicator Requested: No
Environment at first detection:
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Operating time: 498644 min
Time since Key-On: 0 sec
Startups counter: 1
APM Status: Off
Direct Battery Sense Voltage: 11.47 V
Commanded 12V Setpoint Voltage: 14.20 V
Intelligent Battery Sensor: Measured Voltage: 29493.00 mA
Intelligent Battery Sensor: Temperature: 18 Deg.C
Intelligent Battery Sensor: Error in NVM Data: 100 %
Hybrid System State: Initialize Shutdown
Ignition Status: Run
Propulsion Ready Status: Not set
PRND Status: No selection active
Park Pawl Position Sensor Counts: 0
Distance Traveled with Light ON: 90305 km
Estimated Range: 255 km
High Voltage Battery State of Charge: 50.20 %
Ambient Air Temperature: 18 Deg.C
Motor Temperature: 19 Deg.C
Inverter Temp: 18 Deg.C
Maximum Battery Cell Temperature: 25 Deg.C
Minimum Battery Cell Temperature: 25 Deg.C
Maximum Battery Cell Voltage: 0.00 V
Minimum Battery Cell Voltage: 0.00 V
Charging System Status: Wait For Charge Ready
Secure Connection: Unplugged
Contactor Closed: Off
Battery Contactor Commanded PWM: 69.80 %
High Voltage Battery Pack Voltage: 0 V
High Voltage Battery Current: 511.50 A
Motor Torque Command: 0 Nm
Motor Torque Actual: 0 Nm
Driver Intended total brake torque: 0.00 Nm
Motor Speed: 0 rpm
Vehicle speed: 0.00 km/h
Accelerator pedal sensor 1: 1.01 V
Accelerator pedal sensor 2: 0.50 V
Brake Status: Not pressed
Actual Inverter State: Precharge
Commanded Inverter State: Standby
Environment at last detection:
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Operating time: 498644 min
Time since Key-On: 0 sec
Startups counter: 1
APM Status: Off
Direct Battery Sense Voltage: 11.47 V
Commanded 12V Setpoint Voltage: 14.20 V
Intelligent Battery Sensor: Measured Voltage: 29493.00 mA
Intelligent Battery Sensor: Temperature: 18 Deg.C
Intelligent Battery Sensor: Error in NVM Data: 100 %
Hybrid System State: Initialize Shutdown
Ignition Status: Run
Propulsion Ready Status: Not set
PRND Status: No selection active
Park Pawl Position Sensor Counts: 0
Distance Traveled with Light ON: 90305 km
Estimated Range: 255 km
High Voltage Battery State of Charge: 50.20 %
Ambient Air Temperature: 18 Deg.C
Motor Temperature: 19 Deg.C
Inverter Temp: 18 Deg.C
Maximum Battery Cell Temperature: 25 Deg.C
Minimum Battery Cell Temperature: 25 Deg.C
Maximum Battery Cell Voltage: 0.00 V
Minimum Battery Cell Voltage: 0.00 V
Charging System Status: Wait For Charge Ready
Secure Connection: Unplugged
Contactor Closed: Off
Battery Contactor Commanded PWM: 69.80 %
High Voltage Battery Pack Voltage: 0 V
High Voltage Battery Current: 511.50 A
Motor Torque Command: 0 Nm
Motor Torque Actual: 0 Nm
Driver Intended total brake torque: 0.00 Nm
Motor Speed: 0 rpm
Vehicle speed: 0.00 km/h
Accelerator pedal sensor 1: 1.01 V
Accelerator pedal sensor 2: 0.50 V
Brake Status: Not pressed
Actual Inverter State: Precharge
Commanded Inverter State: Standby
Error code: P167B
Controlled System Shutdown

Last test completed unsuccessfully
Error present
Failure warning lamp 'ON': Requested
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'Clear fault codes' command sent
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Reading faults for: Electric Vehicle Control Unit (EVCU)
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Faults reported:
2023/05/22 22:22:49.950
No faults reported by the unit.
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Reading faults for: Electric Vehicle Control Unit (EVCU)
___
Faults reported:
2023/05/22 22:23:57.572
Faults found.
B23B0
P167B
Error code: B23B0
BPCM Fault

Last test completed unsuccessfully
Error present
Failure warning lamp 'ON': Not requested
___
'Clear fault codes' command sent
___
Reading faults for: Electric Vehicle Control Unit (EVCU)
___
Faults reported:
2023/05/22 22:24:08.110
No faults reported by the unit.
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Reading faults for: Electric Vehicle Control Unit (EVCU)
___
Faults reported:
2023/05/22 22:25:05.492
Faults found.
B23B0
P167B
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'Clear fault codes' command sent
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Reading faults for: Electric Vehicle Control Unit (EVCU)
___
Faults reported:
2023/05/22 22:25:15.082

Looks like your starter battery might be getting low: "Direct Battery Sense Voltage: 11.47 V"

& it looks like your HV pack is dead: "Power Up SOC at time of Fault: 0.00 %"

& there was no missing digit on the SUPER-low average mV:
"Maximum Battery Cell Voltage: 3680 mV
Minimum Battery Cell Voltage: 3157 mV
Average Battery Cell Voltage: 798 mV"

Obviously it's impossible for the minimum to be higher than the average, so one of those numbers isn't current. Please try to connect to the BPCM like this:

& then check the app's actual readout, scrolling down until you see this, minus the red box I added:

In case you do have to open the HV pack to recharge the cells, I'm trying to figure out how to determine why the car died in the first place.

It's possible it was simply parked unplugged for too long (click here), in which case it should "only" need individual cell recharging. Or maybe after that you "just" need to install a used OnBoard Charger if the old one was fried by nearby lightning, or the Body Computer you already replaced was blown by the original owner losing both OEM keys & using a non-transponder copy*.

However, if it was the BPCM, it's repairable, but it's inside the pack, so it would really suck to have to take it apart again. You seem to have the same persistent code B23B0 as the well-detailed @fiatatat BPCM failure thread (click here).

I copy/pasted your first log above into a .txt file (attached below) & searched it for the other @fiatatat codes P0ABB, P1A21, & P0AA2, and they don't appear to be present, but that may not mean it's not a bad BPCM.

* Excellent key details by @ga2500ev if you click here & wait for it to go to post #8.

AlfaOBD auto-saves the logs, so have you tried opening the BPCM log on a computer?

If your app is on a phone or tablet, plug it into the computer's USB, & the files show if you follow this "map":