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ASG (0x17332501) ────> FSG (Battery Control Unit)
                 <──── FSG (0x17332510)

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0x0D - Resets the charger
0x0E - << Unknown >>
0x10 - BatteryControlPlug
0x11 - BatteryControlChargeState
0x12 - BatteryControlClimateState
0x1B - BatteryControlPastErrorReason
0x1C - BatteryControlPlugDisplayState
0x26 - BatteryControlChargeModeSelection
0x27 - BatteryControlProfileExtended	(Array)
0x28 - BatteryControlTimerExtended		(Array)
0x29 - BatteryControlChargeTargetTime
0x2A - BatteryControlProfileState
0x2B	- BatteryControlImmediately2
0x2D	- BatteryControlChargingSockets
0x2E - BatteryControlChargeState2
0x2F - BatteryControlHighLevelCommunication
0x30 - BatteryControlContractList
0x31 - BatteryControlAutoUnlock
0x34 - BatteryControlChargeRate
0x35 - << Unknown >>

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Consists of two nibbles:
Nibble 0 - State
Nibble 1 - Color
Enum Values:
0	State Off
1	State On
2	State Blink
3	State Pulse
4	State Flash

0	Color None
1	Color Green
2	Color Yellow
3	Color Red
4	Color White
5	Color Blue

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Normally in the format 0X 00 
Nibble consisting of selecting charge mode timers
0	Timer
1	Immediately
2	Conservation
3	Energy Cost Optimized
4	Energy Mix Optimized
5	Location Based

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Likely a time message, but it seems to start at 00 and just start counting as a duration counter.
Byte 0 	Year + 2000
Byte 1	Month
Byte 2	Day
Byte 3	Hour
Byte 4	Minute
Byte 5	Offset?

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Normally in the format 0X 00 00
Can be changed to correspond to the number of timers configured
Other bytes should relate to Smart Charge State, and Private Current mode?
0	Smart Charging State - Unknown
1	Smart Charging State - Not Available
2	Smart Charging State - Available
3	Smart Charging State - Error
15	Smart Charging State - Init

0	Private Current - Optimization Not Available
1	Private Current - Optimization Available
2	Private Current - Error
15	Private Current - Init
 

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Controls some base charging
You can terminate the charge from this message, but it'll re-enable itself unless you remove the charge request signal
Consists of the LSB nibble
Bit#
4 	Control	
3	Activation	
2 	Climating	
1 	Charging

If you send bit 1 and 4 (such as 0F or 09) it'll stop the charge cycle.		

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Consists of enum nibbles:
Nibble 0	Plug Connection State
Nibble 1	Plug Lock State
Nibble 2	Flap Open State
Nibble 3	Flap Closed State
Nibble 4	Error State
Nibble 5	Plug Overruled

0	No Plug
1	Plug A
2	Plug B
3	Plug A & B
15	Init

0	No Flap
1	Flap A
2	Flap B
3	Flap A & B
15	Init

0	No Error
1	Inlet A
2	Inlet B
3	Inlet A & B
15	Init

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B0–B1   technicalChargeLevel      u16 LE   (often treated as % * 100)
B2–B3   maxPowerInfrastructure     u16 LE   (hypothesis)
B4–B5   climatisationPower         u16 LE   (hypothesis)
B6–B7   chargeVoltage              u16 LE   (confirmed; e.g. FC 02 = 764 V)
B8      packed nibbles:
          - high nibble: mode
          - low  nibble: chargingPowerReduction
B9–B10  chargingPower              u16 LE   (hypothesis)
B11     chargingHints / flags       u8      (hypothesis; e.g. 0x01 seen as “restricted”)

mode (high nibble of B8): 1=Profile, 2=Holiday, 15=Init
chargingPowerReduction (low nibble of B8): 0=None, 1=Vehicle, 2=Infrastructure

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Allows you to define if the plug unlocks after a charge cycle or not.
defined for AC and DC charging
defined for one time, or permanent (Exclusive OR)
Again based on a LSB nibble:
Bit:
4	ACChargePermanent
3	DCChargePermanent
2	ACChargeOnce
1	DCChargeOnce

Since there is a rule on not allowing selection of permanent and once together; setting either of the values together, the charger will ignore one of the settings.

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This seems most promising, but I think we'll need to send a set kw/km value in order for the calculation to work out.
I only see a change in byte 1, from 0 (~300w) to 1 (~1500w) to 2 (~3500w)

Byte 0 & 1 	Actual Charge Rate
Byte 2 & 3		Average Charge Rate
Byte 4		Charge Rate Calculation
Byte 5		Charge Rate Unit
Byte 6		Average Energy Consumption
Byte 7		Average Energy Consumption Unit

0	km/min
1	km/hour
2	miles/min
3	miles/hour

0	Trip
1	Since Reset
2	Since Last Charge