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Base ID Configurable (Default H640)
Byte offset Data Data conversion Range
0:1 Value defined in tcu  = Unsigned[msb:lsb]      Value defined in tcu (Standard 0-5000)
2:3 Value defined in tcu  = Unsigned[msb:lsb]    Value defined in tcu (Standard 0-5000)
4:5 Value defined in tcu  = Unsigned[msb:lsb]  Value defined in tcu (Standard 0-5000)
6:7 Value defined in tcu  = Unsigned[msb:lsb]   Value defined in tcu (Standard 0-5000)


Base ID+1 Configurable (Default H641)
Byte offset Data Data conversion Range
0:1 Value defined in tcu  = Unsigned[msb:lsb]      Value defined in tcu (Standard 0-5000)
2:3 Value defined in tcu  = Unsigned[msb:lsb]    Value defined in tcu (Standard 0-5000)
4:5 Value defined in tcu  = Unsigned[msb:lsb]  Value defined in tcu (Standard 0-5000)
6:7 Value defined in tcu  = Unsigned[msb:lsb]   Value defined in tcu (Standard 0-5000)


Base ID+2 Configurable (Deful H642)
Byte offset Data Data type  Ofset Range Resolution
0 Gear  Signed [Byte]  0 For -1 to 8 1Gear/bit
1 Oil Temp.  Unsigned[Byte]  -40  For-40 to 215 1C/bit
2 Program SW. Unsigned[Byte] 0 For 1 to 8 1/bit
3 Error Code. Unsigned[Byte]  0 For 0 to 255 1/bit
4 FLAGS1 Bitfield
5 FLAGS2 Bitfield
6 V. SPEED Unsigned[Byte] 0 For 0 to 510 2 kmh/h / bit 
7


FLAGS1
Bit index Name Description
0 Torque reduction 1 – is active when the transmission is upshifting
1 Safety mode 1 – is active safety mode in TCU
2 Parking 1 – is active
3  Oil fan 1 – is active
4  T-Brake 1 – is active
5  Brake selenoid ON 1 – is active
6 Neutral 1 – is active
7 Blip out  1 – is active


FLAGS2
Bit index Name Description
0  Automatic Mode 1 – is active
1 Adaptation activation 1 – is active
2  Hand Brake 1 – is active
Updated on June 11, 2025