In practice in the field 1. TCU replacement (KLV-EEPROM memory readable) Read complete EEPROM memory old TCU (Service $22: Read Data 0xFEA0 - 0xFEA6) • Write complete EEPROM from old TCU to new TCU • (Service $2E: Write Data 0xFEA0 - 0xFEA6) 2. TCU replacement (KLV-EEPROM memory NOT readable) Retreive “dataset HCU” of mounted HCU from OEM database and flash on TCU • (Service $2E: Write Data 0xFEA0) Perform CPC adaption • (service $31: RoutineControl - RID 0xF889) 3. HCU replacement Clear dataset 0xFEA0 + 0xFEA1 • Retreive “dataset HCU” of new HCU from OEM database and flash on TCU • (Service $2E: Write Data 0xFEA0) Perform CPC adaption (service $31: Routine Control - RID 0xF889) Dual Clutch Transmission (DCT) 33
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