One customer used Yanhua ACDP2 with Module 32 to clone BMW ZF 6HP gearbox TCU, but failed to communicate with TCU. The APP system prompted “Gearbox Communication Error”.
The solution:
1.Verify Gearbox Chip Type:
Use the ACDP to identify the TCU chip type.
- If the chip is 556, cloning is supported and should proceed normally.
- If the chip is 555, cloning is not supportedwith ACDP.
2.CAN-R Switch Position:
Ensure the switch on the ACDP main unit is set to the CAN-R
3.Wiring Connections:
- The Yanhua Module 32 kit includes a blue cable.
- Connect the blue cable between the gearbox module and the 6HP K-line adapter (see images below).
After completing these steps, attempt to read the gearbox TCU again.
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