Question:
I have a 2003 Ford Expedition, and UBP refers to the communication protocol. OBDLink MX Bluetooth and Forscan have had very few troubles connecting to several vehicles from early models to more recent MS-CAN equipped models. I wonder if the vxdiag vcx nano ford ids is able to access old Fords with UBP.
Answer:
Most other vehicles use CAN, but these older Fords use UBP to communicate with the PCM. Most devices available cannot communicate with UBP.
Obdlink does not support UBP. VXDIAG VCX NANO does not do old UBP Ford either.
Forscan has UBP support as of version 2.3.09 but only for Ford VCM2 Adapters and VCM2 Clones.
Support for UBP protocols in ELM327 based adapters is still being worked on hence the prompt for the switch change if ISO/UBP is expected on the board but to date reading UBP with ELM327 adapters has not been successful!
You need a UBP compatible scan tool. One of the few scan tools with UBP support is Ford VCM II.
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