CG FC200 ecu programmer supports DTC OFF function without 3rd party tuners. Here is an example of BMW MSV90 DTC OFF using FC200.
Model: 2011 BMW 730Li
ECU/DME: Continental MSV90
Run CG FC200 software, check DTC OFF car list check if the ECU is supported.
MSV90 is included.
Check also: FC200 DTC OFF ECU List
Select BMW Continental MSV90 TC1796, Platform mode (bench mode)
Check wiring diagram
Confirm whether the pins on the module are the same as those on the software. Only 5 wires need to be connected on the wiring diagram, two RED12V, one GND ground, and CAN H and CAN L.
Follow diagram to connect FC200 programmer with MSV90 ECU
Identify ECU
Better back up data before DTC OFF
Read and save DFLASH
Read and save PFLASH
Back up data successfully.
Send PFLASH data to CGDI engineer (QQ: 800163968), they will modify data for free, then send back modified PFLASH data for DTC Off.
Then write the modified PFLASH data to MSV90 ECU
CG FC200 will do checksum correction.
Write data successfully
Install MSV90 DME back to car. Connect a OBD2 diagnostic scanner to check if there is DTC.