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Nothing changes with the PCM connected when the cover is not touching the pins. With the PCM plugged in, I probed those four sets of pins, and each pin shows 0.01 V.

This is the truck I bought from the dealer as is.

Tomorrow I will try.

Opened the module housing. This is what I found. There was definitely some kind of short caused by the housing touching the board.

I have already returned the second hand GWM, but there was no VIN# on the tag. Yes, airbags deployed. I will open the PCM myself to check the board.

Nothing happens. Some relays click, but that's it.

I turned the ignition on and then removed the connector from the PCM to check it with a multimeter. Everything checks out.

100-102-103 - all get 12V. Regarding the manuals, I had the same question for you too. Each time I go to diagnose something, I buy it from https://www.fordserviceinfo.com/Home/EuropeanPricing. The good thing is that at least one hour actually lasts about 5 or 6 hours.

I will do the checks. OBD communicates with BCM since there are faults stored in this module. One thing, I do not see PIN 64 to be available on 2.0 EU diesel version.

@XRANGER2019 which fuse do you have in mind?

One more thing: the drive mode on the dashboard shows N. Turning the knob does nothing. I used the same ELM obd adapter and it failed to communicate with engine ecu. It show the VIN, but it says that it got it from OBD-II module, which I think is GWM (?).

These are the wires that were cut at the back of the truck. It was me who stripped the wires. The other connector was cut too, but from the other end, so I simply disconnected it.

Double checked all the wires going to the PCM according to the wiring diagram. CAN lines show 2.5V, power and ground wires are ok too. Pins 59, 60 get 12V too. Took out the PCM and it has damage. I don't have the hardware required to bench test it, but I plan to take it to someone who could do...

Very valuable insights. Power to the PCM and VIN scan are the first checks I will do, since from what I understand the DC-DC converter might be good. I did not take a picture of the instrument cluster. It shows all the information (gear, mileage, fuel level), but perhaps the PCM is not needed...

Rear camera works when in reverse. Checked last time.

That’s some interesting stuff happening inside the GWM. If I understand correctly, cutting off the MS1 CAN line did not break anything because the transceivers collect and pass the data. If I had cut off, for example, HS1, that would not have worked.

I used a standard ELM327 with the Car Scanner Android app. There is a fault, U0100(87), on the BCM and DCDC, which I think prevents the truck from starting. I'm not sure if every Ranger has a 230V socket, but this one does. There might be something related to the DCDC after all, because at least...

Yes. The problematic CAN pair which showed 0.6V now shows close to 0V and this allows OBD to connect.

Just got back from the garage. OBD works! First things first: last time I measured the GWM CAN line voltages with the ignition ON and the module connected. All the lines showed voltages between 1.5V and 3.5V. This is where I made a mistake. With the GWM disconnected, one CAN pair (GWM pins...

Just bought a used one. Same part number. Different wiring (from RHD Ranger). I will try to swap it. Engine Installed? - yes Do you have brake lights? - Push button start (requires brake pedal input) - one brake line is cut, but the car reacts to brake pedal pressing. I will double check the...