Ford Fiesta Active 2023 1.0 100hp

General
1

Is there a way to gain access to configuring the PCM module? I know on some different cars and transits you can configure the PCM to change the “engine” since the 100ps engine is the same as the 125ps for my particular car - only different map. I’m looking to change this from 100ps to 125ps.

I have 3 potential reasons as to why it isn’t working so please tell me if I’m correct…

  1. I haven’t bought the full version of FORScan
  2. The cable I have is preventing me from accessing some options
  3. It’s too new of a car so the current version of FORScan doesn’t support it yet.

I do know that everything else is normal. I can change the boot screen, performance mode, launch control, auto-lock, global windows etc… but I just can’t for the life of me access the PCM module. Only the AsBuilt but I have no idea how that works…

Cheers guys.

2

To my knowledge, FORScan doesn’t support PCM Easy-Mode, at least not for the MK8 Fiestas (mine is from 2018). There isn’t an option for that. If you do some research, you might be able to uncover the AS-Built data for this modification, but it could take some time.

I’ve also come across cases where a PCM update was necessary to achieve higher horsepower. However, this can be quite risky, and I wouldn’t recommend it for beginners.

3

I see what you mean. Can you explain how to update the PCM, or could you give me a quick overview of what’s involved? I want to do some research on it, but I’m cautious about potentially bricking any modules since it sounds risky.

Also, do you know if my Fiesta is considered an MK8.5 since it’s the facelifted model, or is that term only used for the ST versions, which is what I typically see associated with “8.5”?

Thanks for the information!

4

The MK8 facelift is referred to as the MK8.5, so yes, yours is indeed an 8.5 model. To perform a module update, there are several essential requirements:

  1. A high-quality OBD2 adapter is necessary for maintaining a stable connection and ensuring fast data transfer speeds.
  2. You will need a battery charger to keep the ignition on throughout the process, as this could drain your battery completely.
  3. Install a beta version of FORScan (2.4.x).
  4. Obtain the correct firmware files since the ones suggested will be for the 100hp version (good luck finding those).
  5. Use a laptop that won’t go to sleep, even after being idle for a while.
  6. Be prepared to invest a significant amount of time and patience; my IPC update took about 2.5 hours, and there will be moments when it appears the update has stalled.
5

I truly appreciate the time and effort you invest in helping me! Thank you very much. After reading your advice, I realize that updating any modules might not be the best idea, as it seems quite risky, even with all the tools you’ve mentioned. I’ll look for an AS-Built hex code for the engine and conduct more research to determine if an update is necessary.

On a slightly different topic, I feel like you might have the answer since you’re so understanding and knowledgeable. I recently installed an aftermarket conical air filter (specifically the Ramair CC-296-UNI), and I expected it to change the car’s sound, particularly during acceleration and torque, but it sounds almost the same as before. The only noticeable difference is reduced lag, and I enjoy the various sounds the turbo makes now. How can I achieve that deep, grunty sound that I loved with aftermarket filters in my previous cars, like my Vauxhall Corsa and Seat Ibiza? Could it be that the stock map in my car is restricting certain airflow?

Once again, thank you! You’re fantastic!

P.S. Congratulations on your digital instrument cluster for the MK8; it looks amazing!

6

I’m experiencing the same problem.

I’m not looking to upgrade to the 125 or 140 versions, even though that would be nice.

I can’t update my PCM because it says “files not found” after I click download. It manages to get one file but not the other. Additionally, it displays an expected result of F253 instead of xyz. Should I select “ignore checksum”?

7

Hi again, thanks again for the CC info, i haven’t got trying it yet because theres other issues with the car.

yes i have flicked through that manual, i would be willing to try at a later date upgrading the ECU either manually replacing or with Forscan Firmware calibrations.

the problem im currently having is im trying to download a PCM file through the calibrations thats not there. Forscan beta .15 doesnt seem to have it. namely: J1B1-14C204-PK

The reason im bothering to mess with the PCM is becasue i have a 1.0 ecoboost with issues (surprise). thankfully mine is chain driven but the issue is with the GPF.

long story short, someone hit debris in the road. it damaged the front radiator, radar sensor and Grille motor. it also damaged the gearbox.

all of this was replaced.

however after driving it developed a fault a few 1000 later where there was no boost. wasnt too bothered as he uses it to go 30 miles a couple of times a week. took it to 2 mechanics who couldnt fix the issues and messed up the things that were sorted, namely the CC and Grille wiring connectors. also around this time it was noticed it wouldnt come up to temperature and would also fluctuate.

took it straight to FORD dealership who gave it a new turbo (i dont think it needed it) under warranty. still no boost, ford inspected it again and couldn’t find an issue. soon after the GPF full message appears.

i decided to help a friend out and tackled this myself, i sourced all correct wiring and soldered it all together. i then worked on the coolant issue. i ended up changing the small pump near the radiator and the internal thermostat. this solved the coolant issue as it would come straight up to temperature.

on to the boost issue, turbo threads had been stripped by ford, so i got a used turbo, checked wastegate arm for correct settings and installed. i noticed it wasnt pulling vacuum to the turbo. i checked all lines. i checked the one way vacuum valve. got a new turbo actuator solenoid after i decided the vacuum pump was good by cross referencing values from another ecoboost. still not working. I checked the fuse box and fuse 28/29 was blown, replaced the 15A with a 20A and no issues, we have boost!

GPF error messages still on car, no matter if i reset or relarn/adapt it still comes back up to the level 566. i changed all lambda sensors and GPF pressure sensor. NO CHANGE! still showing 566 GPF LOAD and 1% Soot on FORSCAN.

i discovered if i unplug the GPF pressure sensor and watch on forscan, the GPF lOAD comes down to zero. GPF was cleaned, still issue. GPF replaced and cleaned, still issue.

this is where im at now, can only be a PCM issue IMO

sorry for the rant, trying to give the full story for context and background to aid in resolving and for others if they ever have this issue!

Thanks