M1PT-14B321-CA, 2021 FORD BRONCO CANT READ R7F701A033

[alexs600]

HI.
M1PT-14B321-CA, 2021 FORD BRONCO R7F701A033
got this unit after deployment (need remove crash)
Tried to read with UPA-S-got error (don't remember exact message something about security) (only able read option bytes)
Tried read with CPT-(also only able read option bytes)
here what i got when try to read any other data:
example for data flash:

Select: data bank

Target found!

Oscillation frequency set success!

Target information:
Chip Name: R7F701A03
bank a 512 kB 22 sectors
bank e 32 kB 1 sectors
data flash 32 kB 512 sectors

ID Authentication - OFF
Command Security - ON
Read - Disabled
Write - Disabled
Erase - Enabled
read memory ...fail!


any idea ?
Thanks

[fuzz1]

Hi

What did the guys from CPT tell you?
What pinout did you use?

[Zaveruha]

Look like MCU is locked

[AB4S]

Read/Write disabled.. Looks like MCU is locked

[fuzz1]

What if he erases it? Will he be able to write back?

How can an ECU be locked if crash data was written on there? Is it locked after writing the crash data?

Would turning command security to off enable read and write?

[alexs600]

Hi

What did the guys from CPT tell you?
What pinout did you use?

CPT guy have not responded et
used this connection with CPT

[AB4S]

What if he erases it? Will he be able to write back?

How can an ECU be locked if crash data was written on there? Is it locked after writing the crash data?

Would turning command security to off enable read and write?

Maybe it has read/write protection on the MCU, not sure until i have one for repair myself to investigate.

But also could be a number of things, maybe pinout not 100% correct. Try read dump from ASTCAN i think it supports this MCU with ford just use similar part number

[Vladimir.zheurov]

ASTCAN makes this unit through the OBD. So it is stated.

[fuzz1]

Thank you for your reply.

Was just thinking out loud. I would investigate command security to off if possible. Maybe that might be the key.

[fuzz1]

Is this the ecu?

Looks possible with upa309 3.jpg

[alexs600]

I got update -from person who got it fixed.
Unit was taken to person with ASTCAN CPT tool
Tried read оn table as OBD true CAN comunication.
Unit was identified ,and error codes as You can see on picture.
But could not read data from module.
Flash was purchased from someone (that was incripted for AST) and programmed with AST tru CAN comunication.
Programming took over 20 minutes.
After programming reconnect with ASTCAN -was no more crash only diff troble codes
Module was installed on vehicle.
As result light Off.
I am writing this on phone don't see how to add photo
So will post photo of (AST log) later
Thanks

[alexs600]

AST CAN log

[Viliuxxx]

Maybe no other solution only buy new modul and learning via dialer or Ford online.

[buga37]

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