Wabco Iveco Irisbus Euroruder Motor F3A Retarder control unit deffective

[McDowell]

Hello mates,

I have one Retarder control unit deffective with the following fault codes:

BC5_01 SIGNAL NO PLAUSIBLE RETARDER CONTROL

And these before delete fault codes

BBD_03 DEFFECTIVE EEPROM CONTROL UNIT
9E_00 VERY LOW VOLTAGE
BC5_01 ----

The unit picture outside and inside

3fe642b1-574c-4b56-966d-1e30f5d840e1.jpg5b680f12-f2ea-4ebc-b196-f756d26c08fc.jpg32b1bc1c-f571-4b7b-bfcf-8b1ee1190dc9.jpgceff8315-c7d7-4f25-b2bc-cddeb499b488.jpg


I have tried to find an unit for swapping this one but I can´t find any

It has a 24LC16 and AM29F00BB

Any help will be more than welcome


Thank you so much

[rodnro]

Can you power it up on the bench?then you could check for 5v,3.3v etc.