UPA can't read HC912B32 mask 0J38M

**peko** · 27th June, 2011, 10:02 AM

hi friends

i can't read this mcu HC912B32 mask 0J38M always i have bad BKGD ( < 1V )

i lift pin reset and pin bkgd
i use power supply
upa test hardware ok

but my upa not read this mcu always bad bkgd in " connection "
i use this pin connection :

anybody know way ?
thank you

**knok** · 1st July, 2011, 07:34 AM

Originally Posted by peko

hi friends

i can't read this mcu HC912B32 mask 0J38M always i have bad BKGD ( < 1V )

i lift pin reset and pin bkgd
i use power supply
upa test hardware ok

but my upa not read this mcu always bad bkgd in " connection "
i use this pin connection :

anybody know way ?
thank you

from which unit you have this mcu ?

**peko** · 1st July, 2011, 11:01 AM

is from ecu air bag vag

**treo** · 12th October, 2011, 09:47 AM

Originally Posted by peko

is from ecu air bag vag

Today I read one of this MCU with UPA .Easy just lift reset pin.

**markovojvodic** · 14th April, 2012, 04:02 PM

Im having the same problem with UPA and Xprog

Oj38m from Ford Ka 2003

any idea ?

**klonone** · 14th April, 2012, 05:08 PM

hello.you check oscilator frequency????
regards

**markovojvodic** · 14th April, 2012, 05:14 PM

Yes i dis now i see one comp is missing on the board ,
do you have a pict of it ?

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**peko** · 15th April, 2012, 12:39 AM

i read it when i lift pins BKGD and reset

**markovojvodic** · 15th April, 2012, 08:16 AM

ok i will try but do you have a pic of the board bcs one comp is missing on the board on my ecu just to check

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