View Full Version : RENAULT LAGUNA TRUNK NOT OPEN (UCH:8200309690)
Panathaole
6th July, 2020, 07:48 PM
Hi
i have an UCH from Renault Megane 2005 (UCH:8200309690 PDB:820326031)
Everything work fine in that car except the trunk, not open..........
the wiring is ok, i suspect the UCH, anyone knows if it is possible to repair it? What it may be the problem?
728254
Thank you...
rafal
6th July, 2020, 08:32 PM
if as you wrote : UCH:8200309690
so it is from megane II / scenic II
X84 N2
anyway here you have full :
1409 - boot lid swich
645 - uch
Panathaole
6th July, 2020, 09:02 PM
if as you wrote : UCH:8200309690
so it is from megane II / scenic II
X84 N2
anyway here you have full :
1409 - boot lid swich
645 - uch
thanks Rafal, you have right Megane 2005....
Panathaole
7th July, 2020, 11:40 AM
Update
i cant find anything in pcb.... (and i dont have the car....)
i talked with the owner, the problem starts after he discovered that the negative battery pole was loose.....
i suspect the eeprom is the problem......
if i read it is possible to repair? or i must make virgin and adapt it?
Thank you.....
rafal
7th July, 2020, 12:10 PM
bring car too you and check all by self first m8
Panathaole
7th July, 2020, 12:26 PM
bring car too you and check all by self first m8
that's difficult....is in a workshop..... and they insist the problem is the ucm, is burned.....
Panathaole
7th July, 2020, 06:39 PM
can i replace 74HC151D with 74HC151 (from an old pcb) just to test it?
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