AUDI A3 ROM ERROR !!!

[audivwauto]

Hi guys audi A3 2007 2.0 t 8P0 920
no faults in immo
cluster fault 16346control Modual -ROM Error
014 defective

cars battery's drains over night and backing lights on light switch stay on
any ideas ?

[yugo45]

Possible Corrupted flash.

[audivwauto]

ya must be but that cluster does not have a micronus ...has 2 similar type chips ...
can thay be reflashed ?

[lupu_sandu]

Read and post here eep+micronas dumps.

[autofan1965]

Read immoblock and write to new cluster. I dont think that someone share fujitsu flash.

[audivwauto]

theres 2 flashs on the board,......witch on id faulty ?

[autofan1965]

In one of them you have encryption key from eeprom. When you modify data or change it on another mcu dash cant read immodata from eeprom properly.