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audiozone
3rd March, 2010, 08:57 AM
I need your help with eeproms:

ATMEL234_____ ATMEL242
68558 B________68558 B
2G5837________2H4480

The first is from a 2003 Chevrolet Tahoe and the second is from a 2003 GMC Yukon dashboards. I tried to read them as 25020 with Willem PCB50 but only reads FF FF FF...
VCC : Pins 3,7 and 8
GND : Pin 4
Do I need a special programmer or configuration:questionmark:

Kaluluka
24th March, 2010, 11:53 AM
I need your help with eeproms:

ATMEL234_____ ATMEL242
68558 B________68558 B
2G5837________2H4480

The first is from a 2003 Chevrolet Tahoe and the second is from a 2003 GMC Yukon dashboards. I tried to read them as 25020 with Willem PCB50 but only reads FF FF FF...
VCC : Pins 3,7 and 8
GND : Pin 4
Do I need a special programmer or configuration:questionmark:

I did read Same EEPROM (Mine ATMEL224 & this seems to be a chip manufacturig date: Year 2002, week 24=224 in my case)as 25020 without the problems & changed mileage as well as working hours On 2003 model Chevrolet Tahoe.......
You doing something wrong with programmer...