HD not working.. SMART Status: Pass, 11-Cable Test::Read diagnostics sector error!

Everything was working fine until now. I can’t access anymore the HD. I then installed the windlg 1.21  and here’s what I have:

Test Option: QUICK TEST
Model Number: WDC WD3200KS-00PFB0
Unit Serial Number: WD-WCAPD2959884
Firmware Number: 21.00M21
Capacity: 320.07 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 11-Cable Test::Read diagnostics sector error!
Test Time: 17:48:01, May 22, 2010
Test Option: EXTENDED TEST
Model Number: WDC WD3200KS-00PFB0
Unit Serial Number: WD-WCAPD2959884
Firmware Number: 21.00M21
Capacity: 320.07 GB
SMART Status: PASS
Test Result: FAIL
Test Error Code: 11-Cable Test::Read diagnostics sector error!
Test Time: 17:48:32, May 22, 2010

I tried another sata cable but it does the samething…

Any clue?