Cat ECM Password
11-13-2019, (Subject: Cat ECM Password ) 
Post: #1
Cat ECM Password
I was going to use the Cat ET to change the engine brake settings on my Freightliner FLD with a C-12 and it asked me for a password. I had a dealership change this setting a few months ago so I doubt there is a custom password on it. Is there a generic password? If not how do I reset it?
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11-13-2019, (Subject: Cat ECM Password ) 
Post: #2
RE: Cat ECM Password
On my truck, 1. 2, 3 gets me in, or 000, usually the norm...
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11-13-2019, (Subject: Cat ECM Password ) 
Post: #3
RE: Cat ECM Password
you will most likely need a factory password.
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11-13-2019, (Subject: Cat ECM Password ) 
Post: #4
RE: Cat ECM Password
it is 0000.
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