I did this and passed NYS inspection:
I dont remember if I turned off COT. I should probably check.
I followed this (from
To disable COT and the Rear O2s:
Engine, Fuel Control, COT, Lean Cruise, Cat Over Temp Protection:
COT - Set to Disabled
Engine Diag, General, Catalyst:
Catalyst Test - Set to Disabled
Post O2, Post O2 Test - Set to Disabled
Engine Diag, DTCs:
Set all the below DTCs to Error Mode "3 - No Error reported".
Still had to drive some miles for all tests to be performed.