[j cAT]

this code is usually the converter.

since you have 150,ooomi on this vehicle replace all 4 O2 sensors. these are only good for about 100,ooomi. this is not my opinion but that of the manufactures.

reset the pcm and see if you get a repeat.

the reason this has occured is usually from the cat converter getting damaged from improper fuel ratios or excessive oil carbon etc.

the other item would be coolant being burned.

point I am making IS do not replace converter until you are quite sure that engine has no issues that WILL create another cat failure.

whenever replacing these converters the upstream O2 sensors should be replaced.................