Join Date: Jan 2009
Location: Riverside, CA
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2001 Catalytic Converter (SES Code: P0420)
I have a 2001 2WD King Cab Frontier. It has 116,000 miles on it, no mods, and has been regularly maintained.
The service engine soon light has been on in my truck for the past couple of months, but i have had no drop in performance or mileage.
I finally took it into AAMCO today and they told me that it is a Catalytic Converter Code (P0420 - TW Catalyst SYS-B1). He said he checked the system and everything looked fine to him, then he pulled of the CC and it worked fine off of the car.
He then told me that he looked up a service bulletin online and that the fix involved Flashing the computer, but that only a Nissan Dealership would be able to do this because the don't distribute the codes.
Does anyone know anything more about this? Thanks for the help.