haraldbauer25
Skyline OBD2 system readiness incomplete
Summary of the thread
A 2019 Nissan Skyline hybrid owner experienced an issue with the system readiness check being incomplete, accompanied by an error message on the speedometer and stored in the error memory. The problem arose after using an OBD2 reader for diagnostics. It was suggested that the car needs time to re-learn emissions data, which can be resolved by driving the vehicle for an extended period. After a week of normal driving, the system readiness cleared itself, resolving the issue without any repair costs.
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4 comment(s)
haraldbauer25 (community.author)
Interesting! How long is 'a while'? I've driven maybe 50 km since the OBD2 readout. Is there a specific type of driving that helps, like highway vs. city, or does it just need mileage?
linadunkel1
Yeah, 50km probably isn't enough. Think of it like warming up an old engine – it needs time to cycle through everything. For me, it eventually cleared itself after a week of normal driving. If it doesn't clear after a couple of weeks, maybe visit a workshop.
haraldbauer25 (community.author)
Thanks a bunch for the info! Turns out you were spot on. After another week, the system readiness cleared itself. The vehicle inspection passed, and no repair costs were incurred. Much appreciated!
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NISSAN
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SKYLINE
linadunkel1
Hey! I have a Skyline too. I had something similar happen after I cleared some codes with an OBD reader. I think it's like the car needs to re-learn all the emissions stuff. Did you try driving it for a while after the readout?