magdalenawolf81
GTR System Readiness Incomplete
Summary of the thread
A 2022 GTR with a gasoline engine showed an incomplete system readiness status and a check engine light after an OBD2 scan, raising concerns about failing an emissions test. The issue was suspected to be related to the vehicle's computer entering a problematic state post-scan. A suggested solution involved performing a specific drive cycle and potentially resetting the computer. Ultimately, a reset and a new drive cycle resolved the problem without any cost.
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4 comment(s)
magdalenawolf81 (community.author)
Drive cycle? I've heard of it but never bothered since it always worked on its own. Which monitors were being a pain for you?
hannahschwarz6
Yeah, it's a pain. For me, it was the evap and catalyst monitors, which are pretty common ones to get stuck. I tried a specific BMW drive cycle a few times and it just wouldn't budge. After digging, I discovered this is a known issue and that even with the drive cycles, it just wouldn't complete. Ended up taking it to a shop. They said the computer sometimes gets into a weird state after an OBD2 read and needs a specific reset to clear everything. Worth a shot before digging deeper.
magdalenawolf81 (community.author)
Appreciate the info! Turned out it was exactly as you said. They reset the computer, forced a new drive cycle and all good. Cost me nothing - they said it was 'courtesy service'. Thanks!
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NISSAN
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GTR
hannahschwarz6
I had a similar issue with my '18 BMW M4. Same thing, ran an OBD2 scan, then suddenly I got a system readiness error. It wouldn't clear, and I couldn't pass inspection. Did you try a drive cycle, specifically targeting the monitors that are not ready?