fabianfire1
Silverado System Readiness Check Issue
Summary of the thread
A 2019 Chevrolet Silverado experienced an incomplete system readiness check, with an error message appearing on the speedometer after an OBD2 read. This issue could potentially be related to the exhaust system. A suggested solution was to perform a drive cycle, which involves driving in a specific pattern to allow the car's computer to test all systems. The problem resolved itself after a few days, with the system readiness check completing successfully without any additional cost.
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4 comment(s)
fabianfire1 (community.author)
Thank you for your insight. Could you elaborate on what a 'drive cycle' entails? I am not familiar with the term and its impact on the system readiness.
johanneswolf83
A drive cycle means driving in a specific pattern that lets the car's computer test everything. I'm not totally familiar with your Silverado, but a typical drive cycle involves a cold start, idling, accelerating to moderate speed, maintaining it, decelerating, and repeating. The exact procedure can vary, so check your Silverado's documentation. If that doesn't resolve it, consult a workshop.
fabianfire1 (community.author)
I appreciate the clarification regarding the drive cycle. It appears the issue has resolved itself. I waited a few days and retried the vehicle inspection, and this time system readiness check was complete. The cost of this corrective measure was 0€.
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CHEVROLET
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SILVERADO
johanneswolf83
That's tricky! I had something similar happen with my 2016 Volvo XC60 after clearing codes with an OBD2 scanner. The system readiness wasn't setting, so I couldn't pass emissions. Have you tried a drive cycle? It sometimes resets the monitors; it might be the diagnostic tool itself.