Spot Recently Cleared OBD2 Codes on Used Cars
Scan used cars for incomplete readiness monitors and reset history before purchase. Learn difference between cleared trouble codes, battery disconnects, and permanent diagnostic data.
In this episode
Check emissions readiness monitors before trusting clean diagnostic scans.
Inspect distance and time data since last diagnostic reset.
Evaluate permanent trouble codes remaining after standard code clearing.
Compare scanner findings against seller statements and maintenance paperwork.
Scan diagnostic connector before and after required drive cycle.
Links & resources
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