Manufacturer-specific fault
P1646 — Renault
Real-world scan data
Seen in
238
scans in the past year
Found in
0.9%
of scans
#84
most common code across all scans
Appears alongside · share of P1646 scans
P1645in 98.7% of scans
P1644in 95.4% of scans
P2263in 22.7% of scans
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
What it means
Issue in heated oxygen…
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