Manufacturer-specific fault
B2521 — Hyundai
Real-world scan data
Seen in
380
scans in the past year
Found in
0.6%
of scans
#637
most common code across all scans
Appears alongside · share of B2521 scans
B2518in 61.8% of scans
B2519in 61.0% of scans
B2520in 60.8% 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
Open circuit in right rear turn signal RH Rear Open Circuit in Turn…
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