Data quality

Explore owner-reported vehicle problems, recalls, investigations and manufacturer communications, with California context.

Source snapshot captured 2026-10-29. Publication e138cf859bdda10fad43.

Owner reports describe alleged problems. Complaint counts are not defect rates or lemon-law eligibility determinations.

Publication checks

• complaint_product_primary_key: PASS, 0 observed issues.
• component_bridge_orphans: PASS, 0 observed issues.
• california_count_not_over_national: PASS, 0 observed issues.
• entity_primary_key: PASS, 0 observed issues.
• nonnegative_counts: PASS, 0 observed issues.
• signal_not_larger_than_population: PASS, 0 observed issues.