Method & sources

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.

Coverage

• Full published complaint flat file; historical ODI identifiers can cover multiple products.
• Recalls are campaign/product rows, not individual affected vehicles.
• Service bulletins and recalls are model context, not proof an individual vehicle has a defect.

Primary sources

• complaints, 2260975 rows.
• recalls_recent, 246908 rows.
• recalls_history, 81710 rows.
• investigations, 154455 rows.
• communications_1995, 25361 rows.
• communications_2000, 57867 rows.
• communications_2005, 32576 rows.
• communications_2010, 70419 rows.
• communications_2015, 424194 rows.
• communications_2020, 430462 rows.
• communications_2025, 185279 rows.
• complaint_dictionary, reference dictionary rows.
• recall_dictionary, reference dictionary rows.
• communication_dictionary, reference dictionary rows.
• investigation_dictionary, reference dictionary rows.