Big change in 2025: Texas no longer requires a safety inspection for most passenger vehicles statewide. Emissions testing is still required in 17 metro counties (Dallas-Fort Worth, Houston, Austin, El Paso). Commercial vehicles still need a safety inspection.
Rules change. Verify the current Texas requirements with the state DMV or environmental agency before you go. This guide reflects the program as of 2026.
| Item | What the Inspector Checks |
|---|---|
| OBD-II scan (1996+) | Check engine light status, stored codes, readiness monitors. Most common test. |
| Two-Speed Idle (pre-1996) | 1995 and older gas vehicles get a tailpipe sniff at idle and 2500 RPM. |
| Gas cap pressure test | Performed on most vehicles in addition to the OBD-II scan. |
| Visible smoke check | No visible exhaust or crankcase smoke. |
| Brakes and lights (commercial only) | Safety checks now apply only to commercial vehicles and trailers above 4,500 lbs. |
| VIN verification | Inspector confirms VIN matches registration. |
Active check engine light is one of the top reasons cars fail in this state.
Get a Full Diagnosis →Readiness monitors not ready is one of the top reasons cars fail in this state.
Get a Full Diagnosis →Failed gas cap pressure test is one of the top reasons cars fail in this state.
Get a Full Diagnosis →Tampered emissions equipment is one of the top reasons cars fail in this state.
Get a Full Diagnosis →Catalytic converter failure (P0420/P0430) is one of the top reasons cars fail in this state.
Get a Full Diagnosis →Excessive visible smoke is one of the top reasons cars fail in this state.
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No. Effective January 1, 2025, the state safety inspection requirement was eliminated for most non-commercial vehicles. You pay a $7.50 "inspection program replacement fee" with registration instead.
17 counties: Brazoria, Collin, Dallas, Denton, El Paso, Ellis, Fort Bend, Galveston, Harris, Johnson, Kaufman, Montgomery, Parker, Rockwall, Tarrant, Travis, and Williamson.
Emissions inspection ranges $11.50 to $25.50 depending on the test type. OBD-II scan with gas cap is the most common at about $25.50.
You can apply for the Low Income Repair Assistance Program (LIRAP) for up to $600 in repair help. After repairs, retest within 15 days at the same station for free.
Vehicles two model years old and newer are exempt. After that, annual emissions tests apply if you live in an emissions county.
Nothing - the safety check was eliminated, replaced by a flat $7.50 registration surcharge. Officers can still cite you for unsafe equipment (bald tires, broken lights) but there is no annual sticker check.