CARB-credentialed on-board diagnostics compliance testing for heavy-duty vehicles. Stay compliant with Clean Truck Check requirements.
On-site mobile testing at your yard or facility. No need to take trucks out of service or travel to a testing center. We bring CARB-certified equipment directly to you—zero downtime, zero hassle.
Heavy-duty diesel trucks and buses with 2013 or newer model year engines. Class 4–8 trucks, semis, box trucks, dump trucks, and diesel buses.
Natural gas (CNG/LNG) and other alternative fuel heavy-duty vehicles with 2018 or newer model year engines.
Diesel-hybrid and alternative fuel hybrid heavy-duty vehicles meeting the above engine model year requirements.
OBD-equipped on-road agricultural vehicles and CA-registered motorhomes over 14,000 lbs. Annual testing schedule.
All heavy-duty vehicles operating on California roads must comply—regardless of registration state.
Freightliner, Peterbilt, Kenworth, Volvo, Mack, International, Western Star, HINO, Isuzu, and more.
| Volume | Test Price | Retest Price |
|---|---|---|
| 1 OBD Test | $150 | $75 |
| 2 – 4 OBD Tests | $125 | $60 |
| 5+ OBD TestsBest Value | $100 | $50 |
Authorized under CARB’s Clean Truck Check program for emissions compliance testing.
Current credentials for OBD emissions compliance testing on heavy-duty vehicles.
