Clean Truck Check Compliance. 100% Mobile. Zero Downtime.
We bring California Clean Truck Check certifications directly to your fleet yard. Fast, easy, fully compliant.
100% Mobile Service
CARB Compliance Fully Handled
Avoid Fines & Registration Holds
100%
Focus on Clean Truck Check Compliance
Avoid Fines. Stay Compliant. Keep Your Trucks Moving.
California’s Clean Truck Check program requires heavy-duty vehicles to meet strict emissions regulations. Missed tests or late submissions can lead to costly fines, registration holds, and downtime that hurt your business.
Titan Compliance handles everything so you don't have to.
Clean Truck Check Certification Services
Titan Compliance handles every step of your Clean Truck Check requirement, including:
- On-site OBD testing for heavy-duty vehicles
- Opacity testing for older trucks when required
- Complete CARB portal submissions and compliance documentation
- Fleet compliance scheduling and automated reminders
- 100% mobile service — we come to your fleet yard
Stay compliant without sending trucks off route or risking costly fines.
Fleet Compliance Management & Support
Beyond testing, Titan Compliance helps fleets stay organized and fully compliant:
- Centralized documentation and reporting for your entire fleet
- VIN-based recordkeeping and compliance tracking
- Proactive scheduling to avoid missed deadlines
- CARB submission confirmations and audit-ready documentation
- Support for fleet managers, brokers, and owner-operators
We make Clean Truck Check compliance one less thing you have to worry about.
HOW IT WORKS
2
We Test & Certify
We perform OBD tests, opacity tests (if needed), and handle CARB portal submissions.
3
You Stay Compliant
Your trucks stay certified, your fleet stays legal, and your drivers stay on the road.
1
We Come to You
Our mobile team arrives directly at your fleet yard.
Complete Clean Truck Check Compliance
SERVICES
Clean Truck Check Certifications (OBD Testing)
We perform full OBD diagnostic testing for heavy-duty vehicles to meet CARB Clean Truck Check (HD I/M) requirements. Every test is done on-site, with results submitted directly to CARB for certification.
Opacity Testing (older trucks)
For older diesel vehicles that require opacity testing, we perform full visual emissions checks using certified equipment to ensure your vehicles meet California’s standards.
CARB Portal Submissions
We handle all Clean Truck Check data entry and electronic submissions directly through CARB’s official portal, ensuring your certifications are processed quickly and accurately.
Compliance Reporting & Documentation
Every test result and CARB submission is documented, organized by VIN, and stored for your records. We provide you with easy access to all compliance documents in case of audits or inspections.
Fleet Compliance Scheduling & Reminders
We proactively track your fleet’s certification due dates and handle scheduling, so you never miss a compliance deadline. Our reminder system keeps your fleet on track year-round.
100% Mobile Service
We come to you!
We bring our full testing equipment directly to your fleet yard, saving you time, eliminating downtime, and keeping your trucks in service. No shop visits required.
We get it done
Why Us?
- 100% Mobile Service — No downtime for your drivers
- Fast, professional testing and certifications
- CARB submissions fully handled
- Avoid costly violations, fines & registration holds
- Fleet discounts for larger accounts
- Serving South Bay, Bay Area, and expanding across California
What our customers have to say...
Testimonials
google REVIEWS
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Mike T.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Oliver K.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Sara J.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Mike T.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Oliver K.
FACEBOOK REVIEWS
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Mike T.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Oliver K.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Sara J.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Mike T.
Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly. Jon fixed some lighting issues that I couldn't handle on my own. He was professional, courteous and worked quickly.
Oliver K.
Frequently asked questions
What is the Clean Truck Check program?
California’s Clean Truck Check (HD I/M Program) is a state-mandated emissions inspection program for heavy-duty trucks over 14,000 lbs GVWR. Fleets are required to complete OBD testing (and opacity testing for older trucks) and submit compliance results to CARB to avoid fines, registration holds, and penalties.
Who needs Clean Truck Check certification?
Any diesel, gas, hybrid, or alternative-fuel heavy-duty vehicle over 14,000 lbs operating in California is required to comply — whether you’re based in California or just driving into the state.
How often do trucks need to be tested?
Most vehicles require testing twice per year (semi-annually), depending on their model year and CARB’s schedule. We track your fleet’s deadlines and ensure timely compliance.
Do you provide mobile service?
Yes, Titan Compliance is 100% mobile. We come directly to your fleet yard or facility and perform all required testing on-site, saving you time and keeping your trucks on the road.
What happens after you perform the test?
We handle the full CARB portal submission for each vehicle tested. You’ll receive confirmation of submission along with organized documentation for your records.
What types of trucks can you test?
We test all heavy-duty vehicles subject to the Clean Truck Check program, including Class 4 through Class 8 trucks, box trucks, day cabs, sleeper cabs, delivery trucks, and specialty vehicles.
How do I schedule my fleet for testing?
Scheduling is simple. Call us, email us, or submit a request through our website. We’ll work with you to coordinate on-site testing that fits your fleet’s schedule.
How much does your service cost?
Contact UsWe offer transparent, per-truck pricing plus a mobile visit fee based on your fleet size. Volume discounts are available for larger fleets. Contact us for a custom quote.
