ASE Heavy Duty / Medium Duty Certified

Isuzu Master Certified

Advanced Level ASE Certified

Mobile CLEAN TRUCK CHECK Inspections

(805) 638-3911

Clean Truck Check

Credentialed Clean  Truck Check (CTC) Testers


Count on CARB Clean Truck Check / CARB HD Inspection in Simi Valley, CA, for Clean Truck Check services to ensure diesel vehicles over 14,000 lbs meet California’s new air quality standards. As a Clean Truck Check Credentialed Tester, we help both individual vehicle owners and fleet operators comply with the 2025 CARB smog law. This regulation, enforced by the California Air Resources Board (CARB), requires twice-yearly emissions testing to maintain vehicle registration and avoid penalties.


Our mobile inspection services cover Los Angeles, Orange, Ventura, and Santa Barbara counties, offering convenient, on-site testing for your trucks and fleet. We provide fleet discounts for businesses managing multiple vehicles.

What is the CARB Clean Truck Check Program?

The CARB Clean Truck Check program is designed to reduce emissions from heavy-duty diesel vehicles, improving air quality across California.

Key requirements:

Diesel vehicles over 14,000 lbs must be tested twice per year.

The program applies to individual truck owners and fleet operators.

Failure to comply may result in fines and registration holds.

Mobile Clean Truck Check Services for Your Fleet



Managing a fleet? Our mobile service makes compliance easy by performing on-site inspections at your location, minimizing downtime, and keeping your business running smoothly. We offer fleet discounts to help businesses stay compliant cost-effectively.

Assistance With CARB Documentation

Navigating CARB’s paperwork can be complex, but we are here to help. Our team assists with filling out all required CARB documents to ensure your vehicles are properly registered and compliant. We guide you through the necessary forms and submissions, making the process seamless and hassle-free.


Call (805) 638-3911 to schedule your service today!

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