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California Air Resources Board

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Contact

Clean Truck Check (HD I/M)
Email
hdim@arb.ca.gov
Phone
(866) 634-3735

 

How to Interpret Failed Test Results
Test Results FAQ

Becoming a Tester & Creating a CTC-VIS Account

Fact Sheet, Videos, & FAQs

Tester Training Course, Exam, and CertificationCredentialed Tester Overview: Clean Truck Check
Reference Videos for Credentialed TestersTester Training and Examination | Español | ਪੰਜਾਬੀ
Create a CTC-VIS Account to View/Review Test Results (Video)Clean Truck Check Credentialed Testers Marketing Materials
Credentialed Tester Account User GuideCredentialed Testers List

OBD Resources

NON-OBD Test Resources

OBD Test DevicesSAE J1667-Smoke Meter Information
OBD Background InformationSubmitting a NON-OBD Test
OBD Recommended PracticesVehicle Emissions Control Equipment Inspection Worksheet
OBD Readiness Criteria

What to do when an ECL is Missing/Illegible

Vendor Device Certification–
Vehicles of Interest (Special Cases)
Vehicles of Interest (Field Issues)

    Contact Us

    (800) 242-4450  |  helpline@arb.ca.gov 
    1001 I Street, Sacramento, CA 95814
    P.O. Box 2815, Sacramento, CA 95812

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