Credentialed Testers & Testing Devices

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How to become a tester

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 Guide(User Guide)Credentialed Testers List

OBD test resources

NON-OBD test resources

OBD Test DevicesSAE J1667-Compatible Smoke Meters
OBD Readiness CriteriaInstructions & Vehicle Emissions Control Equipment Inspection Form

Recent CTC-VIS Updates for Credentialed Testers and Testing Requirements Webinar

Webinar Registration Wednesday, December 4, 2024 03:00 p.m.​​​​​​ - 5:00 p.m. (Pacific Time)

OBD Testing Device Vendor Materials

Vendor Device Certification