California Air Resources Board

Tester Exam Materials

Tester Training Course, Exam, and Certification

      -Reference Videos for Credentialed Testers

Testing Form and Instructions

Instructions & Vehicle Emissions Control Equipment Inspection Form

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

Webinar Registration (October 22, 2024 at 11:00 AM)

Fact Sheet, Videos, & FAQs

Credentialed Tester Overview: Clean Truck Check

Video: Create a CTC-VIS Account to View/Review Test Results (Effective 10/1/24)

Credentialed Tester Account User Guide (Effective 10/1/24)

Tester Training and Examination | Español | ਪੰਜਾਬੀ

Tester Training FAQ

Tester Business & Marketing Materials

Clean Truck Check Credentialed Testers Marketing Materials

Credentialed Testers-Search by Location

Testing Device Information

OBD Test Devices

SAE J1667-Compatible Smoke Meters

OBD Readiness Criteria

OBD Testing Device Vendor Materials

Vendor Device Certification