Clean Truck Check-Vehicle Inspection System (CTC-VIS) Online User Guide

https://ww2.arb.ca.gov/clean-truck-check-vehicle-inspection-system-ctc-vis-online-user-guide

Welcome to the California Clean Truck Check, Vehicle Inspection System (CTC-VIS) Portal

https://cleantruckcheck.arb.ca.gov/

Clean Truck Check (HD I/M)

https://ww2.arb.ca.gov/our-work/programs/CTC/about

Clean Truck Check - Fact Sheets, Guides & Videos

https://ww2.arb.ca.gov/our-work/programs/inspection-and-maintenance-program/hd-im-fact-sheets

Clean Truck Check - On-Board Diagnostic (OBD) Readiness Criteria

https://ww2.arb.ca.gov/clean-truck-check-board-diagnostic-obd-readiness-criteria

Contact:

California Air Resource Board (CARB)

Clean Truck Check (HD I/M)

Email: hdim@arb.ca.gov

Phone: (866) 634-3735