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/

Vehicle Compliance Status Lookup

https://cleantruckcheck.arb.ca.gov/Fleet/Vehicle/VehicleComplianceStatusLookup

Clean Truck Check - Emissions Compliance Testing Requirements

https://ww2.arb.ca.gov/clean-truck-check-emissions-compliance-testing-requirements

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