California Air Resources Board

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What Is Clean Truck Check and What Do I Need To Do? 

Implementation Guidance

• Clean Truck Check Requirements for Vehicles Subject to Semi-Annual Compliance | Español |ਪੰਜਾਬੀ
• Agricultural Vehicles & Applicable Motorhomes Annual Requirements | Español | ਪੰਜਾਬੀ

Fact Sheets

General Requirements Fact Sheets

Tester/Device Related Fact Sheets

• Tester Training and Examination | Español | ਪੰਜਾਬੀ
• On-Board Diagnostics (OBD) Testing Devices | Español | ਪੰਜਾਬੀ
• OBD Readiness Criteria

Frequently Asked Questions (FAQs)

• FAQ Resource Document

Find answers to our most popular questions. If you don't find the answer to your question, please contact hdim@arb.ca.gov.

Outreach Materials

• Overview Bi-Fold| Descripción general de Clean Truck Check BiFold |ਕਲੀਨ ਟਰੱਕ ਚੈੱਕ ਓਵਰਵਿਊ ਦੋ-ਫੋਲਡ

Videos

• Clean Truck Check-Vehicle Inspection System (CTC-VIS) Reporting Training Videos: Español  ਪੰਜਾਬੀ
  • Account Registration Module
  • Individual Vehicle Upload Module
  • Fee Payment Module
  • View Emissions Test Results
  • Bulk Vehicle Upload/Deactivation
  • Certificate/Fleetwide Attestation Module
  • Fleet Location Management Module
  • User Management Module
  • Vehicle Management Module
• Updated CTC-VIS Features
  • Clean Truck Check Reporting System (CTC-VIS) Updates (March 2024)
  • Clean Truck Check Overview & CTC-VIS Update May 20, (2024)
  • Emission Test Type
  • Expired Fees
  • Monthly Account Summary
  • Proof of Vehicle Exemption
     
• Webinar for Public Fleets-Clean Truck Check on September 20, 2023
• Reporting Database Walkthrough Video (Passcode: xx^2ng2k) 
• How to Operate CTC-VIS Training Videos
• Training Webinars How to Operate CTC-VIS on November 3, 2023