California Clean Truck Check Compliance App

Available at carbcleantruckcheck.app and cleantruckcheckvin.app, our mobile CARB compliance application serves fleet owners, owner-operators, and trucking companies throughout all of California. Instantly verify your vehicle’s Clean Truck Check compliance status using our real-time VIN lookup system. Whether you’re in Los Angeles, San Francisco, Sacramento, San Diego, or anywhere across the Golden State, our app provides immediate access to CARB compliance verification.

Meet VIN DIESEL — our built-in AI-powered regulatory assistant trained exclusively on Clean Truck Check regulations and CARB compliance requirements. VIN DIESEL answers your questions about HD I/M program requirements, PSIP deadlines, opacity testing, OBD testing, and California Air Resources Board regulations. Get instant expert guidance on engine family tags, annual reporting fees, and compliance deadlines without waiting on hold.

Frequently Asked Questions

  • Our app instantly verifies your vehicle’s California Clean Truck Check compliance status, including HD I/M program registration, PSIP test completion, OBD and opacity test results, and annual reporting fee payment status. Simply enter your VIN to check compliance across all CARB requirements.

  • VIN DIESEL is our AI-powered regulatory assistant built exclusively for Clean Truck Check inquiries. Trained on CARB regulations, HD I/M requirements, and California compliance rules, VIN DIESEL provides instant answers about testing deadlines, penalty avoidance, engine family requirements, and more. Access VIN DIESEL 24/7 through our app.

  • Yes! Our Clean Truck Check app serves the entire state of California. Whether you operate in Los Angeles, San Francisco, San Diego, Sacramento, Fresno, the Central Valley, or anywhere in the Golden State, you can verify CARB compliance, access VIN DIESEL AI support, and find credentialed testers near you.

  • Visit cleantruckcheckvin.app or carbcleantruckcheck.app from any web browser on your phone, tablet, or computer. You can also download our mobile app from the Apple App Store or Google Play Store. The app works anywhere in California with an internet connection.

  • Yes! The VIN lookup and compliance verification features are free to use on carbcleantruckcheck.app and cleantruckcheckvin.app. VIN DIESEL AI assistance is also included at no cost. Mobile CARB testing services are available at competitive rates — $75 for OBD testing per vehicle.

  • Collaborative, honest, and straightforward. We're here to guide the process, bring ideas to the table, and keep things moving.