CARB Clean Truck Check in Denver, CO and Kalispell, MT

CARB Clean Truck Check in Denver, CO, and Kalispell, MT

If your fleet operates in California, CARB’s Clean Truck Check isn’t optional. This statewide emissions testing initiative requires heavy-duty diesel trucks to submit routine emissions data, perform VIN verification, and pass opacity standards—even if they're registered outside the state.

Iron Buffalo offers CARB Clean Truck Check support in Denver, CO and Kalispell, MT, to ensure your vehicles meet strict emissions rules.

CARB Emissions Services

Iron Buffalo delivers complete readiness services for the Clean Truck Check program. We help you meet all testing and reporting obligations, including:

• CARB-compliant diagnostic scans (OBD and emissions systems)
• VIN verification and system registration assistance
• Smoke opacity testing and documentation
• Emissions control equipment inspection
• Fault code clearing and system health verification
• HD I/M testing prep and compliance consulting
• OBD sensor and connection troubleshooting
• Periodic testing reminders and tracking support
• Remote data transmission support for CARB portal
• Inspection report documentation for audit purposes

Whether you’re a California-registered fleet or just passing through, we’ll keep your diesel trucks compliant and operational.

What Makes Us Different

We specialize in helping fleets outside California navigate CARB’s inspection and maintenance mandates. We understand what’s needed to pass, how to interpret reporting failures, and how to troubleshoot before you get flagged.

We support both fleet managers and owner-operators by offering streamlined OBD reporting services and emissions diagnostics tailored for California’s CARB regulations. Our experience with heavy-duty emissions systems ensures that your trucks won’t be sidelined due to reporting errors or sensor malfunctions.

Need CARB Emissions Service?

Need help with CARB testing or reporting? Call Iron Buffalo at 303-623-7049 (Denver) or 406-890-7001 (Kalispell) today. We’ll prepare your diesel fleet for Clean Truck Check compliance.

FAQs

What Areas Do You Serve?

We offer 24/7 mobile repairs and roadside assistance in the following areas:

Colorado: Boulder, CO; Aurora, CO; Centennial, CO; Fort Collins, CO; Greeley, CO; Georgetown, CO; Brighton, CO; Castle Rock, CO; Colorado Springs, CO; and Longmont, CO.

Montana: Whitefish, MT; Bigfork, MT; Somers, MT; Polebridge, MT; Thompson Falls, MT; Polson, MT; Rollins, MT; Libby, MT; and Eureka, MT.

What Is the CARB Clean Truck Check?

It’s California’s Heavy-Duty Inspection and Maintenance (HD I/M) program requiring emissions system diagnostics, OBD reporting, and compliance from all trucks operating in the state—regardless of registration origin.

Can You Help with Out-of-State Fleet Compliance?

Yes. We work with fleets from outside California to ensure their trucks meet all CARB diagnostic and reporting requirements before operating within state lines.

How Can I Get in Touch?

If you're ready to schedule diesel repairs, call Iron Buffalo today at 303-623-7049 (Denver) or 406-890-7001 (Kalispell).