AIRPASS: Clean Truck Check on autopilot.
AIRPASS is a connected device that plugs into eligible heavy-duty diesel trucks and submits CARB Clean Truck Check tests automatically. It’s listed on CTC Connection as a Featured Automated Compliance Solution — an advertising option for fleets that want an alternative to scheduling a Certified Tester.
Auto-submit when due
Monitors compliance windows and triggers tests automatically.
OBD-native
Uses the OBD pathway CARB accepts for 2013+ heavy-duty diesels.
Fleet-friendly
Manage many trucks from one dashboard. No paper, no spreadsheets.
Audit ready
Every submission and result is timestamped and retained.
AIRPASS vs. visiting a Certified Tester
CTC Connection lists both pathways. Pick what works for your operation.
Manual CTC testing
- Find a Certified Tester near you
- Schedule downtime each compliance cycle
- Pay per test, every time
- Wait for Certified Tester availability
- Risk fines on missed deadlines
AIRPASS (sponsored)
- Installs in minutes
- Runs while the truck is in normal duty
- Predictable subscription pricing
- Submits the moment it's eligible
- Built-in reminders and audit trail
This directory is not affiliated with or endorsed by CARB. Certified Tester information is sourced from CARB’s public for-hire Certified Tester list when available; inclusion on that list is optional. Always confirm Certified Tester credentials, services, and availability before scheduling compliance testing.