You decide
when to test.
Order your free testing device today. Run a Clean Truck Check directly from your dashboard — using your phone or computer — or schedule it ahead of time. Only passing tests are reported to CARB.
Only passing tests
go to CARB.
If your CTC test fails, it is not reported to CARB — and you can retest for free within 7 days. No penalties. No surprises. Just clean results submitted on your terms.
< 5 min
Install Time
Free
Device Cost
2013+
Vehicles Supported
9-pin & 16-pin
Connectors
How It Works
Three steps. On your schedule.
Pricing
Two plans. One free device.
Both include the same CARB-certified device, shipped free. No hidden fees.
Pay Per Test
No subscription. Buy tests as you need them.
Managing a large fleet?
Volume discounts available for fleets of 10+ vehicles.
Reviews
Fleets that made the switch.
"Plugged it in, ran my first test from my phone the same day. No appointments, no driving anywhere."
Luis Martinez
Owner-Operator
"Love that I can schedule tests ahead of time. The dashboard makes it so easy to stay on top of compliance."
Sarah Kim
Fleet Manager
"A test failed and it wasn't reported to CARB. I retested for free a few days later and passed. No stress."
Monica Alvarez
Operations Lead
"You decide when to test — that's the game changer. No more waiting around for a tester to show up."
Daniel Foster
Dispatch Manager
"Only passing results go to CARB. That alone gives me peace of mind for our whole fleet."
Andre Reynolds
Compliance Coordinator
"Free device, simple dashboard, real support. Easiest compliance tool we've used."
Lucas Bennett
Small Fleet Owner
FAQ
Common questions.
Order your free
testing device today.
Join fleets across California that test on their schedule — not someone else's.
Get Your Free DeviceNo commitment. Cancel anytime.