CARB Clean Truck Check

Schedule CARB Emissions Testing

We support fleet operators with Clean Truck Check readiness, deadline tracking, and service coordination. Book your testing appointment online.

Book Appointment Call (714) 751-3000
Testing Process
What to Expect
1
Before Testing
Confirm vehicle roster, due windows, and baseline records before your appointment date. ATD reviews your fleet's CARB status.
2
During Appointment
Testing follows current HD I/M requirements and includes structured documentation for fleet records and TRUCRS reporting.
3
After Testing
ATD tracks confirmations, next deadlines, and any follow-up compliance actions needed. Remediation support available.
What testing looks like
Inspection, Emissions, Certification

CARB Clean Truck Check measures opacity, OBD compliance, and emissions output. ATD coordinates the test, captures the result, and files the outcome with TRUCRS.

Mechanic inspecting commercial truck wheel

Pre-Test Inspection

Walkaround verification of emissions equipment and OBD readiness before the test.

Diesel exhaust emissions during testing

Emissions Measurement

Smoke opacity, OBD scan, and Clean Truck Check data captured at certified facilities.

Operations team filing certification results

TRUCRS Filing

ATD files the result with TRUCRS and tracks your next compliance window automatically.

Current CARB support

What's Included

✓
Timeline monitoring
Clean Truck Check schedule tracking for every vehicle
✓
Deadline alerts
30/14/7/1 day escalation before testing windows close
✓
TRUCRS support
Reporting and documentation assistance
✓
Filing assistance
Optional CARB filing and remediation coordination
Book Online
Schedule Your Appointment

Pick a date and time, fill in your info, and we'll confirm within one business day.

Appointment Details

What happens next

After You Book

  • We confirm your appointment within 1 business day
  • You'll receive a confirmation email with prep checklist
  • Bring vehicle roster and current CARB status documents
  • Testing takes 30-60 minutes per vehicle

Prefer to call?

Our team can help schedule around your operations.

Call (714) 751-3000

Need help choosing the right test window?

Call our team and we'll help sequence testing around your operations schedule.

Call (714) 751-3000 Send a Message