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Mobile Fleet Clean Truck Check (HD I/M) Testing — We Come to Your Yard
- On-site testing for multiple vehicles – Every project starts with a detailed walkthrough and transparent plan — no surprises, just solutions.
- Fast, accurate, CARB-compliant results.
- Minimal downtime — keep your fleet moving.
CARB-certified HD I/M testing for commercial fleets, logistics companies, construction operations, and municipal agencies.
Keep Your Entire Fleet CARB-Compliant — Without Taking Trucks Off the Road
At SD County Clean Truck Check, we specialize in mobile fleet emissions testing as part of California’s Clean Truck Check (HD I/M) program.
Instead of sending trucks to a testing center, our certified technician comes directly to your fleet yard, saving you time, fuel, and operational downtime.
Whether you manage 3 trucks or 300+, we ensure your entire fleet stays compliant, efficient, and road-ready.
Services
Clean Truck Check Services We Provide
We provide a wide range of electrical solutions to meet your unique needs. We pride ourselves on delivering reliable. Our services include:
On-Site Fleet Testing
We test every vehicle at your yard or jobsite — no travel required.
Fast, Efficient Multi-Vehicle Workflow
We perform tests in sequence, keeping your operations running smoothly.
Digital HD I/M Results
All results are submitted electronically to CARB, with copies sent to you.
Fleet Compliance Review
We help you understand upcoming deadlines and reporting requirements.
Scheduled Periodic Testing
Quarterly, semi-annual, or annual programs available.
Flexible Appointment Times
Early morning, late evening, or weekend availability for busy operations.
Recommended by Industry Leaders
Trusted EV Charger Installation Partner to Premier Brands
smidealelectricinc makes going electric easy
How Clean Truck Check Testing Works
1. How many trucks can you test in one appointment?
We can test as many trucks as your fleet needs. For large fleets, we schedule multi-hour or multi-day on-site testing to minimize disruption.
2. Do you come directly to our fleet yard or jobsite?
Yes. Our service is 100% mobile — we perform all Clean Truck Check (HD I/M) testing at your fleet yard, jobsite, or company location.
3. How long does testing take per vehicle?
Most HD I/M tests take 10–20 minutes per truck, depending on accessibility and engine type.
4. Will testing disrupt our operations?
No. Your trucks stay on-site and available. We test vehicles in sequence to ensure minimal downtime and no interruption to dispatching.
5. What do we need to prepare before fleet testing?
We only need:
Trucks parked and accessible
Keys available
VIN plates visible
A fleet contact on-site
Everything else is handled by our technician.
We handle the rest.
6. Do you provide CARB-compliant digital submissions?
Yes. All results are submitted electronically to CARB, and your fleet manager receives a copy for internal records.
7. Can you help us keep track of upcoming testing deadlines?
Absolutely. We offer periodic testing reminders, compliance tracking, and scheduled annual or semi-annual programs for fleets.
8. What happens if one of our trucks fails the test?
We provide a detailed failure report and assist you in understanding what repairs are needed. Once fixed, we can return for a retest.
9. Are you CARB-certified for HD I/M fleet testing?
Yes. All testing is performed by a CARB Clean Truck Check–certified technician using approved diagnostic equipment.
10. Do you work with municipal, government, rental, or mixed fleets?
Yes. We serve:
Commercial fleets
Government fleets
Rental trucks
Public works & utility fleets
Construction & logistics operations
Mixed or multi-location fleets
11. Do out-of-state fleet vehicles need Clean Truck Check testing?
Yes. Any truck operating in California — even temporarily — must complete HD I/M testing.
12. How do we schedule fleet testing?
You can call us, email us, or request a booking online. We offer flexible scheduling, including early morning, late evening, and multi-day fleet appointments.
Why Fleets Choose SD County Clean Truck Check
- CARB-Certified Technician
- Save time & reduce downtime
- Accurate on-site testing with certified diagnostics
- Streamlined scheduling for multiple vehicles
- Fleet-friendly pricing
- Trusted by owner-operators and commercial fleets
Our Cities
We Service these Areas
Ready to Schedule Fleet Testing?
Call (760) 644-0329 or schedule online today.