Smart Clean Truck Check

Automate Your CARB Clean Truck Check inspections

with our cost-effective plug-and-play solution

EASY INSTALLATION

Plugs Into OBD Port

  • Works with 2013 & newer vehicles

  • Works with most makes

  • Works with existing telematics & ELD devices

  • OBD cable included

UNLIMITED INSPECTIONS

Scheduled & On-Demand

  • Programmed with vehicle's test deadlines

  • On-demand tests for unscheduled inspections*

  • No need to visit Clean Truck Check smog shops

  • Works nationwide

CARB requires most vehicles to undergo two Clean Truck Check inspections per year, with additional tests needed for retests after failures or if an NST (Notice to Submit to Testing) letter is issued.

GUARANTEED

Service & Support

  • On-time inspection service guarantee

  • One year device warranty

  • Live support from CARB-credentialed HD I/M testers

CARB Clean Truck Check Testing for Diesel Vehicles

Smart CTC is the #1 AUTOMATED Clean Truck Check Solution

How Our Smart CTC Solution Works

  • Place an order and supply vehicle information (VIN, License Plate, and Registration Date)

  • We ship your device pre-programmed with your vehicle's periodic testing deadlines

  • You install the device by plugging it into the OBD port with included cable

  • Your periodic Clean Truck Check tests are performed on-time, automatically

  • Inspection results are submitted to CARB through our nationwide LTE cellular network

  • Request "on demand" testing for NST responses, or retesting after repairs

WORKS WITH 2013 & NEWER VEHICLES

Ford, RAM, Chevy, Freightliner, Kenworth, Mack, Peterbuilt, Isuzu, and more

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16-Pin OBD

Device & J1979 Cable

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9-Pin OBD

Device & J1939 Cable

Automated Clean Truck Check Inspections Compared to Manual Inspections

Automated Inspections

  • Programmed with inspection deadlines

  • No inspection appointments to schedule

  • Test under normal operating conditions

  • Unlimited Clean Truck Check tests

  • Free "on-demand" tests for NST Response

  • Free retests after failed tests or repairs

Manual Inspections

  • Tracking inspection deadlines required

  • Scheduling inspections required

  • Take trucks out of service to inspect

  • Pay for every test

  • Pay for NST response inspections

  • Pay for retesting after a failed inspection

A Notice to Submit to Testing (NST) is issued by CARB when a vehicle is flagged as a potential "high emitter" by a roadside emissions monitoring device. If you receive an NST, you must pass a Clean Truck Check inspection within 30 days to avoid a $5,000 fine.

Put your Clean Truck Check inspections on autopilot with our Smart CTC solution

How to Comply with Clean Truck Check?

Follow these three steps to get and stay CTC compliant

Create CTC Account

Go to the official California Air Resource Board's (CARB) Clean Truck Check website (CTC-VIS Portal) and create an account.

Download our step-by-step guide.

Pay Annual Fees

Once you have created your CTC-VIS account you will add your vehicle(s) and pay an annual fee of $30 per vehicle.

Get Periodic Testing

Use our Smart CTC solution to satisfy your periodic testing requirements. Semiannual tests are required in years 2025 and 2026. Beginning in 2027 quarterly inspections will be required.

FAQ About Clean Truck Check Inspections

What is a Clean Truck Check Inspection?

There are two types of Clean Truck Check Inspections:

On-board diagnostic (OBD II) inspections, and Opacity Visual Inspections (OVI), also known as "diesel smoke tests."

Model year 2013 and newer vehicles require OBD tests.

The OBD test pulls data stored in the engine control module to determine if the emissions components are functioning properly.

How often are Clean Truck Check inspections required?

CARB requires semiannual (two a year) Clean Truck Check inspections each year in 2025 and 2026. Quarterly inspections will be required in 2027 and beyond.

Deadlines for Clean Truck Check inspections are based on the date of registration renewal. The deadlines for vehicles registered outside of California (and CA vehicles with exempt plates) are based on the last digit of the VIN.

There are also unscheduled tests. For example, if a vehicle is flagged as a "high emitter" by a roadside sensor, CARB will issue a Notice to Submit to Testing (NST), requiring a Clean Truck Check inspection within 30 days under threat of a $5,000 fine. Retesting after failed inspections can also increase the number of inspections required each year.

Agricultural vehicles and motor homes only require one (1) Clean Truck Check inspection annually.

What are the penalties for non-compliance with Clean Truck Check?

Owners of non-compliant vehicles may face fines of $1,000 a day, per vehicle.

Failure to get a vehicle tested after receiving a Notice to Submit to Testing can result in a $5,000 fine.

DMV registration holds that block non-compliant vehicles from getting new tags.

How do you get Clean Truck Check inspections?

There are three ways to get Clean Truck Check inspections:

1) Use a CARB-credentialed 3rd party Clean Truck Check inspection service

2) Test your own vehicles, which requires taking a course, passing a test, and purchasing CARB-approved testing devices, subscribing to CARB-approved inspection software, and renewing your CARB credentials every two years.

3) Use our Smart CTC device and put your periodic inspections on autopilot. The device is programmed with your vehicle's mandatory testing deadlines and automatically submits the emissions data to CARB over our LTE cellular network. The device can also perform on-demand Clean Truck Check inspections for NST* responses, and retesting after failed tests.

Note: NST stands for Notice to Submit to Testing. These are triggered by roadside sensors that flag "high emitters." When an NST is received, owners must get a Clean Truck Check inspection within 30 days or be subject to a $5,000 fine.

Save time, save money, and eliminate your Clean Truck Check compliance headaches with our Smart CTC solution

Ready to put your periodic Clean Truck Check inspections on autopilot with our Smart CTC solution?

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