---
title: "Carb Compliance Checkers — Clean Truck Check, Tracy, CA"
description: "Carb Compliance Checkers in Tracy, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and…"
url: "https://ctcfinder.com/tester/carb-compliance-checkers-tracy/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Carb Compliance Checkers

Clean Truck Check tester in Tracy, CA (San Joaquin County).

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | 2609 Cranston Ct, Tracy, CA 95377 |
| County | San Joaquin County |
| Phone | (510) 378-8058 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Carb Compliance Checkers can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is All star smog in Tracy, about 1 mile away. [See listing](https://ctcfinder.com/tester/all-star-smog-tracy/).

## Clean Truck Check testers in San Joaquin County

Carb Compliance Checkers is one of 124 testing businesses in San Joaquin County on CARB's public tester list. 111 of them offer mobile testing and 53 do smoke opacity tests. In Tracy itself there are 21 listed businesses, 20 of them mobile.

## When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Carb Compliance Checkers offer mobile Clean Truck Check testing?

Yes. Carb Compliance Checkers says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can Carb Compliance Checkers test a 2012 or older diesel truck?

Carb Compliance Checkers does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [All star smog](https://ctcfinder.com/tester/all-star-smog-tracy/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Carb Compliance Checkers charge for a Clean Truck Check?

Carb Compliance Checkers has not published prices with us; call (510) 378-8058 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is Carb Compliance Checkers a CARB-credentialed tester?

Carb Compliance Checkers appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[All star smog](https://ctcfinder.com/tester/all-star-smog-tracy/)** — 3402 Mars Ct Suite 106, Tracy, CA 95377 — (209) 640-1524 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Bihala Fleet Management Inc](https://ctcfinder.com/tester/bihala-fleet-management-inc-tracy/)** — 205 Gandy Dancer Dr, Tracy, CA 95377 — (209) 884-7258 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Bret Cryer](https://ctcfinder.com/tester/bret-cryer-tracy/)** — Tracy, CA 95377 — (925) 922-5346 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Kutch Mobile Service](https://ctcfinder.com/tester/kutch-mobile-service-tracy/)** — 16866 Midway Rd, Tracy, CA 95377 — (925) 922-2327 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Pavan Kataria](https://ctcfinder.com/tester/pavan-kataria-tracy/)** — Tracy, CA 95377 — (510) 456-8213 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Sarah Sahota-Dhillon](https://ctcfinder.com/tester/sarah-sahota-dhillon-tracy/)** — Tracy, CA 95377 — (925) 216-0137 — 1 mi. Services: mobile testing, OBD testing.