---
title: "Jacob LaCroix — Clean Truck Check, Phelan, CA | CTC Finder"
description: "Jacob LaCroix in Phelan, CA is on CARB's Clean Truck Check tester list.  Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/jacob-lacroix-phelan/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Jacob LaCroix

Clean Truck Check tester in Phelan, CA (San Bernardino 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 | Phelan, CA 92371 |
| County | San Bernardino County |
| Phone | (760) 822-4170 |
| Mobile testing | No |
| OBD testing | No |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Jacob LaCroix can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is High Desert Mechanical Services in Phelan, about 1 mile away. [See listing](https://ctcfinder.com/tester/high-desert-mechanical-services-phelan/).

If you need a tester at your yard, the nearest listed tester that offers mobile testing is High Desert Mechanical Services in Phelan, about 1 mile away. [See listing](https://ctcfinder.com/tester/high-desert-mechanical-services-phelan/).

## Clean Truck Check testers in San Bernardino County

Jacob LaCroix is one of 277 testing businesses in San Bernardino County on CARB's public tester list. 243 of them offer mobile testing and 98 do smoke opacity tests. In Phelan itself there are 3 listed businesses, 1 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 Jacob LaCroix offer mobile Clean Truck Check testing?

Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [High Desert Mechanical Services](https://ctcfinder.com/tester/high-desert-mechanical-services-phelan/) (about 1 mile).

### Can Jacob LaCroix test a 2012 or older diesel truck?

Jacob LaCroix does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [High Desert Mechanical Services](https://ctcfinder.com/tester/high-desert-mechanical-services-phelan/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Jacob LaCroix charge for a Clean Truck Check?

Jacob LaCroix has not published prices with us; call (760) 822-4170 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 Jacob LaCroix a CARB-credentialed tester?

Jacob LaCroix 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

- **[High Desert Mechanical Services](https://ctcfinder.com/tester/high-desert-mechanical-services-phelan/)** — 5383 Duncan Rd, Phelan, CA 92371 — (909) 556-5413 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Phelan Express](https://ctcfinder.com/tester/phelan-express-phelan/)** — 9446 Sheep Creek Rd, Phelan, CA 92371 — (760) 868-4455 — 1 mi. Services: OBD testing, motorhome testing.
- **[Landmax Services LLC](https://ctcfinder.com/tester/landmax-services-llc-pinon-hills/)** — 515 Palmdale Rd, Pinon Hills, CA 92372 — (775) 990-2036 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Plan b auto repair](https://ctcfinder.com/tester/plan-b-auto-repair-pinon-hills/)** — 1820 Danbury Rd, Pinon Hills, CA 92372 — (626) 664-4558 — 5 mi. Services: mobile testing, OBD testing.
- **[Akaal](https://ctcfinder.com/tester/akaal-victorville/)** — 12350 Ojo Caliente St, Victorville, CA 92392 — (442) 229-3740 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Christine Shelton](https://ctcfinder.com/tester/christine-shelton-victorville/)** — Victorville, CA 92392 — (909) 277-1916 — 8 mi. Services: mobile testing, OBD testing.