---
title: "L5 Mobile Tech LLC — Clean Truck Check, Fallbrook, CA"
description: "L5 Mobile Tech LLC in Fallbrook, 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/l5-mobile-tech-llc-fallbrook/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# L5 Mobile Tech LLC

Clean Truck Check tester in Fallbrook, CA (San Diego 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 | 1133 E Mission Rd, Fallbrook, CA 92028 |
| County | San Diego County |
| Phone | (760) 626-8534 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks L5 Mobile Tech LLC 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 Am Auto Smog in Fallbrook, about 1 mile away. [See listing](https://ctcfinder.com/tester/am-auto-smog-fallbrook/).

## Clean Truck Check testers in San Diego County

L5 Mobile Tech LLC is one of 178 testing businesses in San Diego County on CARB's public tester list. 157 of them offer mobile testing and 91 do smoke opacity tests. In Fallbrook itself there are 5 listed businesses, 5 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 L5 Mobile Tech LLC offer mobile Clean Truck Check testing?

Yes. L5 Mobile Tech LLC 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 L5 Mobile Tech LLC test a 2012 or older diesel truck?

L5 Mobile Tech LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Am Auto Smog](https://ctcfinder.com/tester/am-auto-smog-fallbrook/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does L5 Mobile Tech LLC charge for a Clean Truck Check?

L5 Mobile Tech LLC has not published prices with us; call (760) 626-8534 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 L5 Mobile Tech LLC a CARB-credentialed tester?

L5 Mobile Tech LLC 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

- **[Am Auto Smog](https://ctcfinder.com/tester/am-auto-smog-fallbrook/)** — 4292 Rosa Rancho Ln, Fallbrook, CA 92028 — (760) 586-5023 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Cristian Francisco](https://ctcfinder.com/tester/cristian-francisco-fallbrook/)** — Fallbrook, CA 92028 — (760) 583-9230 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mission Automotive](https://ctcfinder.com/tester/mission-automotive-fallbrook/)** — 1557 South Mission Road, Fallbrook, CA 92028 — (760) 586-8265 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Smog Brothers](https://ctcfinder.com/tester/smog-brothers-fallbrook/)** — 119 W College St, Fallbrook, CA 92028 — (760) 828-1256 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Clean Truck Check Opacity/OBD](https://ctcfinder.com/tester/clean-truck-check-opacity-obd-temecula/)** — 42122 Rio Nedo Rd, Temecula, CA 92590 — (619) 971-9117 — 7 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Murrieta development company](https://ctcfinder.com/tester/murrieta-development-company-temecula/)** — 42540 Rio Nedo, Temecula, CA 92590 — (951) 386-9514 — 7 mi. Services: mobile testing, OBD testing, motorhome testing.