---
title: "Next GEN Clean Truck Check — Clean Truck Check, Upland, CA"
description: "Next GEN Clean Truck Check in Upland, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers."
url: "https://ctcfinder.com/tester/next-gen-clean-truck-check-upland/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Next GEN Clean Truck Check

Clean Truck Check tester in Upland, 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 | 555 Alpine St #A, Upland, CA 91786 |
| County | San Bernardino County |
| Phone | (626) 622-5438 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Next GEN Clean Truck Check 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 | Not listed |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Stephen Tober in Upland, about 1 mile away. [See listing](https://ctcfinder.com/tester/stephen-tober-upland/).

## Clean Truck Check testers in San Bernardino County

Next GEN Clean Truck Check 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 Upland itself there are 7 listed businesses, 4 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 Next GEN Clean Truck Check offer mobile Clean Truck Check testing?

Yes. Next GEN Clean Truck Check 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 Next GEN Clean Truck Check test a 2012 or older diesel truck?

Next GEN Clean Truck Check does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Stephen Tober](https://ctcfinder.com/tester/stephen-tober-upland/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Next GEN Clean Truck Check charge for a Clean Truck Check?

Next GEN Clean Truck Check has not published prices with us; call (626) 622-5438 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 Next GEN Clean Truck Check a CARB-credentialed tester?

Next GEN Clean Truck Check 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

- **[Allen Halbert](https://ctcfinder.com/tester/allen-halbert-upland/)** — Upland, CA 91786 — (909) 222-7009 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Carlos N/A](https://ctcfinder.com/tester/carlos-n-a-upland/)** — 154 W Foothill Blvd, Upland, CA 91786 — (909) 767-1720 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Foothill Quicky smog](https://ctcfinder.com/tester/foothill-quicky-smog-upland/)** — 2016 W Foothill Blvd, Upland, CA 91786 — (626) 343-6623 — 1 mi. Services: OBD testing, motorhome testing.
- **[Foothill Quicky Smog](https://ctcfinder.com/tester/foothill-quicky-smog-upland-2/)** — 2016 W Foothill Blvd Suite B, Upland, CA 91786 — (760) 524-4254 — 1 mi. Services: OBD testing, motorhome testing.
- **[Foothill Quicky Smog 2](https://ctcfinder.com/tester/foothill-quicky-smog-2-upland/)** — 903 N Central Ave F, Upland, CA 91786 — (909) 969-4443 — 1 mi. Services: OBD testing, motorhome testing.
- **[Stephen Tober](https://ctcfinder.com/tester/stephen-tober-upland/)** — Upland, CA 91786 — (909) 294-4381 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.