---
title: "SmithTruckRepair — Clean Truck Check, Corning, CA"
description: "SmithTruckRepair in Corning, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/smithtruckrepair-corning/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# SmithTruckRepair

Clean Truck Check tester in Corning, CA (Tehama 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 | 23050 Sacramento Rd, Corning, CA 96021 |
| County | Tehama County |
| Phone | (530) 424-0888 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks SmithTruckRepair 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 McCURDY'S TRUCK REPAIR, INC in Corning, about 1 mile away. [See listing](https://ctcfinder.com/tester/mccurdys-truck-repair-inc-corning/).

## Clean Truck Check testers in Tehama County

SmithTruckRepair is one of 11 testing businesses in Tehama County on CARB's public tester list. 7 of them offer mobile testing and 6 do smoke opacity tests. In Corning itself there are 4 listed businesses, 2 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 SmithTruckRepair offer mobile Clean Truck Check testing?

Yes. SmithTruckRepair 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 SmithTruckRepair test a 2012 or older diesel truck?

SmithTruckRepair does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [McCURDY'S TRUCK REPAIR, INC](https://ctcfinder.com/tester/mccurdys-truck-repair-inc-corning/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does SmithTruckRepair charge for a Clean Truck Check?

SmithTruckRepair has not published prices with us; call (530) 424-0888 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 SmithTruckRepair a CARB-credentialed tester?

SmithTruckRepair 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

- **[McCURDY'S TRUCK REPAIR, INC](https://ctcfinder.com/tester/mccurdys-truck-repair-inc-corning/)** — 23162 South Ave, Corning, CA 96021 — (530) 824-3810 — 1 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Mistie Cunningham](https://ctcfinder.com/tester/mistie-cunningham-corning/)** — Corning, CA 96021 — (530) 209-1402 — 1 mi. Services: not listed.
- **[Sohal Diesel Repair](https://ctcfinder.com/tester/sohal-diesel-repair-corning/)** — 3525 Highway 99 W, Corning, CA 96021 — (530) 670-9090 — 1 mi. Services: mobile testing, OBD testing.
- **[Beckham Fabrication and Repair](https://ctcfinder.com/tester/beckham-fabrication-and-repair-orland/)** — 7559 State Highway 32, Orland, CA 95963 — (530) 433-4441 — 12 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mikes Mobile Diesel Smog Check](https://ctcfinder.com/tester/mikes-mobile-diesel-smog-check-orland/)** — 6721 County Road 20, Orland, CA 95963 — (530) 519-5670 — 12 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ryan Karr](https://ctcfinder.com/tester/ryan-karr-orland/)** — Orland, CA 95963 — (530) 521-1202 — 12 mi. Services: mobile testing, OBD testing, motorhome testing.