---
title: "Cody's Clean Truck Check — Clean Truck Check, Grass Valley, CA"
description: "Cody's Clean Truck Check in Grass Valley, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address…"
url: "https://ctcfinder.com/tester/codys-clean-truck-check-grass-valley/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Cody's Clean Truck Check

Clean Truck Check tester in Grass Valley, CA (Nevada 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 | 780 Whispering Pines Ln, Grass Valley, CA 95945 |
| County | Nevada County |
| Phone | (530) 277-5833 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Cody's 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 | Yes |

For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Quentin Turek in Colfax, about 8 miles away. [See listing](https://ctcfinder.com/tester/quentin-turek-colfax/).

## Clean Truck Check testers in Nevada County

Cody's Clean Truck Check is one of 8 testing businesses in Nevada County on CARB's public tester list. 5 of them offer mobile testing and 5 do smoke opacity tests.

## 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 Cody's Clean Truck Check offer mobile Clean Truck Check testing?

Yes. Cody's 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 Cody's Clean Truck Check test a 2012 or older diesel truck?

Cody's Clean Truck Check does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Quentin Turek](https://ctcfinder.com/tester/quentin-turek-colfax/) (about 8 miles). Trucks from 2013 on get an OBD scan instead.

### How much does Cody's Clean Truck Check charge for a Clean Truck Check?

Cody's Clean Truck Check has not published prices with us; call (530) 277-5833 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 Cody's Clean Truck Check a CARB-credentialed tester?

Cody's 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

- **[Palmer Enterprises Truck & Auto Repair LLC](https://ctcfinder.com/tester/palmer-enterprises-truck-and-auto-repair-llc-grass-valley/)** — 11352 E Bennett Rd, Grass Valley, CA 95945 — (530) 272-3439 — 1 mi. Services: OBD testing.
- **[North State Mobile Solutions](https://ctcfinder.com/tester/north-state-mobile-solutions-colfax/)** — 1 N Main St, Colfax, CA 95713 — (916) 345-4847 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[NorthState Mobile Smoke Testing](https://ctcfinder.com/tester/northstate-mobile-smoke-testing-colfax/)** — 1125 Dallimore Rd, Colfax, CA 95713 — (916) 628-9061 — 8 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Quentin Turek](https://ctcfinder.com/tester/quentin-turek-colfax/)** — Colfax, CA 95713 — (916) 472-4130 — 8 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[JTS truck and equipment repair inc](https://ctcfinder.com/tester/jts-truck-and-equipment-repair-inc-rough-and-ready/)** — 17268 Cattle Dr, Rough and Ready, CA 95975 — (530) 615-1219 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Williams Heavy Equipment](https://ctcfinder.com/tester/williams-heavy-equipment-auburn/)** — 10556 Combie Rd #6437, Auburn, CA 95949 — (530) 913-6597 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.