---
title: "Jim Acker — Clean Truck Check, San Martin, CA | CTC Finder"
description: "Jim Acker in San Martin, 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/jim-acker-san-martin/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Jim Acker

Clean Truck Check tester in San Martin, CA (Santa Clara 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 | San Martin, CA 95046 |
| County | Santa Clara County |
| Phone | (408) 710-6078 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Jim Acker 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 CA Truck Compliance Group in San Martin, about 1 mile away. [See listing](https://ctcfinder.com/tester/ca-truck-compliance-group-san-martin/).

## Clean Truck Check testers in Santa Clara County

Jim Acker is one of 79 testing businesses in Santa Clara County on CARB's public tester list. 67 of them offer mobile testing and 27 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 Jim Acker offer mobile Clean Truck Check testing?

Yes. Jim Acker 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 Jim Acker test a 2012 or older diesel truck?

Jim Acker does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [CA Truck Compliance Group](https://ctcfinder.com/tester/ca-truck-compliance-group-san-martin/) (about 1 mile). Trucks from 2013 on get an OBD scan instead.

### How much does Jim Acker charge for a Clean Truck Check?

Jim Acker has not published prices with us; call (408) 710-6078 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 Jim Acker a CARB-credentialed tester?

Jim Acker 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

- **[CA Truck Compliance Group](https://ctcfinder.com/tester/ca-truck-compliance-group-san-martin/)** — 40 E San Martin Ave, San Martin, CA 95046 — (408) 360-7700 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Caddell Fleet Services](https://ctcfinder.com/tester/caddell-fleet-services-morgan-hill/)** — 16160 Church St, Morgan Hill, CA 95037 — (408) 599-9295 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Cali Smoke Testing](https://ctcfinder.com/tester/cali-smoke-testing-morgan-hill/)** — 2505 Pinto Ct, Morgan Hill, CA 95037 — (408) 427-2236 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Direct Fleet Scan](https://ctcfinder.com/tester/direct-fleet-scan-morgan-hill/)** — 305 Vineyard Town Ctr, Morgan Hill, CA 95037 — (408) 710-6489 — 5 mi. Services: mobile testing, OBD testing.
- **[Jose Gonzalez Sandoval](https://ctcfinder.com/tester/jose-gonzalez-sandoval-morgan-hill/)** — Morgan Hill, CA 95037 — (707) 430-1829 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Morgan Hill Smog](https://ctcfinder.com/tester/morgan-hill-smog-morgan-hill/)** — 195 San Pedro Ave Suite C 5, Morgan Hill, CA 95037 — (408) 763-1903 — 5 mi. Services: mobile testing, OBD testing.