Miller Mobile Fleet and RV Compliance
Clean Truck Check tester in Oak Hills, CA (San Bernardino County).
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
Miller Mobile Fleet and RV Compliance appears on CARB's public list of credentialed Clean Truck Check testers. It lists mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. Mobile testing means the tester can come to your yard or job site.
- Location
- 11026 El Centro Rd, Oak Hills, CA 92344
- County
- San Bernardino County
- Phone
- (307) 413-5135
- Mobile testing
- Yes — comes to your yard
- OBD testing
- Yes
- Smoke opacity (non-OBD)
- Yes
- Motorhomes
- Yes
- Credentialed testers
- 1
- Last verified
Call (307) 413-5135 Open in Google Maps
Before you call
- Have your VIN, odometer reading and plate number ready.
- Your vehicle must be registered in CTC-VIS and the annual compliance fee paid; the tester submits the result to CARB.
- Ask for the price per vehicle and any mobile trip fee. Typical published prices for an OBD test are $50–$135 per vehicle (see cost guide).
Which trucks Miller Mobile Fleet and RV Compliance can test
The test CARB requires depends on the engine's fuel and model year. Based on the services Miller Mobile Fleet and RV Compliance lists on CARB's tester list:
| 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |
Clean Truck Check testers in San Bernardino County
Miller Mobile Fleet and RV Compliance 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 Oak Hills itself there are 4 listed businesses, 4 of them mobile. All testers in San Bernardino County.
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. You can test up to 90 days before a deadline. Get a free email reminder before each one.
How to check a tester's credential
CARB publishes its Clean Truck Check tester list, where Miller Mobile Fleet and RV Compliance appears as of November 1, 2026. Listing there is optional, so a missing name does not always mean a tester is not credentialed. After the test, check that the passing result shows for your vehicle in CTC-VIS; that is what counts for compliance.
Frequently asked questions
Does Miller Mobile Fleet and RV Compliance offer mobile Clean Truck Check testing?
Yes. Miller Mobile Fleet and RV Compliance 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 Miller Mobile Fleet and RV Compliance test a 2012 or older diesel truck?
Yes. Miller Mobile Fleet and RV Compliance lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See OBD vs smoke opacity.
How much does Miller Mobile Fleet and RV Compliance charge for a Clean Truck Check?
Miller Mobile Fleet and RV Compliance has not published prices with us; call (307) 413-5135 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.
Is Miller Mobile Fleet and RV Compliance a CARB-credentialed tester?
Miller Mobile Fleet and RV Compliance 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 near Oak Hills
-
Cortez & Co LLC
- Mobile testing
- OBD test
- Motorhomes
-
DSB Cargo INC
- Mobile testing
- OBD test
-
FleetCrew INC..
- Mobile testing
- OBD test
- Smoke opacity
- Motorhomes
-
Jdmobile
- OBD test
-
Frank Cadilli
- Mobile testing
- OBD test
- Motorhomes
-
LH
- Mobile testing
- OBD test
Source: CARB's public Clean Truck Check tester list, last checked . Listing on CARB's list is optional for testers, so some credentialed testers are not shown. Services, hours and prices change; please confirm with the tester before you go. Something wrong? Send a correction.