Official California emissions scans delivered directly to your yard, depot, or location—serving 1 to 100+ trucks.
Clean Diesel Compliance Solutions LLC (CDCS) is a specialized mobile and on-site commercial fleet compliance provider operating from Sacramento to Bakersfield. We deliver official California Air Resources Board (CARB) Clean Truck Check (CTC) OBD emissions testing, pre-check diagnostic scans, fault code analysis, and automated fleet reporting. We have your best interest saving your Time, Money and efforts along the way.
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Submitting a failed Clean Truck Check (CTC) test to CARB triggers an automatic 30-day clock, forcing urgent repairs under state deadline pressure. Our CDCS Pre-Check Diagnostic Scan acts as your proactive safety net by pre-analyzing your OBD data before state submission. By anticipating CARB’s criteria, Pre-Check gives you complete control over your HD/IM compliance—allowing you to identify and fix issues on your own timeline, avoid costly emergency repairs, and protect your bottom line.
Catch hidden faults before CARB does, keeping your official state record clean and preventing costly DMV registration holds.
Avoid the strict, high-pressure 30-day CARB repair window triggered by a failed official test by diagnosing and fixing issues stress-free.
Plan maintenance on your regular schedule rather than paying rush rates to meet strict state deadlines.
Get a complete report on DTCs, monitor readiness, warm-up cycles, and exact failure causes so technicians can fix issues immediately.
Experience a fast, 100% electronic OBD diagnostic process that keeps your trucks on the road making money.
Guarantee a passing result before official data reaches CARB, making HD/IM compliance completely hassle-free.
Designed for enterprise logistics yards or independent owner-operators needing rapid mobile dispatch.
Owner-Operator & Small Fleets
On-demand mobile dispatch right to your location, yard, or depot for fast, hassle-free testing to keep you on the road.
Corporate Fleet Division
Comprehensive scheduled yard testing and automated compliance tracking for large-scale commercial operations.
Direct dispatch lines for California's major trucking routes and industrial zones.
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CDCS wants you to be informed and educated to take informed decisions regarding California heavy-duty compliance.