Contact Information for Software Upgrade for Diesel Trucks

This page last reviewed May 31, 2011

This page contains contact information for staff knowledgable about the Software Upgrade for Diesel Trucks Program.

Contacts

Lisa Jennings (916-322-6913) or
Earl Landberg (916-323-1384)

P.O. Box 2815
Sacramento, CA 95812-2815

For general information, please call ARB's toll free number, 1-800-END-SMOG / (800) 363-7664 (California only) or (800) 242-4450.