LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2009 >> CTS V, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 344 (Data Communication System) >> Diagnostic Information and Procedures >> Scan Tool Does Not Communicate with Keyword Data Line >> Repair Procedures
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Repair Procedures

WARNING: This page is about a different car, the 2009 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for CCSM replacement, setup, and programming