LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2018 >> XT5 Base, 4WD >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC P1631 >> Reference Information
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Reference Information

Schematic Reference

Immobilizer Wiring Schematics 

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX

Master Electrical Component List

Description and Operation

Immobilizer Description and Operation 

Electrical Information Reference

Scan Tool Reference

Control Module References for scan tool information