Immobilizer for HUMMER H3 2009

All Description and Operation

• Immobilizer Description and Operation

Cleaning, Inspection, and Adjustment

• Adding Keys
• Immobilizer System Component Programming
• Replacing Keys

Diagnostic Procedures

• Diagnostic Starting Point - Immobilizer

Diagnostic Trouble Codes

• DTC B2957, B2958, B2960, or B3033
• DTC B3031
• DTC B3055
• DTC B3060
• DTC B3935
• DTC B3976
• DTC P1630
• DTC P1631

Electrical/Electronic Schematic Diagrams

• Immobilizer Schematics