Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 689 (THEFT DETERRENT SYSTEM)
2006 Chevrolet Suburban K2500, 6.0 U
Section 689 (Theft Deterrent System)
2006 Chevrolet Suburban K2500, 6.0 USECTION Section 689 (Theft Deterrent System)
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Schematic and Routing Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Diagnostic Code Index
- Diagnostic Starting Point - Theft Deterrent
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B2947
- DTC B2948
- DTC B2957
- DTC B2958
- DTC B2960
- DTC B3031
- DTC B3033
- DTC P1626
- DTC P1631
- Symptoms - Theft Deterrent
- Content Theft Deterrent (CTD) Alarm Mode Inoperative
- Content Theft Deterrent (CTD) Does Not Disarm with Key Lock
- Horn Inoperative in Content Theft Deterrent (CTD) Alarm Mode
- Lights Inoperative in Content Theft Deterrent (CTD) Alarm Mode
- Security Indicator Always On or Flashing
- Security Indicator Inoperative
- Repair Instructions
- Description and Operation
- Theft Systems Description and Operation
- Content Theft Deterrent (CTD) Description and Operation
- Notes
- SECURITY Telltale
- Body Control Module (BCM)
- Door Latch (Door Jamb) Switches
- Door Key Switch
- Remote Control Door Lock Receiver Module System
- Off State
- Idle State
- Disarmed State
- Ready-To-Arm State
- Arm Initiated State
- Arm Delay State
- Armed State
- Alarmed State
- Remote Panic Alarm/Vehicle Locator State
- Disarming the System
- Deactivating the Alarm
- Alarm State Activation
- Return System to Arm Initiated State
- Ignition Switch Disarm Function
- Vehicle Theft Deterrent (VTD) Description and Operation
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.