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.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1044 (IMMOBILIZER SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2006 Chevrolet Suburban C2500, 6.0 U
Scan Tool Data List
2006 Chevrolet Suburban C2500, 6.0 USECTION Scan Tool Data List
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Theft LED | Theft Data | On/Off | Off |
Engine Control Module (ECM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| ECM Authentication Status | Engine Electrical | Unknown/Incorrect/Negative/Valid | Valid |
| ECM Challenge Status | Engine Electrical | Valid/Invalid | Valid |
| ECM Response Source | Engine Electrical | Normal/Remote Start | Normal |
| VTD Auto Learn Counter | Engine Electrical | Counts | Varies |
| VTD Auto Learn Timer | Engine Electrical | Active/Inactive | Inactive |
| VTD Password Learn Enabled | Engine Electrical | Yes/No | No |
| VTD Security Code Accepted | Engine Electrical | Yes/No | Yes |
| VTD Security Code Lockout | Engine Electrical | Active/Inactive | Inactive |
| VTD Security Code Programmed | Engine Electrical | Yes/No | Yes |
| VTD Security Info Programmed | Engine Electrical | Yes/No | Yes |
| VTD System Status | Engine Electrical | Standby/Fuel Disable/Dis. No Resp./Dis. Neg. Resp./Dis. Incor. Resp./Post Release/Pre-Release/Released | Released |
Theft Deterrent Module (TDM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Operating Conditions: Ignition ON, Engine OFF | |||
| Auto Learn Counter | TDM Data | Counts | Varies |
| Auto Learn Timer | TDM Data | Minutes | Varies |
| Battery Reconnect | TDM Data | Yes/No | No |
| Ignition Voltage Signal | TDM Data | Present/Not Present | Present |
| Immobilization | TDM Data | Active/Inactive | Inactive |
| Immobilizer Programmed | Powertrain Status | Yes/No | Yes |
| Master Keys Learned | Learn Key Data | Counts | Varies |
| PCM Auto Learn Timer | Powertrain Status | Active/Inactive | Inactive |
| PCM Password Learning | Powertrain Status | Disabled/Enabled | Disabled |
| Power Mode | TDM Data | Off/Accessory/Run/Crank Request | Run |
| Powertrain DTC | Powertrain Status | Yes/No | No |
| Previous TDM State | TDM Data | Asleep/Wakeup/Normal/Learn Passkey/Tamper/Monitor Key/Fail Pending/Lrn Keys Stdby/Learn More Keys/Learn Pending/Auto Learn/Auto Lrn Done/No Coded Key | Varies |
| Security Code Programmed | Powertrain Status | Yes/No | Yes |
| Start Disabled | TDM Data | Yes/No | No |
| Telltale Status | TDM Data | Off/On/Flash/Invalid | Off |
| Tamper Status | TDM Data | Active/Inactive | Inactive |
| TDM State | TDM Data | Asleep/Wakeup/Normal/Learn Passkey/Tamper/Monitor Key/Fail Pending/Lrn Keys Stdby/Learn More Keys/Learn Pending/Auto Learn/Auto Lrn Done/No Coded Key | Normal |
| Theft Problem | TDM Data | Yes/No | No |
| Total Keys Learned | Learn Key Data | Counts | Varies |
| Transponder Key | Learn Key Data | Present/Not Present | Present |
| Valid Key | Learn Key Data | Yes/No | Yes |
| VIN Message Received | TDM Data | Yes/No | Yes |
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.