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.
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HOMESERVICE MANUALSISUZU2006ASCENDER S, 5.3 M, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 555 (VEHICLE DIAGNOSTIC INFORMATION)SPECIFICATIONSTHEFT DETERRENT MODULE SCAN TOOL INFORMATION
2006 Isuzu Ascender S, 5.3 M, 4WD
Theft Deterrent Module Scan Tool Information
2006 Isuzu Ascender S, 5.3 M, 4WDSECTION Theft Deterrent Module Scan Tool Information
WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Theft Deterrent Module Scan Tool Data Parameters
| Parameter | System State | Expected Value | Description |
|---|---|---|---|
| Operating Conditions: Ignition ON | |||
| Auto Learn Counter | __ | Varies | This displays Counts. This is the number of times the auto learn procedure was carried out by the TDM. |
| Auto. Learn Timer | __ | Varies | This displays minutes. This is the amount of minutes the TDM took to auto learn. |
| Battery Voltage | __ | Varies | The scan tool displays Volts |
| Dash Mode | __ | Off | The scan tool displays On or Off. |
| Export Mode | __ | Off | The scan tool displays On or Off. The scan tool displays On if the TDM is configured as an export TDM. |
| First Key Flag | __ | Off | The scan tool displays On or Off. |
| Fuel Continue | __ | No | The scan tool displays Yes or No. |
| Fuel Disable Ignition Off | __ | Yes | The scan tool displays Yes or No. Yes is displayed if the fuel is disabled during ignition OFF. |
| Ignition Counter | __ | Varies | The scan tool displays the number of ignition cycles. |
| Ignition Voltage | __ | Varies | The scan tool displays Volts. |
| Manufacturers Enable Counter | __ | Varies | The scan tool displays the current ignition cycle status of the MEC. |
| Master Keys Learned | __ | Varies | This displays Counts. This is the number of master keys learned by the TDM. |
| Report Password | __ | Off | The scan tool displays On or Off. |
| Start Disabled | __ | No | The scan tool displays Yes or No. Yes is displayed if the starter is disabled. |
| Tamper Flag | __ | Off | The scan tool displays On or Off. The scan tool will display On when tampering of the TDM is detected. |
| Two Good Keys Flag | __ | Off | The scan tool displays On or Off. The scan tool displays On when two valid master keys are required to perform the Adding Keys procedure. |
| Valet Flag | __ | Off | The scan tool displays On or Off. The scan tool displays On when valet mode is enabled. |
| VTD Fail Enable | __ | Off | The scan tool displays On or Off. The scan too displays Yes when the TDM has detected a fault after a valid password has been received. |
| VTD States | __ | Varies | The scan tool displays Ignition Off, Normal Decision, Learn First Key, Tamper, Monitor Key, Fail Enable, Fail Pending, Learn More Keys, Seedkey Lrn Pend, Seedkey Learn, Auto Learn Pend, Auto Learn, Wakeup, No Coded Key, Check Second Key, Auto Learn Done, VIN Check, or VIN Timer. |
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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.