For 1990-2009 cars

#### Theft Deterrent Module Scan Tool Data Parameters

Parameter | System State | Expected Value | Definition
--- | --- | --- | ---
Operating Conditions: Ignition ON
Auto Learn Counter | -- | Varies | This displays counts. The scan tool indicates the current portion of the auto learn cycle the TDM is in.
Auto. Learn Timer | -- | Varies | This displays minutes. The scan tool displays the number of minutes remaining in the auto learn cycle.
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 | -- | Yes | The scan tool displays Yes or No. The scan tool displays Yes when vehicle starting has been allowed.
Fuel Disable Ignition Off | -- | No | The scan tool displays Yes or No. The scan tool displays Yes when fuel disable has been initiated and vehicle operation is not allowed.
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 to the TDM.
No. of Learned Key Codes | -- | Varies | The scan tool displays the number of learned keys.
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 vehicle starting 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.