For 1990-2009 cars

#### Theft Deterrent Module Scan Tool Data Parameters

Parameter | Expected Value | Definition
--- | --- | ---
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 Reconnect | No | The scan tool displays Yes or No. Yes is displayed if the battery was recently reconnected.
Fleet Vehicle | No | The scan tool displays Yes or No. Yes is displayed if the vehicle is a fleet vehicle.
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.
Fuel Disable Timeout | No | The scan tool displays Yes or No. Yes is displayed if the fuel disable timed out.
Ignition Voltage Signal | Present | The scan tool displays Present or Not Present. Present is displayed if there is an ignition voltage signal to the TDM.
Immobilization | Inactive | The scan tool displays Active or Inactive. This is the state of the immobilizer system.
Immobilizer Programmed | Yes | The scan tool displays Yes or No. This is the state of the immobilizer system programming.
Incorrect VIN 1 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 2 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 3 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 4 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 5 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 6 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 7 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 8 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 9 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Incorrect VIN 10 | No Error | The scan tool displays Unknown, No Error, ECM/PCM, TCM, EBCM, DSCC, TBCM, ESCM, ASCM, BCM, BCM Aux., SDM, PPS, ROS, PIDM, IPC, DIC, HUD, Chime, Radio, Amp., CDX, RSA, DRR, Onstar, HVAC, RCC, DDM, PDM, LRDM, RRDM, LGM, PSDM, MSM, HVSM, RCDLR, SOD, TDM or SCLM. The module displayed has an incorrect VIN programmed into that module.
Learn Coded Key | No | The scan tool displays Yes or No.
Master Keys Learned | Varies | This displays Counts. This is the number of master keys learned by the TDM.
PCM Authentication Status | Valid | The scan tool displays Unknown, Incorrect, Negative or Valid. This is the state of the PCM authentication.
PCM Auto. Learn Timer | Inactive | The scan tool displays Active or Inactive. This is the current state of the ECM auto learn timer.
PCM Password Learning | Enabled | The scan tool displays Enabled or Disabled. This is the state of the password learning in the ECM.
PCM Release Status | Release | The scan tool displays Unknown, Post Release, Pre-Release or Release. This is the release status of the ECM.
Power Mode | Run | The scan tool displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch.
Powertrain DTC | No | The scan tool displays Yes or No. Yes is displayed if there is a powertrain DTC stored in the ECM or TCM.
Previous TDM State | Varies | The scan tool displays Asleep, Wakeup, Normal, Learn Passkey, Tamper, Monitor Key, Fail Pending, Fail Enabled, Lrn Keys Stdby, Learn More Keys, Learn Pending, Auto Learn, Auto. Lrn. Done, No Coded Key, Check Second Key, VIN Check or VIN Timer. This was the last state of the TDM.
Security Code Programmed | No | The scan tool displays Yes or No. Yes is displayed if a security code is programmed.
Start Disabled | No | The scan tool displays Yes or No. Yes is displayed if the starter is disabled.
Substitution Detection Status | Pass | The scan tool displays Pass or Fail. Pass is displayed if the TDM does not sense a module with incorrect VIN programming.
Tamper Status | Inactive | The scan tool displays Active or Inactive. This is the state of the tamper system.
TDM State | Varies | The scan tool displays Asleep, Wakeup, Normal, Learn Passkey, Tamper, Monitor Key, Fail Pending, Fail Enabled, Lrn Keys Stdby, Learn More Keys, Learn Pending, Auto Learn, Auto. Lrn. Done, No Coded Key, Check Second Key, VIN Check or VIN Timer. This was the last state of the TDM.
Telltale Status | Off | The scan tool displays On, Off, Flash or Invalid. This is the state of the security indicator.
Theft Problem | No | The scan tool displays Yes or No. Yes is displayed if there is a theft problem.
Total Keys Learned | Varies | This displays Counts. This is the number of total keys learned by the TDM.
Transponder Key | Present | The scan tool displays Present or Not Present. Present is displayed when a transponder is present. This does not mean that this is a valid or learned transponder, but only that a transponder is present.
Valid Key | Yes | The scan tool displays Yes or No. Yes is displayed if a valid key was used as monitored by the TDM.
Valid VIN | Yes | The scan tool displays Yes or No. Yes is displayed if the VIN is valid.
VIN Learned | Yes | The scan tool displays Yes or No. Yes is displayed if the VIN was learned.
VIN Message Received | Yes | The scan tool displays Yes or No. Yes is displayed if the VIN message is received