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 MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 96 (VEHICLE DIAGNOSTIC INFORMATION - SCAN TOOL DATA (2 OF 2))SCAN TOOL DATAK36 INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE: SCAN TOOL INFORMATION
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol
K36 Inflatable Restraint Sensing and Diagnostic Module: Scan Tool Information
2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION K36 Inflatable Restraint Sensing and Diagnostic Module: Scan Tool Information
WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.
Sensing and Diagnostic Module Scan Tool Data Parameters
| Parameter | Expected Value | Definition |
|---|---|---|
| Operating Conditions: Ignition ON | ||
| Air Bag Malfunction Indicator | On/Off/Flashes | The scan tool will display On or Flashes if there is a problem with the SIR system. Any problems within the SIR system will illuminate the air bag indicator. The indicator will either flash or stay on. |
| Base Model Part Number | Varies, 8 Digit Number | The scan tool displays the part number of the SDM which is stored in non volatile memory. |
| Calibration Part Number | Varies, 8 Digit Number | The scan tool displays the part number of the calibration file in the SDM. |
| Deployment Loop 1-18 Enable Status | Enabled/Disabled | The scan tool displays Enabled or Disabled. This is the status of the air bag or pretensioner. |
| Deployment Loop 1-18 Learn Status | Learned/Not Learned | The scan tool displays Learned or Not learned. Learned is displayed if the SDM has defined the number loop programmed from an air bag or pretensioner. |
| Deployment Loop 1-18 Resistance | 1.44 - 4.25 Ohms | The scan tool displays the resistance of the learned loop of the air bag or pretensioner when connected to the SDM. |
| Deployment Loop 1-18 Type | Varies | The scan tool displays the name of the air bag or pretensioner associated with the loop type 1 - 18. |
| Driver Seat Belt Reminder Indicator | On/Off | The scan tool displays On if this indicator is on. If the indicator is on it means the seat belt has not been buckled. |
| Driver Seat Belt Status | Buckled/Unbuckled | The scan tool displays Buckled or Unbuckled. This is the state of the driver seat belt switch when the seat belt is buckled or unbuckled. |
| End Model Part Number | Varies, 8 Digit Number | The scan tool displays the part number of the SDM in production. |
| Impact Sensor 1-3 Enable Status | Enabled/Disabled | The scan tool displays Enabled or Disabled This is the status of the impact sensor. |
| Impact Sensor 1-3 Learn Status | Learned/Not Learned | The scan tool displays Learned or Not learned. Learned is displayed if the SDM has learned and has assigned a number to that impact sensor. |
| Impact Sensor 1-3 Type | Equipped/Not Equipped | The scan tool displays the name of the impact sensor associated with the type 1 - 8. |
| Inflatable Restraint Sensing and Diagnostic Module Primary Key | Hex Value | The scan tool indicates the primary key Hex value. |
| Manufacturer's Traceability Number | Varies, 16 Digit Number | The scan tool displays the 16 digit traceability number in the SDM. |
| Module Setup | Incomplete/Complete | The scan tool indicates if the SDM is set up. |
| Power Mode | Off/Accessory/Run/Crank Request | The scan tool will display the power mode of the vehicle. |
| Primary Key Status | Valid/Invalid | The scan tool displays Valid if the primary key matches what is stored to memory in the SDM. |
| Primary Key Status Last Ignition Cycle | Invalid/Valid | The SDM checks to see if the primary key data received is valid. |
| Received Primary Key | Hex Value | The scan tool displays a Hex value indicating the SDM received primary key data. |
| Rollover Sensor Enable Status | Disabled/Enabled | The scan tool displays if the rollover sensor is enabled to the SDM. |
| Rollover Sensor Learn Status | Learn/Unlearn | The scan tool displays Learned or Not Learned. Learned is displayed if the rollover sensor has been learned by the SDM. |
| Security Code Accepted | Yes/No | The SDM either accepts the security code or it does not. The scan tool displays Yes if the security code has been accepted by the SDM. |
| Security Code Lockout | Yes/No | The scan tool displays Yes if the SDM has been locked out because of the security code not being accepted. |
| Security Code Lockout Active Timer | Random Value | The SDM uses a timer before the security code is locked in the SDM. |
| Security Code Programmed | Yes/No | The scan tool displays Yes if the SDM has been programmed with the security code. |
| Security Code Programming Counter | Random Value | The SDM uses a counter for the value of the security code programming. |
| Security Code Reset Counter | Random Value | The SDM uses a counter to reset the value of the security code. |
| Software Part Number | Varies, 8 Digit Number | The scan tool displays the software part number in the SDM. |
| Vehicle Identification Number | Varies, 17 Digit Number | The VIN number of the vehicle programmed into the SDM. |
| VIN Programmed | Yes/No | The scan tool displays Yes if the VIN has been programmed into the SDM. |
| VIN Programming Counter | Random Value | The SDM uses this counter while programming the VIN. |
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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.