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.
Assist Step Control Module Scan Tool Information
2015 Chevrolet Tahoe LS, RWDSECTION Assist Step Control Module Scan Tool Information
Scan Tool Data Parameters
| Parameter | Expected Value | Description |
|---|---|---|
| Operating Conditions: Ignition ON | ||
| Battery Voltage | Varies | Current voltage of battery. |
| Assist Step System Status | Normal | Scan tool displays Unknown, Enabled, Disabled, or Extended. |
| Driver Door Ajar Switch | Door Closed | Scan tool displays Door Closed or Door Open. |
| Passenger Door Ajar Switch | Door Closed | Scan tool displays Door Closed or Door Open. |
| Left Rear Door Ajar Switch | Door Closed | Scan tool displays Door Closed or Door Open. |
| Right Rear Door Ajar Switch | Door Closed | Scan tool displays Door Closed or Door Open. |
| Left Assist Step Learn Status | Yes | Scan tool displays Learned if the left step learn has been completed. |
| Left Assist Step Position | Count Value | Scan tool displays the current left step position count. |
| Right Assist Step Learn Status | Yes | Scan tool displays Learned if the right step learn has been completed. |
| Right Assist Step Position | Count Value | Scan tool displays the current right step position count. |
| Right Assist Step Command | Retract Completed | Scan tool displays Unknown, Extend Completed, Retract Completed, Extending, Retracting, Error, Object Detected, or Timeout. |
| Left Assist Step Command | Retract Completed | Scan tool displays Unknown, Extend Completed, Retract Completed, Extending, Retracting, Error, Object Detected, or Timeout. |
| Assist Step Disable Switch | Inactive | Displays Active if switch is pressed. |
Scan Tool Output Controls
| Output Control | Description |
|---|---|
| Left Assist Step Motor | Allows scan tool control of left assist step. |
| Right Assist Step Motor | Allows scan tool control of right assist step. |
RENDER: 1.0x
NO RELATED
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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.