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.
DTC U2100:00 [Advanced Keyless Entry And Push Button Start System]
| DESCRIPTION | Incomplete configuration |
| DETECTION CONDITIONÂ |
|
| POSSIBLE CAUSEÂ |
|
| Step | Inspection | Action | |
|---|---|---|---|
| 1 | PERFORM KEYLESS CONTROL MODULE CONFIGURATIONÂ
|
Yes | Perform the keyless control module configuration again, then go to the next step. (See KEYLESS CONTROL MODULE CONFIGURATION ). |
| No | Go to Step 3. | ||
| 2 | VERIFY TROUBLESHOOTING COMPLETEDÂ
|
Yes | Replace the keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION ). |
| No | Go to the next step. | ||
| 3 | VERIFY THAT NO OTHER DTCs ARE PRESENTÂ
|
Yes | Go to the applicable DTC inspection. (See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]Â ). |
| No | DTC troubleshooting completed. | ||
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.