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 P0513 Unmatched Key Code: Notes
This DTC is output when an unregistered key is inserted. When this DTC is output, delete DTC and insert the key that a customer keeps to check whether or not P0513 is output.
When a key that outputs P0513 is found, register this key. when B2795 is not output, there is a possibility that the unregistered key has been inserted before. (Transponder key ECU is normal.)
Inquire a customer the condition of using the system to find the cause of the trouble. (Example: Another key has been inserted, etc.,)
| DTC No. | DTC Detecting Condition | Trouble Area |
|---|---|---|
| P0513 | Key is not registered to ECU |
|
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.