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 MANUALSKIA2021SEDONA EXREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSSMART KEY UNIT DIAGNOSIS
2021 Kia Sedona EX
Smart Key Unit Diagnosis
2021 Kia Sedona EXSECTION Smart Key Unit Diagnosis
- DTC Index
- DTC B1602-00: CAN Error
- DTC B1603-00: CAN Bus Off
- DTC B16A8-00: Interior Antenna #1 Failure
- DTC B16A9-00: Interior Antenna #2 Failure
- DTC B16AA-00: Interior Antenna #3 Failure
- DTC B16AB-00: Bumper Antenna Failure
- DTC B16AC-00: Driver Side Door Handle Antenna Failure
- DTC B16AD-00: Passenger Side Door Handle Antenna Failure
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.