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 MANUALSKIA2021K5 LXS, AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSAUDIO/VIDEO/NAVIGATION (AVN) SYSTEM DIAGNOSIS
2021 Kia K5 LXS, AWD
Audio/Video/Navigation (AVN) System Diagnosis
2021 Kia K5 LXS, AWDSECTION Audio/Video/Navigation (AVN) System Diagnosis
- DTC Index
- DTC B2801-00: MM CAN Signal Line Error
- DTC B2815-00: HS-CAN Error
- DTC B2824-00: FRT MIC Connection Error
- DTC B2826-00: GPS Antenna Short State
- DTC B2827-00: GPS Antenna Open State
- DTC B2835-00: Phone Connectivity Service Failure
- DTC B2841-00: USB Communication Error
- DTC B2843-00: Multimedia Terminal Connection Error
- DTC B2848-00: XM Antenna Short State
- DTC B2849-00: XM Antenna Open State
- DTC B28C0-00: Am/Fm1 Radio Antenna Short State
- DTC B28C1-00: Am/Fm1 Radio Antenna Open State
- DTC B28C2-00: FM2 Radio Antenna Short State
- DTC B28C3-00: FM2 Radio Antenna Open State
- DTC B2943-00: FL Speaker Connection Error
- DTC B2944-00: FR Speaker Connection Error
- DTC B2945-00: RL Speaker Connection Error
- DTC B2946-00: RR Speaker Connection Error
- DTC B2949-00: Radio Antenna Connection & Receive Quality
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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.