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 MANUALSKIA2021FORTE EXREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXAUDIO VIDEO NAVIGATION SYSTEM DTCS
2021 Kia Forte EX
Audio Video Navigation System DTCS
2021 Kia Forte EXSECTION Audio Video Navigation System DTCS
AUDIO VIDEO NAVIGATION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| DTC B2801 | 00: MM CAN Signal Line Error |
| DTC B2803 | 00: Timeout Multimedia CAN Message (AMP) |
| 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 B2839 | 00: SXM Module Communication Error |
| DTC B2841 | 00: USB Communication Error |
| DTC B2843 | 00: AUX Connection Error |
| DTC B2848 | 00: XM Antenna Short State |
| DTC B2849 | 00: SXM Antenna Open State |
| DTC B28C0 | 00: AmFm1 Radio Antenna Short State |
| DTC B28C6 | 00: LTE1/3G antenna shortcut to GND |
| DTC B28C7 | 00: LTE1/3G antenna open load |
| DTC B292B | 00: FL Speaker Short state |
| DTC B292C | 00: FR Speaker Short state |
| DTC B292D | 00: RL Speaker Short state |
| DTC B292E | 00: RR Speaker Short 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 |
| DTC B2955 | 00: Timeout Multimedia CAN Message (Cluster) |
| DTC B2958 | 00: Timeout Multimedia CAN Message (CGW) |
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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.