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 DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTAUDIO/VIDEO/NAVIGATION DIAGNOSISDTC INDEX
2021 Kia Forte EX
DTC Index
2021 Kia Forte EXSECTION DTC Index
DTC INDEX
| 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.