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.
2021 Kia K5 EXFACTORY OEM SERVICE PROCEDURE
Audio/Video/Navigation (AVN) System DTCS
AUDIO/VIDEO/NAVIGATION (AVN) SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
| DTC | Description |
|---|---|
| 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 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.