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.
2014 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
Multimedia System DTCS
MULTIMEDIA SYSTEM DIAGNOSTIC TROUBLE CODE DESCRIPTION
| DTC | Description |
|---|---|
| DTC B2803 | No Response Network Management Message (Amplifier Unit) |
| DTC B2804 | No Response Network Management Message (IPM/DATC) |
| DTC B2805 | No Response Network Management Message (TMU/T-BOX/CUbis) |
| DTC B2806 | No Response Network Management Message (Front Display) |
| DTC B2807 | No Response Network Management Message (Rear Display-Left) |
| DTC B2808 | No Response Network Management Message (Front Key Module) |
| DTC B2809 | No Response Network Management Message (Rear Key Module) |
| DTC B2810 | No Response Network Management Message (PGS/AVM/Rear Camera) |
| DTC B2811 | No Response Network Management Message (Rear Display-Right) |
| DTC B2955 | No Response Network Management Message (CLUSTER) |
| DTC B2957 | No Response Network Management Message (CLOCK) |
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.