U0184: Lost Communication With Radio
6 vehicles · 5 makes · $100-$1,500 repair
Most Reported On
U0184 is an OBD-II diagnostic trouble code meaning “Lost Communication With Radio.” This network code means a module stopped receiving expected communication messages from the radio/audio module over the vehicle's data bus. When the radio module goes offline or its bus connection fails, this code is logged. On some vehicles the audio module also acts as a network gateway, so its loss can trigger several related communication codes. Symptoms are typically a dead or unresponsive radio/infotainment system; it does not affect drivability. This code is most commonly reported on 2023-2025 Dodge Hornet, 2022-2025 Jeep Grand Wagoneer, and 2021-2025 Chevrolet TrailBlazer, plus 3 other vehicles, with repair costs ranging from $100 to $1,500.
Common Causes
Typical Repair Cost
Based on 6 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose U0184, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
As an Amazon Associate, we earn from qualifying purchases. Prices are approximate and may vary.
Vehicles Affected (6)
FAQ
What does U0184 mean?
U0184 stands for "Lost Communication With Radio." This network code means a module stopped receiving expected communication messages from the radio/audio module over the vehicle's data bus. When the radio module goes offline or its bus connection fails, this code is logged. On some vehicles the audio module also acts as a network gateway, so its loss can trigger several related communication codes. Symptoms are typically a dead or unresponsive radio/infotainment system; it does not affect drivability.
What are the most common causes of U0184?
The most common causes of U0184 are: Loss of power or ground to the radio/audio module, Blown radio fuse, Wiring or connector fault on the communication bus, Faulty radio/audio control module, Corroded or loose module connector, Network/bus wiring short affecting multiple modules. The specific cause varies by vehicle.
How much does it cost to fix U0184?
Repair costs for U0184 range from $100 to $1,500, depending on the vehicle and root cause.
Which vehicles are affected by U0184?
Au7o has documented U0184 across 6 vehicle models from 5 manufacturers: Chevrolet, Dodge, Ford, GMC, Jeep.
Sources (12)
- ForumReddit r/MechanicAdvice Thread Discussing Dodge Hornet Uconnect 5 Screen Freezing
- videoYouTube Repair Video: Fixing Dodge Hornet Uconnect 5 Screen Freezing Issues
- ForumJeepGarage.org Thread: 2022 Grand Wagoneer Uconnect 12-Inch Freezing & Black Screen
- videoYouTube - Fixing Uconnect 12-Inch Touchscreen Freezing on 2022 Jeep Grand Wagoneer
- ForumReddit r/MechanicAdvice thread discussing Chevy TrailBlazer infotainment freezing and rebooting issues
- Forum8.4 uconnect screen freezes — JLWranglerForums
- ForumIntermittent failure of reverse camera — Jeep Wrangler Forum
- TSBTSB: SYNC 3 - Various SYNC Performance Related Concerns (NHTSA)
- articleFord & Lincoln SYNC 3 APIM Module (2016-2022): Solving Black Screens and Failures - Go-Parts
- ForumSync 3 module APIM part#s - Ford F150 Forum
- Forum2015 GMC Terrain IntelliLink Screen Won't Fire Up - CarGurus
- ForumIntellilink Color Touch Screen Not Working - Terrain Forum
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.