U0238 on 2023-2025 Land Rover Range Rover Sport — Lost Communication With Digital Audio Control Module "D"
1 vehicles · 1 makes
Most Reported On
U0238 is an OBD-II diagnostic trouble code meaning “Lost Communication With Digital Audio Control Module "D".” This network code indicates one or more modules have lost communication with digital audio control module "D" over the vehicle's communication bus. This module is part of the audio/infotainment system, so the fault is generally a comfort/convenience concern rather than a safety- or driveability-critical one. Typical effects are loss of audio function or features tied to that module. Diagnosis centers on the wiring, connectors, and power/ground to the audio module and the bus. This code is most commonly reported on 2023-2025 Land Rover Range Rover Sport.
Common Causes
Diagnostic Tools
To diagnose U0238, 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.
FAQ
What does U0238 mean?
U0238 stands for "Lost Communication With Digital Audio Control Module "D"." This network code indicates one or more modules have lost communication with digital audio control module "D" over the vehicle's communication bus. This module is part of the audio/infotainment system, so the fault is generally a comfort/convenience concern rather than a safety- or driveability-critical one. Typical effects are loss of audio function or features tied to that module. Diagnosis centers on the wiring, connectors, and power/ground to the audio module and the bus.
What are the most common causes of U0238?
The most common causes of U0238 are: Faulty digital audio control module D, Open or shorted wiring to the module, Corroded, loose, or damaged connector, Loss of power or ground to the module, Communication bus fault, Blown fuse feeding the module, Software/configuration issue. The specific cause varies by vehicle.
How much does it cost to fix U0238?
Repair costs vary widely depending on the root cause and vehicle.
Which vehicles are affected by U0238?
Au7o has documented U0238 across 1 vehicle models from 1 manufacturers: Land Rover.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.