U1110: Network Communication Fault (manufacturer-specific; commonly Lost Vehicle Speed Message)
6 vehicles · 4 makes · $140-$2,000 repair
Most Reported On
U1110 is an OBD-II diagnostic trouble code meaning “Network Communication Fault (manufacturer-specific; commonly Lost Vehicle Speed Message).” U1110 is a manufacturer-specific network (U) code, so its exact meaning varies by automaker. It generally indicates a data-bus communication problem; on several makes (such as Chrysler and Ford) it is associated with a lost or invalid vehicle speed message, meaning a module did not receive the expected speed data over the network. Loss of this data can affect modules that rely on vehicle speed, sometimes causing speedometer, cruise, or related symptoms. The specific definition should be confirmed against the vehicle's service information. This code is most commonly reported on 2021-2025 Kia K5, 2020-2025 Kia Sportage, and 2016-2017 Toyota Camry, plus 3 other vehicles, with repair costs ranging from $140 to $2,000.
Common Causes
Typical Repair Cost
Based on 6 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose U1110, 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 U1110 mean?
U1110 stands for "Network Communication Fault (manufacturer-specific; commonly Lost Vehicle Speed Message)." U1110 is a manufacturer-specific network (U) code, so its exact meaning varies by automaker. It generally indicates a data-bus communication problem; on several makes (such as Chrysler and Ford) it is associated with a lost or invalid vehicle speed message, meaning a module did not receive the expected speed data over the network. Loss of this data can affect modules that rely on vehicle speed, sometimes causing speedometer, cruise, or related symptoms. The specific definition should be confirmed against the vehicle's service information.
What are the most common causes of U1110?
The most common causes of U1110 are: Wiring or connector fault on the communication bus, Faulty source module (e.g., ABS module sending speed data), Loss of power or ground to a networked module, Corroded connector pins, Bus wiring short or open, Faulty receiving control module. The specific cause varies by vehicle.
How much does it cost to fix U1110?
Repair costs for U1110 range from $140 to $2,000, depending on the vehicle and root cause.
Which vehicles are affected by U1110?
Au7o has documented U1110 across 6 vehicle models from 4 manufacturers: Dodge, Kia, RAM, Toyota.
Sources (12)
- videoYouTube - Kia K5 Infotainment Screen Blackout Fix by EricTheCarGuy
- ForumReddit r/Kia thread discussing infotainment reboot loop on 2020 Sportage
- TSBToyota T-SB-0003-19: Entune Audio Head Unit Software Update
- ForumParasitic Battery Drain — Dodge Challenger Forum (ChallengerTalk)
- Forum2016 Challenger Parasitic Battery Drain — SRT Hellcat Forum
- ForumIntercooler Aux Pump Not Shutting Off (P023B / U02A9) — SRT Hellcat Forum
- article14 Complaints: 2017 Dodge Challenger Electrical System Problems — CarComplaints.com
- articleBattery Dead Problems of Dodge Challenger (18 owner reports) — CarProblemZoo
- articleDodge Challenger Battery Draining: Causes + Diagnosis — Drivetrain Resource
- TSBToyota T-SB-0024-20: Entune Audio Head Unit Software Update (Denso-Ten)
- TSBToyota T-SB-0003-19 Rev2: Superseded Entune Condition and Software Details
- articleDodge Ram TIPM Failure Symptoms, Repair, and Replacement - Circuit Board Medics
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.