U0104 on Kia EV6
Factory diagnostic protocol and troubleshooting wire for fault code U0104 specifically for the Kia EV6 (2022–2026, Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery).
1. Symptoms of U0104 on Kia EV6
When the Engine Control Module (ECM/PCM) on your Kia EV6 (Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery) logs fault code U0104, drivers commonly observe:
2. Most Likely Causes on Kia EV6
Historical warranty claims and technical repair bulletins for Kia EV6 point to the following failure distribution:
3. Step-by-Step DIY Repair Guide for Kia EV6
Clean snow, ice, mud, or dead bugs off front radar emblem. on the Kia EV6 equipped with Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery.
Verify power feed to radar sensor. on the Kia EV6 equipped with Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery.
Execute optical/radar alignment procedure if bumper was removed. on the Kia EV6 equipped with Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery.
Clear DTCs and test cruise on highway. on the Kia EV6 equipped with Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery.
Equipment for Diagnosing Kia EV6 (U0104)
Kia EV6 OEM Replacement Sensor
Direct-fit replacement assembly engineered to OEM tolerances for Kia EV6.
AstroAI Auto-Ranging Digital Multimeter
Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.
BlueDriver Bluetooth Pro OBDII Scan Tool
Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.
Other Common Fault Codes on Kia EV6
Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Kia EV6:
4. Kia EV6 U0104 FAQs
What causes code U0104 to trigger on a Kia EV6?
On the Kia EV6 (Single RWD (229HP) / Dual AWD (320HP) / GT 577HP / 77.4 kWh battery), U0104 is most frequently caused by Blocked or dirty front radar sensor in grille/bumper or Blown radar module fuse.
Where is the OBD-II port located on my Kia EV6?
On the Kia EV6, the 16-pin DLC diagnostic connector is located Driver side lower dash bezel interface. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.
Can I safely drive my Kia EV6 with code U0104?
Yes. Normal driving is unaffected, but Adaptive Cruise Control will not engage. Given that U0104 carries a Low severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.

