U014BLost Communication With Hybrid/EV Battery Inductive Charging Module
- Generic OBD-II code · Network
- How the car detects it
- U014B covers the vehicle-side controller of a wireless charging system. Inductive charging transfers energy without a plug, through a coil in a ground pad and a receiving coil under the car; the SAE J2954 standard, finalised in 2020, defines power classes of 3.7, 7.7 and 11 kW and relies on resonant coupling with about 85 percent efficiency. The module on board rectifies the received power, checks alignment and reports to the battery and charge controllers; if its messages stop, those controllers log U014B. No manufacturer documents the code publicly, and wireless charging is still rare in series production. The practical effect is that wireless charging does not start or is interrupted, while charging by cable and driving normally continue. U044C covers invalid data from this module.
- What you may notice
- Wireless charging does not start or stops
- Charging warning message, cable charging still works
- Module not reachable with a scan tool
- Likely causes
- LikelySupply, fuse or ground of the inductive charging module missing
- PossibleWiring or connector to the underbody receiver damaged by water, salt or impact
- RareSoftware of module and charge controller not matching
- RareInductive charging module internally faulty
- Repair
- Workshop only · Usually a job for a workshop.Typical cost: €80 – €1,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.