NHTSA Complaint #11612981 — 2019 BMW X3

The contact owns a 2019 BMW X3. The contact stated that after a rainstorm, water would leak through the Telematics Control Unit (TCU) located on the roof at the rear of the vehicle. The contact stated that the leak caused a short circuit of the TCU wiring harness. The contact stated that a warning for the "Emergency Call System" was illuminated. The contact stated that the message covered the instrument cluster. The contact was unable to see the speedometer or other gauges on the instrument cluster because the message could not be cleared due to the short circuit. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the TCU needed to be resealed and the wiring harness and transponder module needed to be replaced. The vehicle was repaired. The contact researched online and related the failure to TSB: SIB 65 12 22 - Roof Mounted Antenna Seal Not Adhering (Structure, Electrical System). The manufacturer was informed of the failure. The failure mileage was approximately 48,000.