2023 Subaru Solterra

November 1, 2024 (46,750 Miles): Vehicle suffered an initial internal high-voltage electric A/C compressor meltdown (Diagnostic Trouble Code B14721C). The authorized dealership replaced the compressor under warranty but left the original, contaminated micro-channel condenser assembly in the vehicle, attempting to clear it via a basic fluid flush. January 15, 2026 (121,269 miles): Vehicle was brought to an authorized Subaru dealer for the mandatory Federal Safety Recall WRD-25 (NHTSA Campaign 25V577). The software patch was applied, and the dealership explicitly stated that the A/C compressor was in good working condition at that time. No physical flush or deep system contamination audit was conducted. July 2026 (132,911 Miles): Only six months after the recall certification, the high-voltage electric compressor suffered a subsequent, total mechanical failure. The servicing dealership confirmed that the closed thermal loop is actively contaminated with metal debris. Because parallel-flow EV condensers cannot be flushed clear of metal shards, the leftover debris from the 2024 warranty failure acted as a physical abrasive, causing the rapid destruction of the replacement compressor despite the dealer's recent confirmation that it was functional. Safety Impact: The vehicle's windshield defroster and defogger systems are completely inoperative due to this compressor failure, recreating the exact visibility hazard targeted by Safety Recall WRD-25. This failure also impacts the high-voltage EV battery pack's thermal management system. Widespread Component Pattern: There is documented community-wide evidence on automotive safety forums indicating that numerous 2023–2025 Solterra and bZ4X owners are suffering identical post-recall compressor failures. The factory WRD-25 software patch simply adjusted the ECU failsafe programming to keep the defroster running; it did not fix the physical fragility or preexisting mechanical degradation of the compressor.

During any precipitation, primarily rain, the adaptive cruise control fails to sense vehicles in front of it. This became alarming as the vehicle began to speed up and get alarmingly close to the other vehicle, causing driver to slam brakes. When looking at the cruise control display, the vehicle never showed another vehicle in front of it.

The Solterra's rear window in mounted at a flat angle and lacks a rear window wiper. It also has a black "spoiler" at the bottom of the window. These features combine to drive a significant accumulation of snow on the rear window that blocks all rear view in just a few miles. With no way to clear this without exiting the car that may be unsafe in many situations. . Under snow or rain conditions the rear view camera usually become covered in rain or mud and are useless. Due to the inability to see to the rear is likely to result in collisions with other cars, objects, people or the driving off of the roadway. The attached photo shows the Solterra that was prewarmed, including the rear defroster in operation, clear of all snow on the rear window and driven just 5 miles.