NHTSA Complaint #11702168 — 2023 VOLKSWAGEN ID.4

23 Volkswagen ID.4 Pro S AWD (82 kWh LG battery, <25k miles). Vehicle has permanently lost ~25% of usable battery capacity in less than 2 years. At 80% state-of-charge the Guess-O-Meter consistently shows only 200–205 miles (full-range estimate 250–255 miles instead of EPA 275 / real-world 280–300 miles in similar conditions). Multiple dealer-recommended BMS recalibrations (discharge below 10%, sit overnight, slow-charge to 100%) have failed to restore range. Persistent charging faults: B17E0F0 (charge connector lock), P1BF100 (no AC voltage detected), P1CAF00 (zero current time exceeded). Dealer has repeatedly claimed the condition is normal and refused full HV battery capacity diagnostic. Defect has been reproduced on multiple occasions and documented with screenshots and DTCs. This creates a safety risk due to severely inaccurate range prediction and potential for stranding. Request NHTSA investigate premature high-voltage battery degradation and charging system defects in 2023 Volkswagen ID.4 models equipped with LG batteries.