Pogorszenie sprawności baterii HV — niska SOH
P3050
WysokiTraction Battery Block 40 Shows Reduced Capacity. Manufacturer-specific code, most common in Toyota/Lexus hybrid vehicles.
OBD-II (EN): Traction Battery Block 40 Capacity Degradation
Code P3050 indicates reduced capacity of traction battery block 40 in hybrid vehicles. It can manifest as reduced power, dashboard warnings, and limited operation in electric mode. Due to the presence of a high voltage system, diagnosis and repair should be entrusted to a certified hybrid vehicle service center.
Symptoms
Dashboard warning related to the hybrid system (HV or READY icon), reduced drive power and worsened acceleration, decreased electric range, more frequent combustion engine activation, possible traction battery overheating, energy management system error displayed on the onboard computer.
Possible causes
• Wear or damage to cells in high voltage battery block 40 (natural degradation) • Voltage imbalance between traction battery blocks • Damage or corrosion of electrical connections in the HV battery module • Fault in the traction battery cooling system (clogged filter or fan) • Deep discharge of cells causing permanent chemical damage to block 40
Affected systems
Related codes
Usterka pakietu akumulatorów wysokiego napięcia (HV Battery Pack). Kod wskazuje na wykryte nieprawidłowości w module baterii trakcyjnej pojazdu hybrydowego lub elektrycznego.
Słaby blok baterii trakcyjnej nr 10 — układ hybrydowy wykrył nieprawidłowe napięcie elektromotoryczne lub opór wewnętrzny w module akumulatora wysokiego napięcia.
Podgrzewany czujnik tlenu (HO2S) 1, bank 1 – błąd adaptacji. Kod producenta stosowany głównie w pojazdach BMW i Toyota (Prius), związany z obwodem czujnika lambda lub układem wtryskowym.
System baterii HV — kod nadrzędny
Wymiana baterii hybrydowej — wymagana
Code P3050 appears in these brands
Go to messages and symptoms for your brand — there we analyze this code together with other typical alerts.
Suggested Hybspec services
Based on the systems affected by this code, we will most likely start with:
Does code P3050 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.
