P0a80 Toyota Prius code is a generic powertrain diagnostic trouble code (DTC) typically applies to hybrid cars from Toyota Prius, Camry, Lexus, Hyundai etc. When this code triggers it means that there is some problem in the hybrid vehicle battery management system (HVBMS) and so forth a weak cell failure has occurred in the hybrid battery pack.
Hybrid cars take advantage of nickel metal-hydride battery packs. A pack has blocks of batteries wired together via sections of cables or connectors. A typical battery comprises eight (1.2-volt) cells in series. To make up the typical HV battery pack it requires up to 28 modules.
What is HVBMS ?
The HVBMS (Hybrid vehicle battery management system) whose malfunctioning triggers P0a80 Prius code regulates the charging level. it also monitors the battery pack state. Individual cell resistance, battery voltage, and battery temperature are all aspects that are considered by the HVBMS and PCM. The charging level and battery pack condition is tested.
The battery pack also comprises multiple ammeter and temperature sensors. In fact in many cases, each battery cell comprises an ammeter/temperature sensor. This provides HVBMS with the data which compares individual voltage signals to figure if inconsistencies are there and reacts accordingly.
The HVBMS also sends the PCM with data, via the controller area network (CAN). When it provides the PCM with an input signal which reflects inconsistent battery or cell temperature and/or voltage (resistance) then consider P0a80 Toyota Prius code generation and a malfunction indicator may be illuminated.
A loose or corroded commotion can cause this malfunction. This commonly occurs in vehicles that remain parked. The safe solutions is to rectify a defective HV battery pack and replacement with a factory part.
Toyota Hybrid car battery is designed and engineered to last. The average life span of hybrid car battery is 160,000km to 200,000km based on the type of services performed. The hybrid batteries can have poor electrical connections at terminals and dust ingress in cooling system. This can cause early death to the cells of the hybrid batteries. The batteries have also shown better life in areas that don’t have extreme cold or extreme hot weathers.
We have hybrid car batteries as good as new battery packs with 99% life remaining, Japan Import
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Toyota Prius Hybrid Battery
The second-generation Toyota Prius’ battery pack is made up of 28 Panasonic prismatic nickel metal hydride modules, each with six 1.2 volt cells, linked in series to create a nominal voltage of 201.6 volts. There are 168 total cells, compared to 228 cells bundled in 38 modules in the first generation Prius. The backpack is hidden beneath the back seat.
The total weight of the battery pack is 53.3 kg. At 50 percent state-of-charge, the Prius pack’s discharge power capacity is around 20 kW. At higher temperatures, the power capacity increases, whereas at lower temperatures, it decreases. The computer in the Prius is exclusively responsible for maintaining the battery’s optimal temperature and charge level. As thermal management, the Prius provides conditioned air from the interior to cool the batteries. A 12-volt blower is fitted above the driver’s side rear tyre well to pull in the air.
Toyota Prius Hybrid Battery Services
We provide not only the best Prius hybrid batteries, but also the best Prius hybrid battery services. We are confident that with our broad list of services, we have everything you need to have your car operating like new.