How to reset the red triangle light in a Toyota prius
As most new cars remind us when an oil change is due or tire pressure is low, regular maintenance should come as second nature for all vehicle owners.The red triangle of death is similar to a check engine light on standard cars.
The warning light could be a low oil pressure warning or something else.If your hybrid vehicle is experiencing a more serious issue, having the codes scanned and diagnosed is your first call to action.
In this article, The hybrid Geek explains how to get back on the road quickly by fixing the red triangle of death in hybrid vehicles.
The most common cause for a red triangle of death light is an issue with the battery.The codes that come up after a diagnostic are P0A80 and P3000.
The battery control system is referred to as the P300 code.There is an issue with the HV battery'sECU when this code appears, but it is typically caused by several sources.There are signs that your car is having a problem.
The P0A80 code is a sign that your hybrid battery pack is experiencing cell failure, which is shown as a malfunction in the vehicle's battery management system.The charge level of your hybrid's battery pack is regulated by the HVBMS.The HVBMS can diagnose your battery pack's condition and optimum charging level by monitoring battery temperature, voltage, and individual cell resistance.
A red triangle of death will be displayed when the HVBMS reports inconsistent battery or cell temperature.Although the hybrid battery pack has 204 cells, it only takes one failing or bad cell to cause the code and it means the battery is on borrowed time.
A failing battery pack doesn't mean you need a new one.A licensed HV mechanic can offer options after a diagnostic service.A new battery pack is one of the options if there are more than one bad cell in the pack.
Reconditioning the hybrid battery pack is a viable option.This is a good option for older packs.Your hybrid mechanic shop can offer you the best option for your situation if you have a state of health check.
Your best bet to keep the battery pack functioning properly is preventative care.Cell testing and state of health checks can give you an idea of possible problems that may occur in your hybrid.
The red triangle of death has a code P0A80, and starting with a diagnostic service will help you understand why.If possible, the best fix is to repair damaged cells or replace dead ones.The best person to make the final decision is your hybrid mechanic.
If you areExperiencing this warning sign on your Toyota Prius or hybrid vehicle, it is time to get a state of health check.Free state of health checks, full battery rebuild/recondition, and comprehensive care are offered by the hybrid Geek.