Is it really the hybrid battery?
Sometimes. Often it is a fan, a filter or a connector. Here is how we test before anyone quotes a pack.
P0A80Toyota Hybrid Batteries Explained: NiMH vs Lithium-Ion, Model by Model, and Why the Electric Rear Axle Beats a DriveshaftWhich Toyota hybrids use nickel-metal hydride and which use lithium-ion, why the chemistry matters, how Hybrid Synergy Drive evolved, and why Toyota's electric rear axle (MGR) beats a driveshaft. From Portland's Toyota hybrid specialists.Aug 2026Is My Prius Hybrid Battery the Original - or Has It Been Replaced?How to tell if your Prius (2001-2009) hybrid battery is the original or a replacement - and roughly how old it is - from a quick look, the case color, and service history.P0A80Toyota P0A80 explained: what it really means when your Prius says the hybrid battery is failingP0A80 means your hybrid battery has a weak or dead module. Based on 547 real repair orders, here's how we confirm which module failed and why a complete pack is the fix that lasts.Jan 2026Gen 3 Prius HV Battery: Why “Cooling Performance Low” Doesn’t Always Mean What You Might Think"Cooling performance of the hybrid battery is low" on a Gen 3 Prius is usually a clogged battery cooling fan, not bad cells. Here's what to check first.P0A7AP0A94P0A78Why “Check Hybrid System” Doesn’t Always Mean You Need a Hybrid BatteryThe check hybrid system alert on a Prius can mean many things. Atomic Auto explains the most common causes and what to do next.P0A80Do I actually need a hybrid battery replacement?Before replacing your Toyota hybrid battery, read this. Atomic Auto explains what tests actually matter and when replacement is truly necessary.Jan 2026The 2004-2009 Prius “Triangle of Death”The Prius triangle of death is the Master Warning Light. When it flashes with no codes, it's most often low engine oil, not a hybrid failure.Jan 2026The Truth About Hybrid & EV Battery TestingThe truth about hybrid battery testing. Atomic Auto explains why most tests are inaccurate and what you should ask for instead.
Written in the shop from real repair orders, with names removed. Fault codes are what the car reported, not a diagnosis on their own.
Text us, or book a slot.
A text with a photo of the dash gets you an answer fastest. Booking online holds a day and a time.
Opening hoursMonday to Friday, 8am to 6pm. Closed at weekends.
610 NE 102nd Ave, Portland, OR 97220102nd and Glisan, a block from the Gateway Transit Center and all three MAX lines.Directions
Drop off after hours, or pick up after we close.How after-hours drop-off works