# EV Partners > What really breaks on hybrids and EVs, from independent shops' own repair orders, checked by the people who did the work. The full text of every article here is at https://hub.evpartners.ai/llms-full.txt. ## The network EV Partners is a network of independent electric and hybrid repair shops. Each problem is explained once here and told by every shop that has worked on it, in that shop's own article on its own site, with that shop's own repair-order count. - Earthling Automotive: https://earthlingauto.com (summary at https://earthlingauto.com/llms.txt, full text at https://earthlingauto.com/llms-full.txt) - Atomic Auto: https://atomicauto.com (summary at https://atomicauto.com/llms.txt, full text at https://atomicauto.com/llms-full.txt) - Mile Hybrid Automotive: https://milehybridauto.com (summary at https://milehybridauto.com/llms.txt, full text at https://milehybridauto.com/llms-full.txt) ## Evidence behind this content - Articles here cite aggregate counts from first-party repair-order records, not estimates or third-party surveys. - Corpus: 36,158 repair orders across 3 independent EV/hybrid repair shops in the EV Partners network. - Every figure on these pages is counted live from the shop's records, refreshed daily; each article's count shows the date it was counted. - Records are aggregated by vehicle, system, and time period. No customer, vehicle-identifying, or individual-visit data is published or retained in this dataset. - The corpus itself was last refreshed from shop records on October 29, 2026. - Attribution: cite as "EV Partners" with the article URL. - The corpus is published in full, with method and limits, at https://hub.evpartners.ai/repair-data (marked up as schema.org/Dataset). ## Pages - [EV Partners: the EV Repair Hub, from independent hybrid and EV shops](https://hub.evpartners.ai/): What really breaks on hybrids and EVs, from independent shops' own repair orders, checked by the people who did the work. - [About EV Partners: three independent hybrid and EV shops, one honest count](https://hub.evpartners.ai/about): EV Partners publishes what really breaks on hybrids and EVs, counted from the repair orders of Earthling Automotive, Atomic Auto and Mile Hybrid. Who runs it, why it exists, and what it never does. - [Hybrid and EV fault codes, explained and counted | EV Partners](https://hub.evpartners.ai/codes): What hybrid and EV fault codes like P0A80, P0A93 and P0AA6 mean in plain words, how often three independent shops have seen each one, on which cars, and the report on it. - [Contact EV Partners | Press, partners and questions about the reports](https://hub.evpartners.ai/contact): Write to EV Partners about a story, a figure in an EV Repair Hub report or working together. Need a car fixed? Call Earthling Automotive, Atomic Auto or Mile Hybrid Automotive directly. - [Hybrid and EV repair glossary in plain English | EV Partners](https://hub.evpartners.ai/glossary): Plain-English definitions of the hybrid and EV terms in the EV Repair Hub: Ready mode, the inverter, the 12-volt battery, isolation faults, regenerative braking and more. - [How we count: the rules behind every repair figure | EV Partners](https://hub.evpartners.ai/method): Every number on EV Partners is a live count of real repair orders from the shops' own Shop-Ware records: what counts, how each order is counted once, what never leaves a shop, and how to report an error. - [The Shops: independent hybrid and EV repair in San Francisco, Portland and Denver](https://hub.evpartners.ai/network): Earthling Automotive in San Francisco, Atomic Auto in Portland and Mile Hybrid in Denver: who runs each shop, what its own repair orders show, and how to reach it. - [Privacy | EV Partners](https://hub.evpartners.ai/privacy): What the EV Partners site keeps about readers: no cookies for readers, visits counted without tracking, contact notes used only to reply, and repair records reduced to counts in the shop. - [EV Repair Hub: hybrid and EV problems, counted | EV Partners](https://hub.evpartners.ai/reports): Search the EV Repair Hub by fault code, symptom or car. Each is written from independent shops' own repair orders, with the live count behind it and the shops that did the work. - [Editorial standards and corrections | EV Partners](https://hub.evpartners.ai/standards): How a report in the EV Repair Hub is made, what a figure counts, what never leaves a shop, how figures stay live, who publishes a report, and how errors are corrected in the open. - [Hybrid and EV repairs by car, counted from real repair orders | EV Partners](https://hub.evpartners.ai/vehicles): Every hybrid and EV model three independent shops have worked on, with a live count of repair orders, the split by shop, model years and the reports on each car. ## EV Repair Hub - [Prius 12-volt battery: why a small battery stops a big car](https://hub.evpartners.ai/reports/prius-12-volt-battery): A weak auxiliary battery is the most common reason a Prius will not go into Ready, and it can look like a hybrid fault. - [P0A93: inverter cooling system performance](https://hub.evpartners.ai/reports/p0a93-inverter-cooling-performance): P0A93 means the inverter is running hotter than it should. It is almost always about coolant flow, not the inverter itself. - [Nissan Leaf 12-volt battery: the EV that will not wake up](https://hub.evpartners.ai/reports/nissan-leaf-12-volt): An electric car with a full traction battery can still be stranded by its small 12-volt battery. - [Prius inverter faults: what fails, and what is only a symptom](https://hub.evpartners.ai/reports/prius-inverter-failures): The inverter converts battery power for the motors. Most inverter complaints start with heat, and heat starts with the cooling loop. - [Prius c 12-volt battery and no-start complaints](https://hub.evpartners.ai/reports/prius-c-12-volt-battery): The smallest Prius has the same dependence on its 12-volt battery as the rest of the family, in a tighter package. - [Chevrolet Volt cooling: three loops to keep happy](https://hub.evpartners.ai/reports/chevrolet-volt-cooling): The Volt manages heat for its engine, its electronics and its battery with separate loops and pumps. - [Prius hybrid battery: replace, recondition or repair](https://hub.evpartners.ai/reports/prius-hybrid-battery-replace-or-repair): How the shops decide between a new pack, a reconditioned pack and a module repair, and what each choice means for the next five years. - [Camry Hybrid inverter: heat, pumps and warnings](https://hub.evpartners.ai/reports/camry-hybrid-inverter): Camry Hybrid inverter complaints follow the same pattern as the Prius: look at the cooling loop before the power electronics. - [Prius brakes: the actuator, the accumulator and the regen blend](https://hub.evpartners.ai/reports/prius-brake-actuator): Hybrid brakes are part hydraulic, part generator. The expensive faults live in the actuator that blends the two. - [Highlander Hybrid brakes: a heavy hybrid stopping](https://hub.evpartners.ai/reports/highlander-hybrid-brakes): A large hybrid SUV stops with a mix of regeneration and hydraulics, and its brake actuator works hard. - [Prius cooling: engine and inverter water pumps](https://hub.evpartners.ai/reports/prius-cooling-and-water-pumps): A Prius has two coolant loops and two pumps. When either one quits, the car tells you in different ways. - [RAV4 brakes: regeneration, rust and pads that last](https://hub.evpartners.ai/reports/rav4-hybrid-brakes): Hybrid RAV4 pads can outlast the hardware around them. The shops see seized slides and rotors before worn pads. - [Prius transaxle: noise, shudder and the motor-generators](https://hub.evpartners.ai/reports/prius-transaxle-and-motor-generators): The hybrid transaxle holds both motor-generators and the planetary gear. Most noises have simpler causes than the transaxle itself. - [Nissan Leaf brakes: why EV brakes rust before they wear](https://hub.evpartners.ai/reports/nissan-leaf-brakes): Regeneration does most of the stopping in a Leaf, so the friction brakes age from disuse. - [Prius c hybrid battery: smaller pack, same questions](https://hub.evpartners.ai/reports/prius-c-hybrid-battery): The Prius c pack is smaller and works harder per mile. How the shops test it before anyone talks about replacing it. - [P1121: coolant flow control valve](https://hub.evpartners.ai/reports/p1121-coolant-flow-control-valve): P1121 points at the valve that routes hot coolant to and from the heat storage tank on second-generation cars. - [Ford Escape Hybrid battery: an early hybrid, aging](https://hub.evpartners.ai/reports/ford-escape-hybrid-battery): The first hybrid SUV is now an old car. How the shops approach its high-voltage battery today. - [Chevrolet Bolt EV 12-volt battery](https://hub.evpartners.ai/reports/chevrolet-bolt-12-volt): The Bolt's no-start and warning-light complaints often trace back to its small battery, not its big one. - [P33E6: Leaf capacity-loss codes, decoded](https://hub.evpartners.ai/reports/p33e6-leaf-capacity-codes): The code behind the lost bars, and what it can and cannot tell you. - [Camry Hybrid battery: behind the rear seat](https://hub.evpartners.ai/reports/camry-hybrid-battery): The Camry pack lives behind the rear seat and breathes cabin air. A blocked intake can age it years early. - [P0116: engine coolant temperature sensor range](https://hub.evpartners.ai/reports/p0116-coolant-temperature-sensor): A coolant temperature reading that does not make sense for how long the engine has run. Sometimes the sensor, often the thermostat or air in the system. - [Lexus RX 400h brakes and the brake actuator](https://hub.evpartners.ai/reports/lexus-rx400h-brakes): The RX 400h shares the hybrid brake approach of its Toyota siblings, in a heavier luxury SUV. - [Prius v cooling: water pump and heat on the highway](https://hub.evpartners.ai/reports/prius-v-cooling): The bigger, heavier Prius v leans on its cooling system harder than the liftback, especially loaded and on grades. - [C1391: brake accumulator pressure](https://hub.evpartners.ai/reports/c1391-brake-accumulator): C1391 is the brake system saying the accumulator is losing pressure or taking too long to charge. - [Highlander Hybrid cooling: two loops in a big engine bay](https://hub.evpartners.ai/reports/highlander-hybrid-cooling): Engine and inverter cooling on the Highlander Hybrid, and the warnings that tell them apart. - [P0AA6: high-voltage isolation fault](https://hub.evpartners.ai/reports/p0aa6-high-voltage-isolation-fault): A safety code, not a capacity code. Somewhere, high voltage is leaking toward the chassis, and the job is to find where. - [Honda Civic Hybrid IMA battery](https://hub.evpartners.ai/reports/honda-civic-hybrid-ima-battery): Honda's Integrated Motor Assist is a different design from Toyota's. Its battery ages differently, and so does the fix. - [Prius v hybrid battery: nickel or lithium, and what that changes](https://hub.evpartners.ai/reports/prius-v-hybrid-battery): Depending on market and trim, the Prius v carried different pack chemistries. The repair path differs with it. - [P0A80 on a Prius: What the Code Actually Means](https://hub.evpartners.ai/reports/p0a80-decoded-what-replace-hybrid-battery-actually-means-on-): P0A80 reports one battery block outside the pack's voltage spread, not a whole-battery verdict. What 1,154 Prius HV battery repair orders show. - [Lexus CT 200h 12-volt battery](https://hub.evpartners.ai/reports/lexus-ct200h-12-volt): The compact Lexus hybrid shares the Prius drivetrain, and its no-start complaints usually start in the same place. - [Ford Escape Hybrid inverter and cooling](https://hub.evpartners.ai/reports/ford-escape-hybrid-inverter): Inverter faults on the Escape Hybrid often follow coolant problems, and its coolant pump is a known weak point. - [Chevrolet Volt high-voltage battery](https://hub.evpartners.ai/reports/chevrolet-volt-battery): A liquid-cooled lithium pack that has aged well. When it does need work, it is usually one section. - [Prius Plug-In: 12-volt battery and charging quirks](https://hub.evpartners.ai/reports/prius-plug-in-12-volt): A plug-in still needs its small battery healthy, and long periods parked on a charger can hide a failing one. - [Honda Insight brakes: light car, regenerative stops](https://hub.evpartners.ai/reports/honda-insight-brakes): The Insight's light weight and regeneration make brake work rare, which is exactly why neglected hardware turns up. - [Lexus RX 400h hybrid battery](https://hub.evpartners.ai/reports/lexus-rx400h-hybrid-battery): A large pack under the rear seat, now well into its second decade. How the shops test it.