Mon to Fri, 8 to 6

What we found, and what fixed it.

Trouble codes, no-starts, hybrid batteries and the faults each model is known for. Written from the cars in our bays.

Book onlineText 503-969-3134
Water staining inside a Highlander Hybrid's high-voltage battery, found on a P0AA6 diagnosis
26reports

Trouble codes and warning lights

What P0A80, P0AA6 and the rest mean, and what they usually turn out to be in our bays.

P0AA6P0A80P0441P0455NewestPrius P0420 Code: Is It Really the Catalytic Converter?
9reports

Won't start or broken down

Start with the 12V battery. It is the answer far more often than the hybrid one.

Prius, Toyota and LexusNewestP0A08 on a Gen 2 Toyota Prius (2004-2009): Inverter or 12V Battery?
9reports

Known issues by vehicle

What each car is known for, from Gen 2 inverter pumps to Gen 3 head gaskets.

Prius, Chevrolet, HondaNewestChevrolet Bolt Clicking Noise From the Front? Often a Deteriorating Anti-Click Washer
8reports

Hybrid battery health

Sometimes it is the pack. Often it is a fan, a filter or a connector.

Prius, Toyota and LexusNewestToyota Hybrid Batteries Explained: NiMH vs Lithium-Ion, Model by Model, and Why the Electric Rear Axle Beats a Driveshaft
Gen 2 Prius dashboard lit up with warning lights caused by a weak 12V batteryWon't startWhy Your Prius or Toyota Hybrid Won’t Start: The 12V Battery ExplainedToyota PriusWritten in the shop11 minToyota hybrid battery pack with corrosion on the bus bar bracket and module terminals, a common P0A80 findingCodes and lightsP0A80Toyota P0A80 explained: what it really means when your Prius says the hybrid battery is failingToyota PriusWritten in the shop11 minBlock tester showing positive result for combustion gases in coolant, confirming head gasket failureKnown issuesP261BP261C2010-2015 (Generation 3) Toyota Prius Head GasketsToyota Prius, 2010 to 2015Written in the shop10 minTechnician testing individual hybrid battery modules for voltage and resistanceHybrid batteryThe Truth About Hybrid & EV Battery TestingWritten in the shop9 minToyota Highlander Hybrid system main relay (SMR) block removed, showing heavy green corrosion on the terminals caused by water intrusionCodes and lightsP0AA62009 Highlander Hybrid P0AA6: How a Leaking Sunroof Almost Cost a Hybrid BatteryToyota Highlander HybridWritten in the shop8 minA row of Priuses of different generations parked along Atomic Auto's baysKnown issuesNissan Leaf Won’t Charge? It Might Be the PDM (Power Delivery Module)Nissan LeafWritten in the shop3 minFront wheel speed sensor removed from a 2023 Chevrolet Bolt EUV, its tip caked with metallic debris shed by a deteriorating anti-click washerKnown issuesChevrolet Bolt Clicking Noise From the Front? Often a Deteriorating Anti-Click WasherChevrolet BoltWritten in the shop5 minNote attachment | Scan report showing fault codes on a 2006 Honda Civic Hybrid after IMA battery failureCodes and lights2006 Honda Civic Hybrid Dead Battery IMA ReplacementHonda Civic HybridWritten in the shop6 minWhiteboard sketch of how a Prius tests its catalytic converter: a good converter keeps the rear sensor steady near .8 volts, a worn one lets it swing from .1 to .8 volts and sets P0420, and Toyota's list of what to checkCodes and lightsP0420Prius P0420 Code: Is It Really the Catalytic Converter?Toyota PriusWritten in the shopWhiteboard sketch of the Prius brake system: the pump fills a pressure store like a balloon, the brakes draw on it, and a small internal leak lets it go flat so the pump keeps runningCodes and lightsPrius ABS Pump Running All the Time? What’s Leaking in Your Gen 2 or Gen 3Toyota Prius, 2004 to 2009Written in the shopGen 2 Prius coolant heat storage system: the engine, the coolant flow control valve, the heat storage tank, the heater water pump, and the two coolant temperature sensors, with the hoses that join themCodes and lightsP1121Prius P1121 Code: The Thermos Bottle in Your Gen 2 and the Valve That Runs ItToyota Prius, 2004 to 2009Written in the shopOne of the Atomic crew at the front desk computerCodes and lightsC1241Toyota C1241 Code: What It Shows Up Alongside on the Prius and HighlanderToyota PriusWritten in the shop5 min

Written in the shop from real repair orders, with names removed. Fault codes are what the car reported, not a diagnosis on their own.

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Book onlineText 503-969-3134
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
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