P0A80Powertrain
Replace hybrid battery pack: the battery computer sees too much difference between the pack's blocks.
Seen most onToyota Prius 25Toyota Prius c 2Toyota Prius v 1
Model years 2004-2015Fault codes
What the codes mean, and how often they show.
The fault codes behind the reports, in plain words, with how many repair orders at the shops carried each one.
P0A93Powertrain
Inverter cooling system performance: the inverter is running hotter than it should.
Seen most onToyota Prius 150
Model years 2004-2009P1121Powertrain
Coolant flow control valve: the valve that routes stored hot coolant is stuck or not where it should be (Toyota).
Seen most onToyota Prius 148
Model years 2004-2009P0116Powertrain
Engine coolant temperature sensor range: the sensor's reading does not make sense for how the engine has run.
Seen most onSaab 9-5 72Saab 9-3 28Toyota Prius 1
Model years 1999-2008P0AA6Powertrain
High-voltage isolation fault: the high-voltage system is leaking to the body of the car somewhere.
Seen most onToyota Prius 7Toyota Highlander 4Nissan Leaf 1
Model years 2006-2015C1391Chassis
Brake accumulator pressure: the hybrid brake system's stored pressure is leaking down (Toyota).
Seen most onToyota Prius 14Toyota Prius v 3Lexus CT200h 1
Model years 2008-2015P33E6Powertrain
Lithium-ion battery capacity loss: the high-voltage battery holds noticeably less than it did (Nissan Leaf).
Not in the counted records yetRead the report
Brake accumulator low pressure: the brake pump cannot keep the accumulator charged (Toyota).
18 repair orders
Brake pump motor relay: the relay that runs the brake pump motor is not working right (Toyota).
16 repair orders
Brake pump motor runs too long: the pump takes too long to build brake pressure (Toyota).
15 repair orders
Hybrid battery cooling fan performance: the fan that cools the battery is weak or stuck.
10 repair orders
Hybrid battery cooling fan control circuit low.
3 repair orders
Low battery voltage: the brake computer saw the 12-volt supply drop too low (Toyota).
8 repair orders
Coolant pump A control circuit range: an electric water pump is not running as commanded.
6 repair orders
Coolant pump B control circuit range: the second electric water pump is not running as commanded.
3 repair orders
High-voltage battery malfunction: a general battery fault, set alongside a more specific code (Toyota).
6 repair orders
Engine coolant temperature sensor circuit low.
4 repair orders
Cylinder 1 misfire detected.
5 repair orders
Cylinder 2 misfire detected.
4 repair orders
Catalytic converter efficiency below threshold.
3 repair orders
Fuel system too lean: the engine is getting more air than the fuel it is given.
3 repair orders
Evaporative emission system incorrect purge flow.
4 repair orders
Evaporative emission system large leak detected.
3 repair orders
Coolant thermostat: the engine is taking too long to warm up.
3 repair orders
Also in the shops' records.
Codes the shops have written up on real repair orders, with no report of their own yet.