Toyota fault codes
12,945 codes · 876 vehicle records · 1,973 ECU records · 43,462 live-data parameters
Codes 12,945
| Code | Description | Brands | System |
|---|---|---|---|
| P1E1F | Auxiliary transmission fluid pump control module Hybrid/EV battery voltage isolation sensing circuit 2 high voltage | 13 | Powertrain |
| P1E22 | In plant mode active | 13 | Powertrain |
| P1E23 | Mode abnormality | 15 | Powertrain |
| P1E27 | Irreversible collision signal occurs (Pulse-Width Modulation hard wire) | 14 | Powertrain |
| P1E28 | EGR 1 high side control circuit high | 13 | Powertrain |
| P1E2C | Auxiliary transmission fluid pump phase U current sensor performance | 12 | Powertrain |
| P1E2D | Auxiliary transmission fluid pump phase V current sensor circuit low voltage | 12 | Powertrain |
| P1E32 | Auxiliary transmission fluid pump phase W current sensor performance | 12 | Powertrain |
| P1E33 | Auxiliary transmission fluid pump phase U-V-W current sensors not plausible | 12 | Powertrain |
| P1E36 | Auxiliary transmission fluid pump inverter temperature sensor performance | 12 | Powertrain |
| P1E38 | Auxiliary transmission fluid pump inverter supply voltage circuit | 12 | Powertrain |
| P1E39 | Auxiliary transmission fluid pump inverter performance | 11 | Powertrain |
| P1E3A | Auxiliary transmission fluid pump motor torque delivered performance | 11 | Powertrain |
| P1E3B | Drive motor rotor high temperature | 11 | Powertrain |
| P1E3D | Control module calculated Hybrid/EV battery performance | 11 | Powertrain |
| P1E3F | 14V power module read only memory | 10 | Powertrain |
| P1E40 | 14V power module Hybrid/EV battery system voltage performance | 11 | Powertrain |
| P1E41 | 14V power module Hybrid/EV battery system overvoltage sensing circuit | 12 | Powertrain |
| P1E42 | 14V power module Hybrid/EV battery system voltage high voltage | 11 | Powertrain |
| P1E43 | 14V power module system overvoltage sensing circuit | 11 | Powertrain |
| P1E44 | 14V power module system voltage high voltage | 12 | Powertrain |
| P1E47 | 14V power module temperature sensor 1 circuit high temperature | 13 | Powertrain |
| P1E48 | 14V power module temperature sensor 2 high temperature sensing circuit | 13 | Powertrain |
| P1E49 | 14V power module temperature sensor 2 circuit high temperature | 12 | Powertrain |
| P1E4A | Control module redundant drive motor 1 speed sensing circuit | 13 | Powertrain |
| P1E4F | Main positive contactor cannot close | 14 | Powertrain |
| P1E50 | Main negative contactor stuck | 12 | Powertrain |
| P1E5A | Hybrid/EV battery 47 circuit | 11 | Powertrain |
| P1E5F | Hybrid/EV battery 52 circuit | 11 | Powertrain |
| P1E60 | Hybrid/EV battery 53 circuit | 11 | Powertrain |
| P1E6A | Hybrid/EV battery 63 circuit | 10 | Powertrain |
| P1E6B | Hybrid/EV battery 64 circuit | 10 | Powertrain |
| P1E6D | Cell voltage too high warning | 12 | Powertrain |
| P1E6E | Cell voltage is too high | 12 | Powertrain |
| P1E6F | Cell voltage too low | 12 | Powertrain |
| P1E73 | BATT.TEMP sensor circuit(2) | 13 | Powertrain |
| P1E7F | Hybrid/EV battery 84 circuit | 11 | Powertrain |
| P1E82 | Module temperature is too high | 12 | Powertrain |
| P1E83 | Module temperature is too high | 12 | Powertrain |
| P1E85 | Thermal management failure - the water inlet temperature is too low in heating mode | 12 | Powertrain |
| P1E86 | Thermal management failure - Water inlet temperature sensor failure | 12 | Powertrain |
| P1E87 | Thermal management failure - Water outlet temperature sensor failure | 12 | Powertrain |
| P1E88 | Battery aging - Battery state of health (SOH) too low (warning level) | 12 | Powertrain |
| P1E8A | Balance stop reason - Balance circuit failure | 12 | Powertrain |
| P1E8B | Balance stop reason - Passive Balance temperature exceeds limit | 12 | Powertrain |
| P1E8C | Driving feedback current excessive warning | 12 | Powertrain |
| P1E8D | Driving feedback current is too large | 12 | Powertrain |
| P1E8E | Driving feedback current is too large | 12 | Powertrain |
| P1E90 | Charging current is too large | 12 | Powertrain |
| P1E91 | Hybrid/EV battery interface control module 1 long term memory performance | 11 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.