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 |
|---|---|---|---|
| P24EF | Control module wake-up circuit/open | 4 | Powertrain |
| P24F0 | Control module wake-up circuit low | 11 | Powertrain |
| P24F1 | Control module wake-up circuit high | 10 | Powertrain |
| P24F2 | EGR temperature/charge air cooler temperature correlation | 7 | Powertrain |
| P24F3 | Reductant tank temperature/fuel temperature correlation | 7 | Powertrain |
| P24F4 | NOx sensor delayed response - high to low bank 1 sensor 1 | 5 | Powertrain |
| P24F5 | NOx sensor delayed response - high to low bank 1 sensor 2 | 5 | Powertrain |
| P24F6 | Exhaust aftertreatment fuel air purge valve stuck open | 4 | Powertrain |
| P24F7 | Exhaust aftertreatment fuel air purge valve stuck closed | 4 | Powertrain |
| P24F8 | Exhaust aftertreatment fuel air purge valve control circuit | 4 | Powertrain |
| P24F9 | Exhaust aftertreatment fuel air purge valve control circuit range/performance | 4 | Powertrain |
| P24FA | Exhaust aftertreatment fuel air purge valve control circuit low | 4 | Powertrain |
| P24FB | Exhaust aftertreatment fuel air purge valve control circuit high | 4 | Powertrain |
| P24FC | Particulate matter sensor heater control circuit driver current/temperature too high | 4 | Powertrain |
| P24FD | Particulate filter 'A' incorrect | 5 | Powertrain |
| P24FE | SCR catalyst incorrect | 5 | Powertrain |
| P24FF | Reductant temperature too high | 7 | Powertrain |
| P2500 | Generator Lamp/L-Terminal Circuit Low | 31 | Powertrain |
| P2501 | Generator Lamp/L-Terminal Circuit High | 32 | Powertrain |
| P2502 | Charging system voltage | 31 | Powertrain |
| P2503 | Charging system voltage is low | 30 | Powertrain |
| P2504 | Main relay output voltage too high, forced shutdown | 28 | Powertrain |
| P2505 | ECM/PCM power input signal | 28 | Powertrain |
| P2506 | ECM/PCM power input signal range/performance | 25 | Powertrain |
| P2507 | ECM/PCM power input signal low | 26 | Powertrain |
| P2508 | ECM/PCM power input signal high | 25 | Powertrain |
| P2509 | ECM/PCM power input signal intermittent | 24 | Powertrain |
| P250A | Oil level sensor signal failure | 24 | Powertrain |
| P250B | Engine oil level sensor circuit range/performance | 24 | Powertrain |
| P250C | Engine oil level sensor circuit low | 25 | Powertrain |
| P250D | Engine oil level sensor circuit high | 25 | Powertrain |
| P250E | Engine oil level sensor circuit intermittent/erratic | 21 | Powertrain |
| P250F | Engine oil level too low | 23 | Powertrain |
| P2510 | ECM/PCM power relay sense circuit range/performance | 25 | Powertrain |
| P2511 | ECM/PCM power relay sense circuit intermittent | 27 | Powertrain |
| P2512 | Event data recorder request circuit/ open | 24 | Powertrain |
| P2513 | Event data recorder request circuit low | 24 | Powertrain |
| P2514 | Event data recorder request circuit high | 24 | Powertrain |
| P2515 | A/C Refrigerant Pressure Sensor B Circuit | 22 | Powertrain |
| P2516 | A/C Refrigerant Pressure Sensor B Circuit Range/Performance | 23 | Powertrain |
| P2517 | A/C Refrigerant Pressure Sensor B Circuit Low | 25 | Powertrain |
| P2518 | A/C Refrigerant Pressure Sensor B Circuit High | 25 | Powertrain |
| P2519 | A/C Request A Circuit | 28 | Powertrain |
| P251A | PTO enable switch circuit/open | 22 | Powertrain |
| P251B | PTO enable switch circuit low | 20 | Powertrain |
| P251C | PTO enable switch circuit high | 20 | Powertrain |
| P251D | PTO engine shutdown circuit/open | 19 | Powertrain |
| P251E | PTO engine shutdown circuit low | 21 | Powertrain |
| P251F | PTO engine shutdown circuit high | 21 | Powertrain |
| P2520 | A/C Request A Circuit Low | 27 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.