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 |
|---|---|---|---|
| P248B | Reductant heater 'A' sense circuit high | 10 | Powertrain |
| P248C | Reductant heater 'B' sense circuit low | 11 | Powertrain |
| P248D | Reductant heater 'B' sense circuit high | 10 | Powertrain |
| P248E | EGR cooler bypass control circuit/open bank 2 | 4 | Powertrain |
| P248F | EGR cooler bypass control circuit range/performance bank 2 | 4 | Powertrain |
| P2490 | EGR cooler bypass control circuit low bank 2 | 5 | Powertrain |
| P2491 | EGR cooler bypass control circuit high bank 2 | 5 | Powertrain |
| P2492 | EGR cooler bypass position sensor circuit bank 1 | 5 | Powertrain |
| P2493 | EGR cooler bypass position sensor range/performance bank 1 | 10 | Powertrain |
| P2494 | EGR cooler bypass position sensor circuit low bank 1 | 10 | Powertrain |
| P2495 | EGR cooler bypass position sensor circuit high bank 1 | 10 | Powertrain |
| P2496 | EGR cooler bypass position sensor circuit intermittent/erratic bank 1 | 5 | Powertrain |
| P2497 | EGR cooler bypass position sensor circuit bank 2 | 5 | Powertrain |
| P2498 | EGR cooler bypass position sensor range/performance bank 2 | 5 | Powertrain |
| P2499 | EGR cooler bypass position sensor circuit low bank 2 | 5 | Powertrain |
| P249A | EGR cooler bypass position sensor circuit high bank 2 | 4 | Powertrain |
| P249B | EGR cooler bypass position sensor circuit intermittent/erratic bank 2 | 4 | Powertrain |
| P249C | Excessive time to enter closed loop reductant injection control | 15 | Powertrain |
| P249D | Closed loop reductant injection control at limit - flow too low | 15 | Powertrain |
| P249E | Closed loop reductant injection control at limit - flow too high | 15 | Powertrain |
| P249F | Excessive time to enter closed loop particulate filter regeneration control | 7 | Powertrain |
| P24A0 | Closed loop particulate filter regeneration control at limit - temperature too low | 14 | Powertrain |
| P24A1 | Closed loop particulate filter regeneration control at limit - temperature too high | 14 | Powertrain |
| P24A2 | Particulate filter regeneration incomplete bank 1 | 14 | Powertrain |
| P24A3 | Particulate filter restriction - soot accumulation bank 2 | 11 | Powertrain |
| P24A4 | Gasoline Particulate Filter (GPF) blocked | 26 | Powertrain |
| P24A5 | EGR cooler bypass control stuck/open bank 1 | 10 | Powertrain |
| P24A6 | EGR cooler bypass control stuck/open bank 2 | 4 | Powertrain |
| P24A7 | EGR cooler coolant pump control circuit/open | 13 | Powertrain |
| P24A8 | EGR cooler coolant pump performance/stuck off | 13 | Powertrain |
| P24A9 | EGR cooler coolant pump control circuit low | 10 | Powertrain |
| P24AA | EGR cooler coolant pump control circuit high | 12 | Powertrain |
| P24AB | EGR cooler coolant pump stuck on | 4 | Powertrain |
| P24AC | EGR cooler coolant pump feedback circuit low | 10 | Powertrain |
| P24AD | EGR cooler coolant pump feedback circuit high | 10 | Powertrain |
| P24AE | Particulate Matter Sensor Circuit | 18 | Powertrain |
| P24AF | Particulate Matter Sensor Circuit Range/Performance | 19 | Powertrain |
| P24B0 | Particulate matter sensor circuit low | 15 | Powertrain |
| P24B1 | Particulate Matter Sensor Circuit High | 17 | Powertrain |
| P24B2 | Particulate matter sensor circuit intermittent | 6 | Powertrain |
| P24B3 | Particulate matter sensor heater control circuit/open | 16 | Powertrain |
| P24B4 | Particulate matter sensor heater control circuit range/performance | 13 | Powertrain |
| P24B5 | Particulate matter sensor heater control circuit low | 13 | Powertrain |
| P24B6 | Particulate Matter Sensor Heater Control Circuit High | 16 | Powertrain |
| P24B7 | Particulate Matter Sensor Heater Resistance | 15 | Powertrain |
| P24B8 | EVAP system leak detection pump pressure sensor circuit | 6 | Powertrain |
| P24B9 | EVAP System Leak Detection Pump Pressure Sensor Circuit Range/Performance | 14 | Powertrain |
| P24BA | EVAP System Leak Detection Pump Pressure Sensor Circuit Low | 14 | Powertrain |
| P24BB | EVAP System Leak Detection Pump Pressure Sensor Circuit High | 14 | Powertrain |
| P24BC | EVAP system leak detection pump pressure sensor circuit intermittent | 4 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.