DFFS fault codes
7,984 codes · 47 vehicle records · 0 ECU records · 0 live-data parameters
Codes 7,984
| Code | Description | Brands | System |
|---|---|---|---|
| P2547 | Torque Management Request Input Signal A High | 25 | Powertrain |
| P2548 | Torque Management Request Input Signal B | 26 | Powertrain |
| P2549 | Torque Management Request Input Signal B Range/Performance | 23 | Powertrain |
| P254A | PTO speed selector sensor/switch 1 circuit/open | 19 | Powertrain |
| P254B | PTO speed selector sensor/switch 1 range/performance | 19 | Powertrain |
| P254C | PTO speed selector sensor/switch 1 circuit low | 19 | Powertrain |
| P254D | PTO speed selector sensor/switch 1 circuit high | 22 | Powertrain |
| P254E | PTO speed selector sensor/switch 1 circuit intermittent/erratic | 19 | Powertrain |
| P254F | Front hood cover switch failure | 25 | Powertrain |
| P2550 | Torque Management Request Input Signal B Low | 23 | Powertrain |
| P2551 | Torque Management Request Input Signal B High | 24 | Powertrain |
| P2552 | Throttle/Fuel Inhibit Circuit | 27 | Powertrain |
| P2553 | Throttle/Fuel Inhibit Circuit Range/Performance | 26 | Powertrain |
| P2554 | Throttle/Fuel Inhibit Circuit Low | 25 | Powertrain |
| P2555 | Throttle/Fuel Inhibit Circuit High | 27 | Powertrain |
| P2556 | Engine coolant level sensor/switch circuit | 22 | Powertrain |
| P2557 | Engine coolant level sensor/switch circuit range/performance | 20 | Powertrain |
| P2558 | Engine coolant level sensor/switch circuit low | 22 | Powertrain |
| P2559 | Engine coolant level sensor/switch circuit high | 21 | Powertrain |
| P255A | PTO speed selector sensor/switch 2 circuit/open | 20 | Powertrain |
| P255B | PTO speed selector sensor/switch 2 range/performance | 19 | Powertrain |
| P255C | PTO speed selector sensor/switch 2 circuit low | 19 | Powertrain |
| P255D | PTO speed selector sensor/switch 2 circuit high | 19 | Powertrain |
| P255E | PTO speed selector sensor/switch 2 circuit intermittent/erratic | 19 | Powertrain |
| P2560 | Engine coolant level low | 25 | Powertrain |
| P2561 | A/C control module requested MIL illumination | 30 | Powertrain |
| P2562 | Turbocharger Boost Control Position Sensor A Circuit | 31 | Powertrain |
| P2563 | Turbocharger Boost Control Position Sensor A Circuit Range/Performance | 35 | Powertrain |
| P2564 | Turbocharger Boost Control Position Sensor A Circuit Low | 35 | Powertrain |
| P2565 | Turbocharger Boost Control Position Sensor A Circuit High | 35 | Powertrain |
| P2566 | Turbocharger Boost Control Position Sensor A Circuit Intermittent | 24 | Powertrain |
| P2567 | Direct ozone reduction catalyst temperature sensor circuit | 25 | Powertrain |
| P2568 | Direct ozone reduction catalyst temperature sensor circuit range/performance | 22 | Powertrain |
| P2569 | Direct ozone reduction catalyst temperature sensor circuit low | 22 | Powertrain |
| P256A | Engine idle speed selector sensor/switch circuit/open | 20 | Powertrain |
| P256B | Engine idle speed selector sensor/switch range/performance | 19 | Powertrain |
| P256C | Engine idle speed selector sensor/switch circuit low | 20 | Powertrain |
| P256D | Engine idle speed selector sensor/switch circuit high | 20 | Powertrain |
| P256E | Engine idle speed selector sensor/switch circuit intermittent/erratic | 19 | Powertrain |
| P2570 | Direct ozone reduction catalyst temperature sensor circuit high | 22 | Powertrain |
| P2571 | Direct ozone reduction catalyst temperature sensor circuit intermittent/erratic | 23 | Powertrain |
| P2572 | Direct ozone reduction catalyst deterioration sensor circuit | 23 | Powertrain |
| P2573 | Direct ozone reduction catalyst deterioration sensor circuit range/performance | 23 | Powertrain |
| P2574 | Direct ozone reduction catalyst deterioration sensor circuit low | 24 | Powertrain |
| P2575 | Direct ozone reduction catalyst deterioration sensor circuit high | 24 | Powertrain |
| P2576 | Direct ozone reduction catalyst deterioration sensor circuit intermittent/erratic | 24 | Powertrain |
| P2577 | Direct ozone reduction catalyst efficiency below threshold | 23 | Powertrain |
| P2578 | Turbocharger Speed Sensor Circuit | 24 | Powertrain |
| P2579 | Turbocharger Speed Sensor Circuit Range/Performance | 24 | Powertrain |
| P257A | Vacuum reservoir control circuit/open | 19 | Powertrain |
Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.