P2500-P2599

• P2500 Generator Lamp/L-Terminal Circuit Low
• P2501 Generator Lamp/L-Terminal Circuit High
• P2502 Charging System Voltage
• P2503 Charging System Voltage Low
• P2504 Charging System Voltage High
• P2505 ECM/PCM Power Input Signal
• P2506 ECM/PCM Power Input Signal Range/Performance
• P2507 ECM/PCM Power Input Signal Low
• P2508 ECM/PCM Power Input Signal High
• P2509 ECM/PCM Power Input Signal Intermittent
• P250A Engine Oil Level Sensor Circuit
• P250B Engine Oil Level Sensor Circuit Range/Performance
• P250C Engine Oil Level Sensor Circuit Low
• P250D Engine Oil Level Sensor Circuit High
• P250E Engine Oil Level Sensor Circuit Intermittent/Erratic
• P250F Engine Oil Level Too Low
• P2510 ECM/PCM Power Relay Sense Circuit Range/Performance
• P2511 ECM/PCM Power Relay Sense Circuit Intermittent
• P2512 Event Data Recorder Request Circuit/ Open
• P2513 Event Data Recorder Request Circuit Low
• P2514 Event Data Recorder Request Circuit High
• P2515 A/C Refrigerant Pressure Sensor “B” Circuit
• P2516 A/C Refrigerant Pressure Sensor “B” Circuit Range/Performance
• P2517 A/C Refrigerant Pressure Sensor “B” Circuit Low
• P2518 A/C Refrigerant Pressure Sensor “B” Circuit High
• P2519 A/C Request “A” Circuit
• P251A PTO Enable Switch Circuit/Open
• P251B PTO Enable Switch Circuit Low
• P251C PTO Enable Switch Circuit High
• P251D PTO Engine Shutdown Circuit/Open
• P251E PTO Engine Shutdown Circuit Low
• P251F PTO Engine Shutdown Circuit High
• P2520 A/C Request “A” Circuit Low
• P2521 A/C Request “A” Circuit High
• P2522 A/C Request “B” Circuit
• P2523 A/C Request “B” Circuit Low
• P2524 A/C Request “B” Circuit High
• P2525 Vacuum Reservoir Pressure Sensor Circuit
• P2526 Vacuum Reservoir Pressure Sensor Circuit Range/Performance
• P2527 Vacuum Reservoir Pressure Sensor Circuit Low
• P2528 Vacuum Reservoir Pressure Sensor Circuit High
• P2529 Vacuum Reservoir Pressure Sensor Circuit Intermittent
• P252A Engine Oil Quality Sensor Circuit
• P252B Engine Oil Quality Sensor Circuit Range/Performance
• P252C Engine Oil Quality Sensor Circuit Low
• P252D Engine Oil Quality Sensor Circuit High
• P252E Engine Oil Quality Circuit Intermittent/Erratic
• P252F Engine Oil Level Too High
• P2530 Ignition Switch Run Position Circuit
• P2531 Ignition Switch Run Position Circuit Low
• P2532 Ignition Switch Run Position Circuit High
• P2533 Ignition Switch Run/Start Position Circuit
• P2534 Ignition Switch Run/Start Position Circuit Low
• P2535 Ignition Switch Run/Start Position Circuit High
• P2536 Ignition Switch Accessory Position Circuit
• P2537 Ignition Switch Accessory Position Circuit Low
• P2538 Ignition Switch Accessory Position Circuit High
• P2539 Low Pressure Fuel System Sensor Circuit
• P253A PTO Sense Circuit/Open
• P253B PTO Sense Circuit Range/Performance
• P253C PTO Sense Circuit Low
• P253D PTO Sense Circuit High
• P253E PTO Sense Circuit Intermittent/Erratic
• P253F Engine Oil Deteriorated
• P2540 Low Pressure Fuel System Sensor Circuit Range/Performance
• P2541 Low Pressure Fuel System Sensor Circuit Low
• P2542 Low Pressure Fuel System Sensor Circuit High
• P2543 Low Pressure Fuel System Sensor Circuit Intermittent
• P2544 Torque Management Request Input Signal “A”
• P2545 Torque Management Request Input Signal “A” Range/Performance
• P2546 Torque Management Request Input Signal “A” Low
• P2547 Torque Management Request Input Signal “A” High
• P2548 Torque Management Request Input Signal “B”
• P2549 Torque Management Request Input Signal “B” Range/Performance
• P254A PTO Speed Selector Sensor/Switch 1 Circuit/Open
• P254B PTO Speed Selector Sensor/Switch 1 Range/Performance
• P254C PTO Speed Selector Sensor/Switch 1 Circuit Low
• P254D PTO Speed Selector Sensor/Switch 1 Circuit High
• P254E PTO Speed Selector Sensor/Switch 1 Circuit Intermittent/Erratic
• P254F Engine Hood Switch Circuit
• P2550 Torque Management Request Input Signal “B” Low
• P2551 Torque Management Request Input Signal “B” High
• P2552 Throttle/Fuel Inhibit Circuit
• P2553 Throttle/Fuel Inhibit Circuit Range/Performance
• P2554 Throttle/Fuel Inhibit Circuit Low
• P2555 Throttle/Fuel Inhibit Circuit High
• P2556 Engine Coolant Level Sensor/Switch Circuit
• P2557 Engine Coolant Level Sensor/Switch Circuit Range/Performance
• P2558 Engine Coolant Level Sensor/Switch Circuit Low
• P2559 Engine Coolant Level Sensor/Switch Circuit High
• P255A PTO Speed Selector Sensor/Switch 2 Circuit/Open
• P255B PTO Speed Selector Sensor/Switch 2 Range/Performance
• P255C PTO Speed Selector Sensor/Switch 2 Circuit Low
• P255D PTO Speed Selector Sensor/Switch 2 Circuit High
• P255E PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic
• P255F A/C Request “A” Circuit Range/Performance
• P2560 Engine Coolant Level Low
• P2561 A/C Control Module Requested MIL Illumination
• P2562 Turbocharger Boost Control Position Sensor “A” Circuit
• P2563 Turbocharger Boost Control Position Sensor “A” Circuit Range/Performance
• P2564 Turbocharger Boost Control Position Sensor “A” Circuit Low
• P2565 Turbocharger Boost Control Position Sensor “A” Circuit High
• P2566 Turbocharger Boost Control Position Sensor “A” Circuit Intermittent
• P2567 Direct Ozone Reduction Catalyst Temperature Sensor Circuit
• P2568 Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance
• P2569 Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low
• P256A Engine Idle Speed Selector Sensor/Switch Circuit/Open
• P256B Engine Idle Speed Selector Sensor/Switch Range/Performance
• P256C Engine Idle Speed Selector Sensor/Switch Circuit Low
• P256D Engine Idle Speed Selector Sensor/Switch Circuit High
• P256E Engine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic
• P256F A/C Request “B” Circuit Range/Performance
• P2570 Direct Ozone Reduction Catalyst Temperature Sensor Circuit High
• P2571 Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic
• P2572 Direct Ozone Reduction Catalyst Deterioration Sensor Circuit
• P2573 Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance
• P2574 Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low
• P2575 Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High
• P2576 Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic
• P2577 Direct Ozone Reduction Catalyst Efficiency Below Threshold
• P2578 Turbocharger Speed Sensor Circuit
• P2579 Turbocharger Speed Sensor Circuit Range/Performance
• P257A Vacuum Reservoir Control Circuit/Open
• P257B Vacuum Reservoir Control Circuit Low
• P257C Vacuum Reservoir Control Circuit High
• P257D Engine Hood Switch Circuit Range/Performance
• P257E Engine Hood Switch Circuit Low
• P257F Engine Hood Switch Circuit High
• P2580 Turbocharger Speed Sensor Circuit Low
• P2581 Turbocharger Speed Sensor Circuit High
• P2582 Turbocharger Speed Sensor Circuit Intermittent
• P2583 Cruise Control Front Distance Range Sensor Single Sensor or Center
• P2584 Fuel Additive Control Module Requested MIL Illumination
• P2585 Fuel Additive Control Module Warning Lamp Request
• P2586 Turbocharger Boost Control Position Sensor “B” Circuit
• P2587 Turbocharger Boost Control Position Sensor “B” Circuit Range/Performance
• P2588 Turbocharger Boost Control Position Sensor “B” Circuit Low
• P2589 Turbocharger Boost Control Position Sensor “B” Circuit High
• P258A Vacuum Pump Control Circuit/Open
• P258B Vacuum Pump Control Range/Performance
• P258C Vacuum Pump Control Circuit Low
• P258D Vacuum Pump Control Circuit High
• P258E PTO Enable Switch Performance
• P258F Torque Management Request Output Signal
• P2590 Turbocharger Boost Control Position Sensor “B” Circuit Intermittent/Erratic
• P2591 Cruise Control Front Distance Range Sensor Left
• P2592 Cruise Control Front Distance Range Sensor Right
• P2593 through P25FF ISO/SAE Reserved