Code Interpretation Code Interpretation
P2403 Evaporative Emission System Leak Detect Pump Sense
Circ/Open
P2404 Evaporative Emission System Leak Detect Pump Sense Circ
Range/Perf
P2405 Evaporative Emission System Leak Detect Pump Sense Circ
Low
P2406 Evaporative Emission System Leak Detect Pump Sense Circ
High
P2407 Evaporative Emission System Leak Detect Pump Sense Circ
Interm./Erratic
P2408 Fuel Cap Sens/Switch Circ
P2409 Fuel Cap Sens/Switch Circ Range/Perf
P2410 Fuel Cap Sens/Switch Circ Low
P2411 Fuel Cap Sens/Switch Circ High
P2412 Fuel Cap Sens/Switch Circ Interm./Erratic
P2413 Exhaust Gas Recirculation System Perf
P2414 O2 Sens Exhaust Sample Error bank1 Sens1
P2415 O2 Sens Exhaust Sample Error bank2 Sens1
P2416 O2 Sens Signals Swapped bank1 Sens2 / bank1 Sens3
P2417 O2 Sens Signals Swapped bank2 Sens2 / bank2 Sens3
P2418 Evaporative Emission System Switching Valve Ctrl Circ
/Open
P2419 Evaporative Emission System Switching Valve Ctrl Circ Low
P2420 Evaporative Emission System Switching Valve Ctrl Circ High
P2421 Evaporative Emission System Vent Valve Stuck Open
P2422 Evaporative Emission System Vent Valve Stuck Closed
P2423 HC Adsorption Catalyst Efficiency Below Threshold bank1
P2424 HC Adsorption Catalyst Efficiency Below Threshold bank2
P2425 Exhaust Gas Recirculation Cooling Valve Ctrl Circ/Open
P2426 Exhaust Gas Recirculation Cooling Valve Ctrl Circ Low
P2427 Exhaust Gas Recirculation Cooling Valve Ctrl Circ High
P2428 Exhaust Gas Temp Too High bank1
P2429 Exhaust Gas Temp Too High bank2
P2430 Secondary Air Injection System Air Flow/Pressure Sens Circ
bank1
P2431 Secondary Air Injection System Air Flow/Pressure Sens Circ
Range/Perf bank1
P2432 Secondary Air Injection System Air Flow/Pressure Sens Circ
Low bank1
P2433 Secondary Air Injection System Air Flow/Pressure Sens Circ
High bank1
P2434 Secondary Air Injection System Air Flow/Pressure Sens Circ
Interm./Erratic bank1
P2435 Secondary Air Injection System Air Flow/Pressure Sens Circ
bank2
P2436 Secondary Air Injection System Air Flow/Pressure Sens Circ
Range/Perf bank2
P2437 Secondary Air Injection System Air Flow/Pressure Sens Circ
Low bank2
P2438 Secondary Air Injection System Air Flow/Pressure Sens Circ
High bank2
P2439 Secondary Air Injection System Air Flow/Pressure Sens Circ
Interm./Erratic bank2
P2440 Secondary Air Injection System Switching Valve Stuck Open
bank1
P2441 Secondary Air Injection System Switching Valve Stuck
Closed bank1
P2442 Secondary Air Injection System Switching Valve Stuck Open
bank2
P2443 Secondary Air Injection System Switching Valve Stuck
Closed bank2
P2444 Secondary Air Injection System Pump Stuck On bank1
P2445 Secondary Air Injection System Pump Stuck Off bank1
P2446 Secondary Air Injection System Pump Stuck On bank2
P2447 Secondary Air Injection System Pump Stuck Off bank2
P2500 Generator Lamp/L-Terminal Circ Low
P2501 Generator Lamp/L-Terminal Circ High
P2502 Charging System Voltage
P2503 Charging System Voltage Low
P2504 Charging System Voltage High
P2505 1) ECM/PCM Power Input Signal
P2506 1) ECM/PCM Power Input Signal Range/Perf
P2507 1) ECM/PCM Power Input Signal Low
P2508 1) ECM/PCM Power Input Signal High
P2509 1) ECM/PCM Power Input Signal Interm.
P2510 ECM/PCM Power Relay Sense Circ Range/Perf
P2511 ECM/PCM Power Relay Sense Circ Interm.
P2512 Event Data Recorder Request Circ/ Open
P2513 Event Data Recorder Request Circ Low
P2514 Event Data Recorder Request Circ High
P2515 A/C Refrigerant Pressure Sens B Circ
P2516 A/C Refrigerant Pressure Sens B Circ Range/Perf
P2517 A/C Refrigerant Pressure Sens B Circ Low
P2518 A/C Refrigerant Pressure Sens B Circ High
P2519 A/C Request A Circ
P2520 A/C Request A Circ Low
P2521 A/C Request A Circ High
P2522 A/C Request B Circ
P2523 A/C Request B Circ Low
P2524 A/C Request B Circ High
P2525 Vacuum Reservoir Pressure Sens Circ
P2526 Vacuum Reservoir Pressure Sens Circ Range/Perf
P2527 Vacuum Reservoir Pressure Sens Circ Low
P2528 Vacuum Reservoir Pressure Sens Circ High
P2529 Vacuum Reservoir Pressure Sens Circ Interm.
P2530 Ignition Switch Run Position Circ
P2531 Ignition Switch Run Position Circ Low
P2532 Ignition Switch Run Position Circ High
P2533 Ignition Switch Run/Start Position Circ
P2534 Ignition Switch Run/Start Position Circ Low
P2535 Ignition Switch Run/Start Position Circ High
P2536 Ignition Switch Accessory Position Circ
P2537 Ignition Switch Accessory Position Circ Low
P2538 Ignition Switch Accessory Position Circ High
P2539 Low Pressure Fuel System Sens Circ
P2540 Low Pressure Fuel System Sens Circ Range/Perf
P2541 Low Pressure Fuel System Sens Circ Low
P2542 Low Pressure Fuel System Sens Circ High
P2543 Low Pressure Fuel System Sens Circ Interm.
P2544 Torque Management Request Input Signal A
P2545 Torque Management Request Input Signal A Range/Perf
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/Perf
P2550 Torque Management Request Input Signal B Low
P2551 Torque Management Request Input Signal B High
P2552 Throttle/Fuel Inhibit Circ
P2553 Throttle/Fuel Inhibit Circ Range/Perf
P2554 Throttle/Fuel Inhibit Circ Low
P2555 Throttle/Fuel Inhibit Circ High
P2556 Engine Coolant Level Sens/Switch Circ
P2557 Engine Coolant Level Sens/Switch Circ Range/Perf
P2558 Engine Coolant Level Sens/Switch Circ Low
P2559 Engine Coolant Level Sens/Switch Circ High
P2560 Engine Coolant Level Low
P2561 A/C Ctrl Mod Requested MIL Illumination
P2562 Turbocharger Boost Ctrl Position Sens Circ
P2563 Turbocharger Boost Ctrl Position Sens Circ Range/Perf
P2564 Turbocharger Boost Ctrl Position Sens Circ Low
P2565 Turbocharger Boost Ctrl Position Sens Circ High
P2566 Turbocharger Boost Ctrl Position Sens Circ Interm.
P2567 Direct Ozone Reduction Catalyst Temp Sens Circ
P2568 Direct Ozone Reduction Catalyst Temp Sens Circ
Range/Perf
P2569 Direct Ozone Reduction Catalyst Temp Sens Circ Low
P2570 Direct Ozone Reduction Catalyst Temp Sens Circ High
P2571 Direct Ozone Reduction Catalyst Temp Sens Circ
Interm./Erratic
P2572 Direct Ozone Reduction Catalyst Deterioration Sens Circ
P2573 Direct Ozone Reduction Catalyst Deterioration Sens Circ
Range/Perf
P2574 Direct Ozone Reduction Catalyst Deterioration Sens Circ Low
P2575 Direct Ozone Reduction Catalyst Deterioration Sens Circ
High
P2576 Direct Ozone Reduction Catalyst Deterioration Sens Circ
Interm./Erratic
P2577 Direct Ozone Reduction Catalyst Efficiency Below Threshold
P2600 Coolant Pump Ctrl Circ/Open
P2601 Coolant Pump Ctrl Circ Range/Perf
P2602 Coolant Pump Ctrl Circ Low
P2603 Coolant Pump Ctrl Circ High
P2604 Intake Air Heater A Circ Range/Perf
P2605 Intake Air Heater A Circ/Open
P2606 Intake Air Heater B Circ Range/Perf
P2607 Intake Air Heater B Circ Low
P2608 Intake Air Heater B Circ High
P2609 Intake Air Heater System Perf
P2610 M/PCM Internal Engine Off Timer Perf
P2611 A/C Refrigerant Distribution Valve Ctrl Circ/Open
P2612 A/C Refrigerant Distribution Valve Ctrl Circ Low
P2613 A/C Refrigerant Distribution Valve Ctrl Circ High
P2614 Camshaft Position Signal Output Circ/Open
P2615 Camshaft Position Signal Output Circ Low
P2616 Camshaft Position Signal Output Circ High
P2617 Crankshaft Position Signal Output Circ/Open
P2618 Crankshaft Position Signal Output Circ Low
P2619 Crankshaft Position Signal Output Circ High
P2403 Evaporative Emission System Leak Detect Pump Sense
Circ/Open
P2404 Evaporative Emission System Leak Detect Pump Sense Circ
Range/Perf
P2405 Evaporative Emission System Leak Detect Pump Sense Circ
Low
P2406 Evaporative Emission System Leak Detect Pump Sense Circ
High
P2407 Evaporative Emission System Leak Detect Pump Sense Circ
Interm./Erratic
P2408 Fuel Cap Sens/Switch Circ
P2409 Fuel Cap Sens/Switch Circ Range/Perf
P2410 Fuel Cap Sens/Switch Circ Low
P2411 Fuel Cap Sens/Switch Circ High
P2412 Fuel Cap Sens/Switch Circ Interm./Erratic
P2413 Exhaust Gas Recirculation System Perf
P2414 O2 Sens Exhaust Sample Error bank1 Sens1
P2415 O2 Sens Exhaust Sample Error bank2 Sens1
P2416 O2 Sens Signals Swapped bank1 Sens2 / bank1 Sens3
P2417 O2 Sens Signals Swapped bank2 Sens2 / bank2 Sens3
P2418 Evaporative Emission System Switching Valve Ctrl Circ
/Open
P2419 Evaporative Emission System Switching Valve Ctrl Circ Low
P2420 Evaporative Emission System Switching Valve Ctrl Circ High
P2421 Evaporative Emission System Vent Valve Stuck Open
P2422 Evaporative Emission System Vent Valve Stuck Closed
P2423 HC Adsorption Catalyst Efficiency Below Threshold bank1
P2424 HC Adsorption Catalyst Efficiency Below Threshold bank2
P2425 Exhaust Gas Recirculation Cooling Valve Ctrl Circ/Open
P2426 Exhaust Gas Recirculation Cooling Valve Ctrl Circ Low
P2427 Exhaust Gas Recirculation Cooling Valve Ctrl Circ High
P2428 Exhaust Gas Temp Too High bank1
P2429 Exhaust Gas Temp Too High bank2
P2430 Secondary Air Injection System Air Flow/Pressure Sens Circ
bank1
P2431 Secondary Air Injection System Air Flow/Pressure Sens Circ
Range/Perf bank1
P2432 Secondary Air Injection System Air Flow/Pressure Sens Circ
Low bank1
P2433 Secondary Air Injection System Air Flow/Pressure Sens Circ
High bank1
P2434 Secondary Air Injection System Air Flow/Pressure Sens Circ
Interm./Erratic bank1
P2435 Secondary Air Injection System Air Flow/Pressure Sens Circ
bank2
P2436 Secondary Air Injection System Air Flow/Pressure Sens Circ
Range/Perf bank2
P2437 Secondary Air Injection System Air Flow/Pressure Sens Circ
Low bank2
P2438 Secondary Air Injection System Air Flow/Pressure Sens Circ
High bank2
P2439 Secondary Air Injection System Air Flow/Pressure Sens Circ
Interm./Erratic bank2
P2440 Secondary Air Injection System Switching Valve Stuck Open
bank1
P2441 Secondary Air Injection System Switching Valve Stuck
Closed bank1
P2442 Secondary Air Injection System Switching Valve Stuck Open
bank2
P2443 Secondary Air Injection System Switching Valve Stuck
Closed bank2
P2444 Secondary Air Injection System Pump Stuck On bank1
P2445 Secondary Air Injection System Pump Stuck Off bank1
P2446 Secondary Air Injection System Pump Stuck On bank2
P2447 Secondary Air Injection System Pump Stuck Off bank2
P2500 Generator Lamp/L-Terminal Circ Low
P2501 Generator Lamp/L-Terminal Circ High
P2502 Charging System Voltage
P2503 Charging System Voltage Low
P2504 Charging System Voltage High
P2505 1) ECM/PCM Power Input Signal
P2506 1) ECM/PCM Power Input Signal Range/Perf
P2507 1) ECM/PCM Power Input Signal Low
P2508 1) ECM/PCM Power Input Signal High
P2509 1) ECM/PCM Power Input Signal Interm.
P2510 ECM/PCM Power Relay Sense Circ Range/Perf
P2511 ECM/PCM Power Relay Sense Circ Interm.
P2512 Event Data Recorder Request Circ/ Open
P2513 Event Data Recorder Request Circ Low
P2514 Event Data Recorder Request Circ High
P2515 A/C Refrigerant Pressure Sens B Circ
P2516 A/C Refrigerant Pressure Sens B Circ Range/Perf
P2517 A/C Refrigerant Pressure Sens B Circ Low
P2518 A/C Refrigerant Pressure Sens B Circ High
P2519 A/C Request A Circ
P2520 A/C Request A Circ Low
P2521 A/C Request A Circ High
P2522 A/C Request B Circ
P2523 A/C Request B Circ Low
P2524 A/C Request B Circ High
P2525 Vacuum Reservoir Pressure Sens Circ
P2526 Vacuum Reservoir Pressure Sens Circ Range/Perf
P2527 Vacuum Reservoir Pressure Sens Circ Low
P2528 Vacuum Reservoir Pressure Sens Circ High
P2529 Vacuum Reservoir Pressure Sens Circ Interm.
P2530 Ignition Switch Run Position Circ
P2531 Ignition Switch Run Position Circ Low
P2532 Ignition Switch Run Position Circ High
P2533 Ignition Switch Run/Start Position Circ
P2534 Ignition Switch Run/Start Position Circ Low
P2535 Ignition Switch Run/Start Position Circ High
P2536 Ignition Switch Accessory Position Circ
P2537 Ignition Switch Accessory Position Circ Low
P2538 Ignition Switch Accessory Position Circ High
P2539 Low Pressure Fuel System Sens Circ
P2540 Low Pressure Fuel System Sens Circ Range/Perf
P2541 Low Pressure Fuel System Sens Circ Low
P2542 Low Pressure Fuel System Sens Circ High
P2543 Low Pressure Fuel System Sens Circ Interm.
P2544 Torque Management Request Input Signal A
P2545 Torque Management Request Input Signal A Range/Perf
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/Perf
P2550 Torque Management Request Input Signal B Low
P2551 Torque Management Request Input Signal B High
P2552 Throttle/Fuel Inhibit Circ
P2553 Throttle/Fuel Inhibit Circ Range/Perf
P2554 Throttle/Fuel Inhibit Circ Low
P2555 Throttle/Fuel Inhibit Circ High
P2556 Engine Coolant Level Sens/Switch Circ
P2557 Engine Coolant Level Sens/Switch Circ Range/Perf
P2558 Engine Coolant Level Sens/Switch Circ Low
P2559 Engine Coolant Level Sens/Switch Circ High
P2560 Engine Coolant Level Low
P2561 A/C Ctrl Mod Requested MIL Illumination
P2562 Turbocharger Boost Ctrl Position Sens Circ
P2563 Turbocharger Boost Ctrl Position Sens Circ Range/Perf
P2564 Turbocharger Boost Ctrl Position Sens Circ Low
P2565 Turbocharger Boost Ctrl Position Sens Circ High
P2566 Turbocharger Boost Ctrl Position Sens Circ Interm.
P2567 Direct Ozone Reduction Catalyst Temp Sens Circ
P2568 Direct Ozone Reduction Catalyst Temp Sens Circ
Range/Perf
P2569 Direct Ozone Reduction Catalyst Temp Sens Circ Low
P2570 Direct Ozone Reduction Catalyst Temp Sens Circ High
P2571 Direct Ozone Reduction Catalyst Temp Sens Circ
Interm./Erratic
P2572 Direct Ozone Reduction Catalyst Deterioration Sens Circ
P2573 Direct Ozone Reduction Catalyst Deterioration Sens Circ
Range/Perf
P2574 Direct Ozone Reduction Catalyst Deterioration Sens Circ Low
P2575 Direct Ozone Reduction Catalyst Deterioration Sens Circ
High
P2576 Direct Ozone Reduction Catalyst Deterioration Sens Circ
Interm./Erratic
P2577 Direct Ozone Reduction Catalyst Efficiency Below Threshold
P2600 Coolant Pump Ctrl Circ/Open
P2601 Coolant Pump Ctrl Circ Range/Perf
P2602 Coolant Pump Ctrl Circ Low
P2603 Coolant Pump Ctrl Circ High
P2604 Intake Air Heater A Circ Range/Perf
P2605 Intake Air Heater A Circ/Open
P2606 Intake Air Heater B Circ Range/Perf
P2607 Intake Air Heater B Circ Low
P2608 Intake Air Heater B Circ High
P2609 Intake Air Heater System Perf
P2610 M/PCM Internal Engine Off Timer Perf
P2611 A/C Refrigerant Distribution Valve Ctrl Circ/Open
P2612 A/C Refrigerant Distribution Valve Ctrl Circ Low
P2613 A/C Refrigerant Distribution Valve Ctrl Circ High
P2614 Camshaft Position Signal Output Circ/Open
P2615 Camshaft Position Signal Output Circ Low
P2616 Camshaft Position Signal Output Circ High
P2617 Crankshaft Position Signal Output Circ/Open
P2618 Crankshaft Position Signal Output Circ Low
P2619 Crankshaft Position Signal Output Circ High
