SCANNER - DIAGNOSTICO - CODIGOS

CODIGOS OBD II
P2400  al  P2500

RELACION O LISTA DE CODIGOS, DE NUMERACION QUE EMPIEZAN CON : P2

La siguiente lista cubre todos los codigos P2 publicados hasta la fecha
Todos los codigos OBD-II que empiezan con P2, tienen un significado standard, independientemente de la marca o modelo del vehiculo
Los codigos que no empiezan con P2 ; puede ubicarlos en el siguiente enlace: OBD II

P2400 AL P2500

P2000 /P2050 P2051 /P2100 P2101 /P2150 P2051 /P2200 P2201 /P2250 P2051 /P2300 P2301 /P2360
P2400 /P2500 P2501 /P2550 P2551 /P2600 P2601 /P2650 P2651 /P2700 P2701/ P2750 P2751/P2B0A
Trouble Code Fault location / Ubicacion de Falla Probable cause / Causas Probables
P2400
Evaporative emission (EVAP) leak detection pump, control - open circuit
Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal, heater circuit
Wiring, EVAP leak detection pump
Wiring, short to positive, short to ground, HO2S, ECM
P2401 Evaporative emission (EVAP) leak detection pump, control - circuit low Wiring short to ground, EVAP leak detection pump
P2402 Evaporative emission (EVAP) leak detection pump, control - circuit high Wiring short to positive, EVAP leak detection pump
P2403 Evaporative emission (EVAP) leak detection pump, sense circuit - open circuit Wiring, EVAP leak detection pump
P2404 Evaporative emission (EVAP) leak detection pump, sense circuit - range/performance problem Wiring, EVAP leak detection pump
P2405 Evaporative emission (EVAP) leak detection pump, control - circuit low Wiring short to ground, EVAP leak detection pump
P2406 Evaporative emission (EVAP) leak detection pump, sense circuit - circuit high Wiring short to positive, EVAP leak detection pump
P2407 Evaporative emission (EVAP) leak detection pump, sense circuit - circuit intermittent/erratic Wiring, poor connection, EVAP leak detection pump
P2408 Fuel filler cap warning sensor/switch - circuit malfunction Wiring, fuel filler cap warning sensor/switch
P2409 Fuel filler cap warning sensor/switch - range/performance problem Wiring, fuel filler cap warning sensor/switch
P240A Evaporative emission (EVAP) leak detection pump heater - open circuit Wiring, EVAP leak detection pump heater, ECM
P240B Evaporative emission (EVAP) leak detection pump heater - circuit low Wiring, EVAP leak detection pump heater, ECM
P240C Evaporative emission (EVAP) leak detection pump heater - circuit high Wiring, EVAP system leak detection pump heater, ECM
 
Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal, heater circuit
Heated oxygen sensor (HO2S) 1, bank 1 - signal high, heater circuit
Wiring, short to positive, short to ground, HO2S, ECM
Wiring, short to positive, HO2S, ECM

P2410 Fuel filler cap warning sensor/switch - circuit low Wiring, short to ground, fuel filler cap warning sensor/switch
P2411 Fuel filler cap warning sensor/switch - circuit high Wiring, short to positive, fuel filler cap warning sensor/switch
P2412 Fuel filler cap warning sensor/switch - circuit intermittent/erratic Wiring, poor connection, fuel filler cap warning sensor/switch
P2413 Exhaust gas recirculation (EGR) system - performance problem Hoses blocked/leaking, EGR solenoid, EGR valve
P2414
Heated oxygen sensor (HO2S) 1, bank 1 - exhaust sample error
Oxygen sensor (O2S) 1, bank 1 - exhaust sample error
Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal
Exhaust leak, HO2S
Exhaust leak, O2S
Wiring, short to positive, short to ground, HO2S, ECM
P2415
Heated oxygen sensor (HO2S) 1, bank 2 - exhaust sample error
Oxygen sensor (O2S) 1, bank 2 - exhaust sample error
Engine coolant temperature (ECT) sensor - low signal
Exhaust leak, HO2S
Exhaust leak, HO2S
Wiring, short to ground, ECT sensor, ECM
P2416
Heated oxygen sensor (HO2S) 2, bank 1/heated oxygen sensor (HO2S) 3, bank 1 - signals transposed
Oxygen sensor (O2S) 2, bank 1/oxygen sensor (O2S) 3, bank 1 - signals transponed
Wiring
Wiring
P2417
Heated oxygen sensor (HO2S) 2, bank 2/heated oxygen sensor (HO2S) 3, bank 2 - signals transposed
Oxygen sensor (O2S) 2, bank 2/oxygen sensor (O2S) 3, bank 2 - signals transposed
Wiring
Wiring
P2418 Evaporative emission (EVAP) switching valve - open circuit Wiring, EVAP switching valve
P2419 Evaporative emission (EVAP) switching valve - open low Wiring short to ground, EVAP switching valve
P2420 Evaporative emission (EVAP) switching valve - circuit high Wiring short to positive, EVAP switching valve
P2421 Evaporative emission (EVAP) vent valve - valve stuck open EVAP vent valve
P2422 Evaporative emission (EVAP) vent valve - valve stuck closed EVAP vent valve
P2423 Hydrocarbon (HC) catalytic converter, bank 1 - efficiency below thershold HC catalytic converter
P2424 Hydrocarbon (HC) catalytic converter, bank 2 - efficiency below thershold HC catalytic converter
P2425 Exhaust gas recirculation (EGR) cooling valve - open circuit Wiring, EGR cooling valve
P2426 Exhaust gas recirculation (EGR) cooling valve - circuit low Wiring short to ground, EGR cooling valve
P2427 Exhaust gas recirculation (EGR) cooling valve - circuit high Wiring short to positive , EGR cooling valve
P2428 Exhaust gas temperature (EGT), bank 1 - temperature too high -
P2429 Exhaust gas temperature (EGT), bank 2 - temperature too high -
P242A Exhaust gas temperature sensor 3, bank 1 - circuit malfunction Wiring, exhaust gas temperature sensor, ECM
P242B Exhaust gas temperature sensor 3, bank 1 - circuit range/performance Wiring, exhaust gas temperature sensor, ECM
P242C Exhaust gas temperature sensor 3, bank 1 - circuit low Wiring, exhaust gas temperature sensor, ECM
P242D
Exhaust gas temperature sensor 3, bank 1 - circuit high
Heated oxygen sensor (HO2S) 1, bank 1 - no signal
Wiring, exhaust gas temperature sensor, ECM
Wiring, HO2S, ECM
P242E Exhaust gas temperature sensor 3, bank 1 - circuit intermittent/erratic Wiring, exhaust gas temperature sensor, ECM
P242F Diesel particulate filter (DPF) - restriction/ash accumulation DPF
P2430 Secondary air injection (AIR) system, air flow/pressure sensor, bank 1 - circuit malfunction Wiring, air flow/pressure sensor
P2431 Secondary air injection (AIR) system, air flow/pressure sensor, bank 1 - rP2435ange/performance problem Wiring, air flow/pressure sensor
P2432 Secondary air injection (AIR) system, air flow/pressure sensor, bank 1 - circuit low Wiring short to ground, air flow/pressure sensor
P2433 Secondary air injection (AIR) system, air flow/pressure sensor, bank 1 - circuit high Wiring short to positive, air flow/pressure sensor
P2434 Secondary air injection (AIR) system, air flow/pressure sensor, bank 1 - intermittent/erratic Wiring, poor connection air flow/pressure sensor
P2435 Secondary air injection (AIR) system, air flow/ pressure sensor, bank 2 - circuit malfunction Wiring, air flow/pressure sensor
P2436 Secondary air injection (AIR) system, air flow/pressure sensor, bank 2 - range/performance problem Wiring, air flow/pressure sensor
P2437 Secondary air injection (AIR) system, air flow/pressure sensor, bank 2 - circuit low Wiring short to ground, air flow/pressure sensor
P2438 Secondary air injection (AIR) system, air flow/pressure sensor, bank 2 - circuit high Wiring short to ground, air flow/pressure sensor
P2439 Secondary air injection (AIR) system, air flow/pressure sensor, bank 2 - circuit intermittent/erratic Wiring poor connection, air flow/pressure sensor
P243B Heated oxygen sensor (HO2S) 1, bank 1 - no signal Wiring HO2S, ECM
P243C Heated oxygen sensor (HO2S) 1, bank 1 - signal high Wiring, short to positive, HO2S, ECM
P2440 Secondary air injection (AIR) swittching valve, bank 1 - valve stuck open AIR switching valve
P2441 Secondary air injection (AIR) swittching valve, bank 1 - valve stuck closed AIR switching valve
P2442 Secondary air injection (AIR) swittching valve, bank 2 - valve stuck open AIR switching valve
P2443 Secondary air injection (AIR) swittching valve, bank 2 - valve stuck closed AIR switching valve
P2444 Secondary air injection (AIR) pum, bank 1 -  pum stuck on AIR pum
P2445 Secondary air injection (AIR) pum, bank 1 -  pum stuck off AIR pum
P2446 Secondary air injection (AIR) pum, bank 2 -  pum stuck on AIR pum
P2447 Secondary air injection (AIR) pum, bank 2 -  pum stuck off AIR pum
P244A Diesel particulate filter (DPF) - differential pressure too low -
P244B Diesel particulate filter (DPF) - differential pressure too high Wiring, HO2S, ECM
Heated oxygen sensor (HO2S) 1, 1 bank 1 - no signal -
P244C Diesel particulate filter (DPF), bank 1 - exhaust temperature too low for regeneration  -
Heated oxygen sensor (HO2S) 1 bank 1 - signal high, heater circuit Wiring, short to positive, HO2S, ECM
P244D Diesel particulate filter (DPF), bank 1 - exhaust temperature too high for regeneration -

 

Wiring, short to positive, HO2S, ECM Wiring, short to ground, HO2S, ECM
P244E Diesel particulate filter (DPF), bank 2 - exhaust temperature too low for regeneration -
P244F Diesel particulate filter (DPF), bank 2 - exhaust temperature too high for regeneration -
P2450 Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal Wiring, short to positive, short to ground, HO2S, ECM
P245A Exhaust gas recirculation (EGR) cooler bypass valve - control circuit malfunction Wiring, EGR cooler bypass valve, ECM
P245B Exhaust gas recirculation (EGR) cooler bypass valve - control circuit range/performance

Heated oxygen sensor (HO2S) 1, bank 1 - no signal

Wiring, EGR cooler bypass valve, ECM
Wiring, HO2S, ECM
P245C Exhaust gas recirculation (EGR) cooler bypass valve - control circuit low

heated oxygen sensor (HO2S) 1, bank 1 - signal high heater circuit

Wiring, EGR cooler bypass valve, ECM
Wiring, short to ground, HO2S, ECM
P245D Exhaust gas recirculation (EGR) cooler bypass valve - control circuit high

Heated oxygen sensor (HO2S) 1, bank 1 - signal low

Wiring, EGR cooler bypass valve, ECM
Wiring, short to ground, HO2S, ECM
P245E Diesel particulate filter (DPF) pressure sensor B - circuit malfuntion Wiring, DPF pressure sensor, ECM
P245F Diesel particulate filter (DPF) pressure differenntial sensor B - circuit range/performance Wiring, DPF pressure differential sensor, ECM
P246B Heated oxygen sensor (HO2S) 1, bank 1 - no signal Wiring, HO2S, ECM
P2470 Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal Wiring, short to positive, short to ground, HO2S, ECM
P247B Heated oxygen sensor (HO2S) 1, bank 1 - no signal Wiring, HO2S, ECM
P247C Heated oxygen sensor (HO2S) 1, bank 1 - signal high, heater circuit Wiring, short to positive, HO2S, ECM
P248C Heated oxygen sensor (HO2S) 1, bank 1 - signal high, heater circuit Wiring, short to positive, HO2S, ECM
P248D Heated oxygen sensor (HO2S) 1, bank 1 - signal low Wiring, short to ground, HO2S, ECM
P249B Heated oxygen sensor (HO2S) 1, bank 1 - no signal Wiring, HO2S, ECM
P24AB Heated oxygen sensor (HO2S) 1, bank 1 - no signal Wiring, HO2S, ECM
P24C0 Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal Wiring, short to positive, short to ground HO2S, ECM
P24CB Heated oxygen sensor (HO2S) 1, bank 1 - no signal Wiring, HO2S, ECM
P24CC Heated oxygen sensor (HO2S) 1, namk 1 - signal high, heater circuit Wiring, short to positive, HO2S, ECM
P24CD Heated oxygen sensor (HO2S) 1, bank 1 - signal low Wiring, short to ground, HO2S, ECM
P24D0 Heated oxygen sensor (HO2S) 1, bank 1 - implausible signal Wiring, short to positive, short to ground HO2S, ECM
P24EB Heated oxygen sensor (HO2S) 3, bank 1 - slow response Wiring, HO2S
P24EC Heated oxygen sensor (HO2S) 3, bank 1 - slow response Wiring, HO2S
P2500 Alternator waming lamp, L-terminal - circuit low Wiring short to ground, alternator, instrument panel

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