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SCANNER - DIAGNOSTICO - CODIGOS  OBD-ll - Mecanica automotriz

Codigos: OBD II - P2551 al P2600
Relacion de codigos con 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.

Recuerde:
Los codigos que se reportan en la lectura, solo es un reporte de la funcion del sensor; de ninguna manera indica un cambio del mismo. No caiga en la falsa tentacion de cambiarlo por uno nuevo, con la pretension de solucionar el problema.

Antes de ello.
El mecanico debe hacer pruebas de funcionamiento para determinar un posible cambio.

Por lo regular los sensores acusan consecuencias. Ubicar el origen de la falla, es funcion del mecanico o persona calificada [sistema electrico, electronico, alambrado o problemas basicos de funcionamiento del motor].

Los codigos que no empiezan con P2 ; puede ubicarlos en el siguiente enlace: OBD II
P2000 /P2050 P2051 /P2100 P2101 /P2150
P2151 /P2200 P2201 /P2250 P2251 /P2300
P2301 /P2360 P2400 /P2500 P2501 /P2550
P2551 /P2600 P2601 /P2650 P2651 /P2700
P2701/ P2750 P2751/P2B0A ---0000------
Trouble Code Fault location / Ubicacion de Falla Probable cause / Causas Probables
P2551 Torque management request, input signal B - signal high Wiring, short to positive, ECM, TCM
P2552 Thorttle/fuel inhibit - circuit malfunction Wiring
P2553 Thorttle/fuel inhibit - range/ performance problem Wiring
P2554 Thorttle/fuel inhibit - circuit low Wiring short to ground
P2555 Thorttle/fuel inhibit - circuit high Wiring short to positive
P2556 Engine coolant `low` sensor/switch - circuit malfunction Wiring, engine coolant ´low´ sensor/switch
P2557 Engine coolant ´low´ sensor/ switch - range/ performance problem Wiring, engine coolant ´low´ sensor/switch
P2558 Engine coolant ´low´ sensor/ switch - circuit low Wiring, short to ground, engine coolant ´low´ sensor/switch
P2559 Engine coolant ´low´ sensor/switch - circuit high Wiring, short to positive, engine coolant ´low´ sensor/switch
P255A Power take-off (PTO) speed selector sensor/switch 2 - open circuit Wiring, PTO speed selector sensor/switch, ECM
P255B Power take-off (PTO) speed selector sensor/switch 2 - circuit range/ performance Wiring, PTO speed selector sensor/switch, ECM
P255C Power take-off (PTO) speed selector sensor/switch 2 - circuit low Wiring, PTO speed selector sensor/switch, ECM
P255D Power take-off (PTO) speed selector sensor/ switch 2 - circuit high Wiring, PTO speed selector sensor/switch, ECM
P255E Power take-off (PTO) speed selector sensor/ switch 2 - circuit intermittent/ erratic Wiring, PTO speed selector sensor/switch, ECM
P255F A/C request A - circuit range/ performance Wiring, A/C control module, ECM
P2560 Engine coolant level low Engine coolant level low
P2561 A/C control module - MIL activation requested A/C control module trouble codes stored
P2562 Turbochanger (TC) boost control position sensor circuit malfunction Wiring, TC boost control position sensor
P2563 Turbochanger (TC) boost control position sensor - range/ performance problem Wiring, TC boost control position sensor
P2564 Turbochanger (TC) boost control position sensor - circuit low Wiring, short to ground, TC boost control position sensor
P2565 Turbochanger (TC) boost control position sensor - circuit high Wiring short to positive, TC boost control position sensor
P2566 Turbochanger (TC) boost control position sensor - circuit intermittent Wiring, poor connection, TC boost control position sensor
P2567 Direct ozone reduction catalytic converter temperature sensor - circuit mal function Wiring, direct ozone reduction catalytic converter temperature sensor
P2568 Direct ozone reduction catalytic converter temperature sensor - range/ performance problem Wiring, direct ozone reduction catalytic converter temperature sensor
P2569 Direct ozone reduction catalytic converter temperature sensor - circuit low Wiring, direct ozone reduction catalytic converter temperature sensor
P256A Engine idle speed selector sensor/switch - open circuit Wiring, engine idle speed selector sensor/switch, ECM
P256B Engine idle speed selector sensor/ switcht - circuit range/ performance Wiring, engine idle speed selector sensor/switch, ECM
P256C Engine idle speed selector sensor/switch - circuit low Wiring, engine idle speed selector sensor/switch, ECM
P256D Engine idle speed selector sensor/switch - circuit high Wiring, engine idle speed selector sensor/switch, ECM
P256E Engine idle speed selector sensor/ switch - circuit intermittent/ erratic Wiring, engine idle speed selector sensor/switch, ECM
P256F A/C request B - circuit range/ performance Wiring, engine idle speed selector sensor/ switch, ECM
P2570 Direct ozone reduction catalytic converter temperature sensor - circuit high Wiring, short to positive, direct ozone reduction catalytic converter temperature sensor
P2571 Direct ozone reduction catalytic converter temperature sensor - circuit intermittent/ erratic Wiring, poor connection, direct ozone reduction catalytic converter tempeature sensor
P2572 Direct ozone reduction catalytic converter deterioration sensor Wiring, direct ozone reduction catalytic converter deterioration sensor
P2573 Direct ozone reduction catalytic converter deterioration sensor - range/ performance problem Wiring, direct ozone reduction catalytic converter deterioration sensor
P2574 Direct ozone reduction catalytic converter deterioration sensor - circuit low Wiring short to ground, direct ozone reduction catalytic converter deterioration sensor
P2575 Direct ozone reduction catalytic converter deterioration sensor - circuit high Wiring short to positive, direct ozone reduction catalytic converter deterioration sensor
P2576 Direct ozone reduction catalytic converter deterioration sensor - circuit intermittent/ erratic Wiring poor connection, direct ozone reduction catalytic converter deterioration sensor
P2577 Direct ozone reduction catalytic converter - efficiency below threshold Direct ozone reduction catalytic converter
P257A Vacuum reservoir control - open circuit -
P257B Vacuum reservoir control - circuit low -
P257C Vacuum reservoir control - circuit high -
P257D Bonnet switch - circuit range/ performance Wiring, bonnet switch, ECM
P257E Bonnet switch - circuit low Wiring, bonnet switch, ECM
P257F Bonnet switch - circuit high Wiring, bonnet switch, ECM
P258A Vacuum pump - control circuit open Wiring, bonnet pump, ECM
P258B Vacuum pump control - range/ performance problem Wiring, vacuum pump, ECM
P258C Vacuum pump control - circuit low Wiring, vacuum pump, ECM
P258D Vacuum pump - control circuit high Wiring, vacuum pump, ECM
P258E Power take-off (PTO) enable switch - performance problem Wiring, PTO enable switch, ECM
P258F Torque management request - output signal malfunction Wiring TCM, ECM
P2600 Engine coolant pump motor - open circuit

Fuel pressure sensor - circuit malfunction

 Wiring engine coolant pump relay
Wiring short to positive, short to ground, fuel pressure sensor
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