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 |
|
|
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 |
|
|
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 |
P244B |
Heated oxygen sensor (HO2S) 1, 1 bank 1
- no signal |
|
P244C |
Diesel particulate filter (DPF), bank 1
- exhaust temperature too low for regeneration |
|
P244C |
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 |
|
P244D |
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
|
Wiring, EGR cooler bypass valve, ECM |
P245B |
Heated oxygen sensor (HO2S) 1, bank 1 -
no signal |
Wiring, HO2S, ECM |
P245C |
Exhaust gas recirculation (EGR) cooler
bypass valve - control circuit low |
Wiring, EGR cooler bypass valve, ECM |
P245C |
heated oxygen sensor (HO2S) 1, bank 1 - signal high heater circuit |
Wiring, short to ground, HO2S, ECM |
P245D |
Exhaust gas recirculation (EGR) cooler
bypass valve - control circuit high |
Wiring, EGR cooler bypass valve, ECM |
P245D |
Heated oxygen sensor (HO2S) 1, bank 1 - signal low |
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 |