Trouble Code |
Fault location
/ Ubicacion de Falla |
Probable cause / Causas Probables |
P2051 |
Reductant injector 1, bank 2 -
circuit low |
Wiring short to
ground, reductant injector |
P2052 |
Reductant injector 1, bank 2 -
circuit high |
Wiring short to
positive, reductant injector |
P2053 |
Reductant injector 2, bank 1- open
circuit |
Wiring, reductant
injector |
P2054 |
Reductant injector 2, bank 1 -
circuit low |
Wiring short to
ground, reductant injector |
P2055 |
Reductant injector 2, bank 1 -
circuit high |
Wiring short to
positive, reductant injector |
P2056 |
Reductant injector 2, bank 2 - open
circuit |
Wiring, reductant
injector |
P2057 |
Reductant injector 2, bank 2 -
circuit low |
Wiring short to
ground, reductant injector |
P2058 |
Reductant injector 2, bank 2 -
circuit high |
Wiring short to
positive, reductant injector |
P2059 |
Reductant injection air pump - open
circuit |
Wiring, reductant
injection air pump |
P205A |
Reductant temperature sensor -
circuit malfunction |
Wiring, reductant
tank temperature sensor, ECM
|
P205B |
Reductant temperature sensor -
circuit range/ performance |
Wiring, reductant
tank temperature sensor, ECM |
P205C |
Reductant temperature sensor -
circuit low |
Wiring, reductant
tank temperature sensor, ECM |
P205D |
Reductant temperature sensor -
circuit high |
Wiring, reductant
tank temperature sensor, ECM |
P205E |
Reductant temperature sensor -
circuit intermittent/ erratic |
Wiring, reductant
tank temperature sensor, ECM |
P205F |
Reductant system, bank 2 -
performance problem |
- |
P2060 |
Reductant injection air pump -
circuit low |
Wiring short to
ground, reductant injection air pump |
P2061 |
Reductant injection air pump -
circuit high |
Wiring short to
positive, reductant injection air pump |
P2062 |
Reductant supply control - open
circuit |
Wiring |
P2063 |
Reductant supply control - circuit
low |
Wiring |
P2064 |
Reductant supply control - circuit
high |
Wiring |
P2065 |
Fuel gauge tank sensor B - circuit
malfunction |
Wiring, fuel gauge
tank sensor |
P2066 |
Fuel gauge tan sensor B -
performance problem |
Wiring, fuel gauge
tank sensor |
P2067 |
Fuel gauge tank sensor B - circuit
low |
Wiring short to
ground, fuel gauge tank sensor |
P2068 |
Fuel gauge tank sensor B - circuit
high |
Wiring, short to
positive, fuel gauge tank sensor |
P2069 |
Fuel gauge tank sensor B - circuit
intermittent |
Wiring, poor
connection, fuel gauge tank sensor |
P206A |
Reductant quality sensor -
malfunction |
Wiring, reductant
quality sensor, ECM |
P206B |
Reductant quality sensor -
range/ performance problem |
Wiring, reductant
quality sensor, ECM |
P206C |
Reductant quality sensor - circuit
low |
Wiring, reductant
quality sensor, ECM |
P206D |
Reductant quality sensor - circuit
high |
Wiring, reductant
quality sensor, ECM |
P206E |
Intake manifold air control
actuator, bank 2 - actuator stuck open |
Wiring, intake
manifold air control actuator, ECM |
P206F |
Intake manifold air control
actuator, bank 2 - actuator stuck closed |
Wiring, intake
manifold air control actuator, ECM |
P2070 |
Intake manifold air control
actuator - actuator stuck open |
Intake manifold air control
solenoid - solenoid stuck open |
|
Wiring, intake manifold
air control actuator, mechanical fault |
Wiring, intake manifold
air control solenoid, mechanical fault |
|
P2071 |
Intake manifold air control
actuator - actuator stuck closed |
Intake manifold air control
solenoid - solenoid stuck closed |
|
Wiring, intake manifold
air control actuator, mechanical fault |
Wiring,, intake manifold
air control solenoid, mechanical fault |
|
P2074 |
Manifold absolute pressure (MAP)
sensor/ throttle position switch (TPS) - high air flow/ vacuum leak |
Vacuum leak, wiring,
MAP, TPS, ECM |
P2075 |
Intake manifold air control actuator
position sensor/ switch - circuit malfunction |
Wiring, intake
manifold air control actuator position sensor/ switch |
P2076 |
Intake manifold air control actuator
position sensor/ switch - range/ performance problem |
Wiring, intake
manifold air control actuator position sensor/ switch |
P2077 |
Intake manifold air control actuator
position sensor/ switch - circuit low |
Wiring short to
ground, intake manifold air control actuator position sensor/ switch |
P2078 |
Intake manifold air control actuator
position sensor/ switch - circuit high |
Wiring short to
positive, intake manifold air control actuator position
sensor/ switch |
P2079 |
Intake manifold air control actuator
position sensor/ switch - circuit intermittent |
Wiring, poor
connection, intake manifold air control actuator position
sensor/ switch |
P207A |
Intake manifold air control actuator
position sensor/ switch, bank 2 - circuit malfunction |
Wiring, intake
manifold air control actuator position sensor, ECM |
P207B |
Intake manifold air control actuator
position sensor/ switch, bank 2 - circuit range/ performance |
Wiring, intake
manifold air control actuator position sensor, ECM |
P207C |
Intake manifold air control actuator
position sensor/ switch, bank 2 - circuit low |
Wiring, intake
manifold air control actuator position sensor, ECM |
P207D |
Intake manifold air control actuator
position sensor/ switch, bank 2 - circuit high |
Wiring, intake
manifold air control actuator position sensor, ECM |
P207E |
Intake manifold air control actuator
position sensor/ switch, bank 2 - circuit intermittent |
Wiring, intake
manifold air control actuator position sensor, ECM |
P207F |
Reductant quality - performance
problem |
- |
P2080 |
Exhaust gas temperature (EGT) sensor
1, bank 1 - range/ performance problem |
Wiring, EGT sensor |
P2081 |
Exhaust gas temperature (EGT) sensor
1, bank 1 - circuit intermittent |
Wiring, poor
connection, EGT sensor |
P2082 |
Exhaust gas temperature (EGT) sensor
1, bank 2 - range/ performance problem |
Wiring, EGT sensor |
P2083 |
Exhaust gas temperature (EGT) sensor
1, bank 2 - circuit intermittent |
Wiring, poor
connection, EGT sensor |
P2084 |
Exhaust gas temperature (EGT) sensor
2, bank 1 - range/ performance problem |
Wiring, EGT sensor |
P2085 |
Exhaust gas temperature (EGT) sensor
2, bank 1 - circuit intermittent |
Wiring, poor
connection, EGT sensor |
P2086 |
Exhaust gas temperature (EGT)
sensor2, bank 2 - range/ performance problem |
Wiring, EGT sensor |
P2087 |
Exhaust gas temperature (EGT) sensor
2, bank 2 - circuit intermittent |
Wiring, poor
connection, EGT sensor
|
P2088 |
Camshaft position (CMP) actuator A,
bank 1 - circuit low
|
Wiring short to
ground, CMP actuator |
P2089 |
Camshaft position (CMP) actuator A,
bank 1 - circuit high |
Wiring short to
positive, CMP actuator |
P208A |
Reductant pump control - open
circuit |
Wiring, reductant
pump, ECM |
P208B |
Reductant pump control -
range/ performance problem |
Wiring, reductant
pump, ECM |
P208C |
Reductant pump control - circuit low |
Wiring, reductant
pump, ECM |
P208D |
Reductant pump control - circuit
high |
Wiring, reductant
pump, ECM |
P208E |
Reductant injector 1, bank 1 - stuck
closed |
Reductant injector |
P208F |
Reductant injector 1, bank 2 - stuck
closed |
Wiring, reductant
injector, ECM |
P2090 |
Camshaft position (CMP) actuator B,
bank 1 - circuit low |
Wiring, short to
ground, CMP actuator |
P2091 |
Camshaft position (CMP) actuator B,
bank 1 - circuit high |
Wiring, short to
positive, CMP actuator |
P2092 |
Camshaft position (CMP) actuator A,
bank 2 - circuit low |
Wiring short to
ground, CMP actuator |
P2093 |
Camshaft position (CMP) actuator A,
bank 2 - circuit high |
Wiring short to
positive, CMP actuator |
P2094 |
Camshaft position (CMP) actuator B,
bank 2 - circuit low |
Wiring short to
ground, CMP actuator |
P2095 |
Camshaft position (CMP) actuator B,
bank 2 - circuit high |
Wiring short to
positive, CMP actuator |
P2096 |
Post catalytic converter
fuel trim (FT), bank 1 - too lean |
Heated oxygen sensor (HO2S)
1, bank 1, range/ performance - circuit high |
|
Catalytic converter,
exhaust leak
|
Wiring short to positive,
HO2S |
|
P2097 |
Post catalytic converter
fuel trim (FT), bank 1 - too rich |
Heated oxygen sensor (HO2S)
1, BANK 1, range/ performance - circuit low |
|
Catalytic converter |
Wiring short to positive,
HO2S |
|
P2098 |
Post catalytic converter
fuel trim (FT), bank 2 - too lean |
Heated oxygen sensor (HO2S)
1, bank2, range/ performance - circuit high |
|
Catalytic converter,
exhaust leak |
Wiring short
to positive, HO2S |
|
P2099 |
Post catalytic converter
fuel trim (FT), bank 2 - too rich |
Engine coolant temperature
(ECT) sensor - circuit malfunction |
|
Catalytic converter |
Wiring, ECT sensor |
|
P209A |
Reductant injection air pressure
sensor B - circuit malfunction |
Wiring, reductant
injection air pressure sensor, ECM |
P209B |
Reductant injection air pressure
sensor B - circuit range/ performance |
Wiring, reductant
injection air pressure sensor, ECM |
P209C |
Reductant injection air pressure
sensor B - circuit low |
Wiring, reductant
injection air pressure sensor, ECM |
P209D |
Reductant injection air pressure
sensor B - circuit high |
Wiring, reductant
injection air pressure sensor, ECM |
P209E |
Reductant injection air pressure
sensor A/B - correlation
|
Wiring, reductant
injection air pressure sensor, ECM |
P209F |
Reductant tank heater control -
performance problem |
Wiring, reductant
tank heater, ECM |
P20A0 |
Reductant purge control valve - open
circuit |
Wiring, reductant
purge control valve, ECM |
P20A1 |
Reductant purge control valve -
performance problem |
Wiring, reductant
purge control valve, ECM |
P20A2 |
Reductant purge control valve -
circuit low
|
Wiring, reductant
purge control valve, ECM |
P20A3 |
Reductant purge control valve -
circuit high |
Wiring, reductant
purge control valve, ECM |
P20A4 |
Reductant purge control valve -
valve stuck open |
Wiring, reductant
purge control valve, ECM |
P20A5 |
Reductant purge control valve -
valve stuck closed |
Wiring, reductant
purge control valve, ECM |
P20A6 |
Reductant injection air pressure
control valve . open circuit |
Wiring, reductant
injection air pressure control valve, ECM |
P20A7 |
Reductant injection air pressure
control valve - performance problem |
Wiring, reductant
injection air pressure control valve, ECM |
P20A8 |
Reductant injection air pressure
control valve - circuit low |
Wiring, reductant
injection air pressure control valve, ECM |
P20A9 |
Reductant injection air pressure
control valve - circuit high |
Wiring, reductant
injection air pressure control valve, ECM |
P20AA |
Reductant injection air pressure
control valve - valve stuck open |
Wiring, reductant
injection air pressure control valve, ECM |
P20AB |
Reductant injection air pressure
control valve - valve stuck closed |
Wiring, reductant
injection air pressure control valve, ECM |
P20AC |
Reductant metering unit temperature
sensor - circuit malfunction
|
Wiring, reductant
metering unit temperature sensor, ECM |
P20AD |
Reductant metering unit temperature
sensor - circuit range/ performance |
Wiring, reductant
metering unit temperature sensor, ECM |
P20AE |
Reductant metering unit temperature
sensor - circuit low |
Wiring, reductant
metering unit temperature sensor, ECM |
P20AF |
Reductant metering unit temperature
sensor - circuit high |
Wiring, reductant
metering unit temperature sensor, ECM |
P20B0 |
Reductant metering unit temperature
sensor - circuit intermittent/ erratic |
Wiring, reductant
metering unit temperature sensor, ECM |
P20B1 |
Reductant heater coolant control
valve - open circuit |
Wiring, reductant
heater coolant control valve, ECM |
P20B2 |
Reductant heater coolant control
valve - performance problem |
Wiring, reductant
heater coolant control valve, ECM |
P20B3 |
Reductant heater coolant control
valve - circuit low |
Wiring, reductant
heater coolant control valve, ECM |
P20B4 |
Reductant heater coolant control
valve - circuit high |
Wiring, reductant
heater coolant control valve, ECM |
P20B5 |
Reductant metering unit heater
control - open circuit |
Wiring, reductant
heater, ECM |
P20B6 |
Reductant metering unit heater -
control performance problem |
Wiring, reductant
metering unit heater, ECM |
P20B7 |
Reductant metering unit heater -
control circuit low
|
Wiring, reductant
metering unit heater, ECM |
P20B8 |
Reductant metering unit heater
control - circuit high |
Wiring, reductant
metering unit heater, ECM |
P20B9 |
Reductant heater control A - open
circuit
|
Wiring, reductant
heater, ECM |
P20BA |
Reductant heater control A - circuit
performance problem |
Wiring, reductant
heater, ECM |
P20BB |
Reductant heater control A - circuit
low |
Wiring, reductant
heater, ECM |
P20BC |
Reductant heater control A - circuit
high |
Wiring, reductant
heater, ECM |
P20BD |
Reductant heater control B - circuit
open |
Wiring, reductant
heater, ECM |
P20BE |
Reductant heater control B -
performance problem |
Wiring, reductant
heater, ECM |
P20BF |
Reductant heater control B - circuit
low |
Wiring, reductant
heater, ECM |
P20C0 |
Reductant heater control B - circuit
high |
Wiring, reductant
heater, ECM |
P20C1 |
Reductant heater control C - open
circuit
|
Wiring, reductant
heater, ECM |
P20C2 |
Reductant heater control C -
performance problem |
Wiring, reductant
heater, ECM |
P20C3 |
Reductant heater control C - circuit
low |
Wiring, reductant
heater, ECM |
P20C4 |
Reductant heater control C - circuit
high |
Wiring, reductant
heater, ECM |
P20C5 |
Reductant heater control D - open
circuit
|
Wiring, reductant
heater, ECM |
P20C6 |
Reductant heater control D -
performance problem |
Wiring, reductant
heater, ECM |
P20C7 |
Reductant heater control D - circuit
low |
Wiring, reductant
heater, ECM |
P20C8 |
Reductant heater control D - circuit
high |
Wiring, reductant
heater, ECM |
P20C9 |
Reductant control module - MIL
activation requested
|
- |
P20CA |
Reductant injection air pressure -
leak |
- |
P20CB |
Exhaust after treatment fuel
injector A - control circuit open
|
Wiring, exhaust after
treatment fuel injector, ECM |
P20CC |
Exhaust after treatment fuel
injector A - performance problem |
Wiring, exhaust after
treatment fuel injector, ECM |
P20CD |
Exhaust after treatment fuel
injector A - control circuit low |
Wiring, fuel
injector, ECM |
P20CE |
Exhaust after treatment fuel
injector A - control circuit high |
Wiring, fuel
injector, ECM |
P20CF |
Exhaust after treatment fuel
injector A - stuck open |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D0 |
Exhaust after treatment fuel
injector A - stuck closed |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D1 |
Exhaust after treatment fuel
injector B - control circuit open |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D2 |
Exhaust after treatment fuel
injector B - performance problem |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D3 |
Exhaust after treatment fuel
injector B - control circuit low |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D4 |
Exhaust after treatment fuel
injector B - control circuit high |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D5 |
Exhaust after treatment fuel
injector B - stuck |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D6 |
Exhaust after treatment fuel
injector B - stuck closed |
Wiring, exhaust after
treatment fuel injector, ECM |
P20D7 |
Exhaust after treatment fuel supply
control - open circuit |
- |
P20D8 |
Exhaust after treatment fuel supply
control - performance problem |
- |
P20D9 |
Exhaust after treatment fuel supply
- control circuit low |
- |
P20DA |
Exhaust after treatment fuel supply
- control circuit high |
- |
P20DB |
Exhaust after treatment fuel supply
- control stuck open |
- |
P20DC |
Exhaust after treatment fuel supply
control - valve stuck closed |
- |
P20DD |
Exhaust after treatment fuel
pressure sensor - circuit malfunction |
Wiring, exhaust after
treatment fuel pressure sensor, ECM |
P20DE |
Exhaust after treatment fuel
pressure sensor - circuit range/ performance |
Wiring, exhaust after
treatment fuel pressure sensor, ECM |
P20DF |
Exhaust after treatment fuel
pressure sensor - circuit low |
Wiring, exhaust after
treatment fuel pressure sensor, ECM |
P20E0 |
Exhaust after treatment fuel
pressure sensor - circuit high |
Wiring, exhaust after
treatment fuel pressure sensor, ECM |
P20E1 |
Exhaust after treatment fuel
pressure sensor - circuit intermittent/ erratic |
Wiring, exhaust after
treatment fuel pressure sensor, ECM |
P20E2 |
Exhaust gas temperature sensor 1/2,
bank 1 - correlation |
Wiring, exhaust gas
temperature sensor, ECM |
P20E3 |
Exhaust gas temperature sensor 1/3,
bank 1 - correlation |
Wiring, exhaust gas
temperature sensor, ECM
|
P20E4 |
Exhaust gas temperature sensor 2/3,
bank 1 - correlation |
Wiring, exhaust gas
temperature sensor, ECM
|
P20E5 |
Exhaust gas temperature sensor 1/2,
bank 2 - correlation |
Wiring, exhaust gas
temperature sensor, ECM
|
P2100 |
Throttle actuator control (TAC)
motor - open circuit |
Wiring, TAC motor |