Toyota Tundra. Manual — part 1324

P0443

Evaporative
Emission Control
System Purge
Control Valve
Circuit



Open or short in
purge VSV
circuit



Purge VSV



ECM

Comes on

DTC stored

Applies*2

P0451

Evaporative
Emission Control
System Pressure
Sensor
Range/Performance



Canister pump
module



Connector/wire
harness
(Canister pump
module - ECM)



EVAP system
hose (pipe from
air inlet port to
canister pump
module, canister
filter, fuel tank
vent hose)



ECM

Comes on

DTC stored

-

P0452

Evaporative
Emission Control
System Pressure
Sensor/Switch Low
Input



Canister pump
module



Connector/wire
harness
(Canister pump
module - ECM)



EVAP system
hose (pipe from
air inlet port to
canister pump
module, canister
filter, fuel tank
vent hose)



ECM

Comes on

DTC stored

-

P0453

Evaporative
Emission Control
System Pressure
Sensor/Switch High
Input



Canister pump
module



Connector/wire
harness
(Canister pump
module - ECM)



EVAP system
hose (pipe from
air inlet port to
canister pump

Comes on

DTC stored

-

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra

module, canister
filter, fuel tank
vent hose)



ECM

P0455

Evaporative
Emission Control
System Leak
Detected (Gross
Leak)



Fuel tank cap
(loose)



Leakage from
EVAP line
(Canister - Fuel
tank)



Leakage from
EVAP line
(Purge VSV -
Canister)



Canister pump
module



Leakage from
fuel tank



Leakage from
canister

Comes on

DTC stored

-

P0456

Evaporative
Emission Control
System Leak
Detected (Very
Small Leak)



Fuel tank cap
(loose)



Leakage from
EVAP line
(Canister - Fuel
tank)



Leakage from
EVAP line
(Purge VSV -
Canister)



Canister pump
module



Leakage from
fuel tank



Leakage from
canister

Comes on

DTC stored

-

P0500

Vehicle Speed
Sensor "A"



Open or short in
speed signal
circuit



Wheel speed
sensor



Combination
meter

Comes on

DTC stored

Applies

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra



ECM



Skid control
ECU

P0504

Brake Switch
"A"/"B" Correlation



Short in stop
light switch
signal circuit



STOP fuse



IGN fuse



Stop light
switch



ECM

DTC stored

DTC stored

Applies

P0505

Idle Control System
Malfunction



ETCS



Air induction
system



PCV hose
connections



ECM

Comes on

DTC stored

Applies

P050A

Cold Start Idle Air
Control System
Performance



Throttle body



Mass air flow
meter



PCV hose



Air cleaner filter



Air induction
system



VVT system



ECM

Comes on

DTC stored

-

P0550

Power Steering
Pressure Sensor
Circuit Malfunction



Open or short in
power steering
oil pressure
sensor circuit



Power steering
oil pressure
sensor



ECM

Comes on

DTC stored

Applies

P0552

Power Steering
Pressure Sensor
Circuit Low Input



Open in power
steering oil
pressure sensor
circuit



Power steering
oil pressure
sensor

Comes on

DTC stored

Applies

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra



ECM

P0553

Power Steering
Pressure Sensor
Circuit High Input



Short in power
steering oil
pressure sensor
circuit



Power steering
oil pressure
sensor



ECM

Comes on

DTC stored

Applies

P0560

System Voltage



Open in back up
power source
circuit



Battery



Battery
terminals



EFI MAIN fuse



ECM

Comes on

DTC stored

Applies

P0604

Random Access
Memory (RAM)



ECM

Comes on

DTC stored

Applies

P0606

ECM/PCM
Processor



ECM

Comes on

DTC stored

Applies

P0607

Control Module
Performance



Exhaust gas leak



HO2S



ECM

Comes on

DTC stored

-

P060A

Internal Control
Module Monitoring
Processor
Performance



ECM

Comes on

DTC stored

Applies

P060B

Internal Control
Module A/D
Processing
Performance



ECM

Comes on

DTC stored

Applies

P060D

Internal Control
Module Accelerator
Pedal Position
Performance



ECM

Comes on

DTC stored

Applies

P060E

Internal Control
Module Throttle
Position
Performance



ECM

Comes on

DTC stored

Applies

P0617

Starter Relay Circuit
High



Park/Neutral
Position (PNP)
switch

Comes on

DTC stored

Applies

2008 Toyota Tundra

2008 ENGINE PERFORMANCE Engine Control System (2UZ-FE) - Tundra