Tucson 2006-2008

2.0L L4 VIN B Std 8

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Trouble Code: P0442



EVAP System Small Leak (0.040") Detected

Possible Causes:



Fuel filler cap damaged, cross-threaded or loosely installed
 
Small leaks or cuts present in the EVAP vapor hoses/lines
 
EVAP purge valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0443



EVAP Purge Solenoid Circuit Malfunction

Possible Causes:



Purge solenoid control circuit is open or shorted to ground
 
Purge solenoid power circuit is open (check the power source)
 
Purge control solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0444



EVAP Purge Solenoid Circuit Malfunction (Open)

Possible Causes:



Purge solenoid control circuit open between solenoid and PCM
 
Purge solenoid power circuit is open (check the power source)
 
Purge control solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0444



EVAP Emission System- Purge Control Valve Circuit Open

Possible Causes:



Poor connection
 
Open or short to ground in harness
 
PCVS
 
PCM
 

Trouble Code: P0445



EVAP Purge Solenoid Circuit Malfunction (Shorted)

Possible Causes:



Purge solenoid control circuit is shorted to system power
 
Purge control solenoid is damaged or has failed (short circuit)
 
PCM has failed
 

Trouble Code: P0446



EVAP Vent Control Solenoid Circuit Performance (Closed)

Possible Causes:



Vent solenoid control circuit is shorted to ground
 
Vent solenoid power circuit is open (check the power source)
 
Vent control solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0447



EVAP Vent Solenoid Circuit Short To Ground Malfunction

Possible Causes:



Purge solenoid control circuit is shorted to ground
 
Purge solenoid power circuit is open (check the power source)
 
Purge solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0447



EVAP Emission System- Vent Control Circuit Open

Possible Causes:



Poor connection
 
Open or short in power circuit
 
Open or short in control circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0448



EVAP Vent Solenoid Circuit Shorted To Power Malfunction

Possible Causes:



Purge solenoid control circuit is shorted to system power
 
Purge solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0448



EVAP Emission System- Vent Control Circuit Shorted

Possible Causes:



Poor connection
 
Short to battery in CCV circuit
 
CCV
 
ECM/PCM
 

Trouble Code: P0449



EVAP Emission System- Vent Valve/Solenoid Circuit

Possible Causes:



Canister air filter contamination
 
Faulty CCV
 

Trouble Code: P0451



EVAP Pressure Sensor Performance

Possible Causes:



Pressure sensor vacuum hoses loose or damaged
 
Pressure sensor is damaged or out-of-calibration
 
VSV for the EVAP pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0452



EVAP Pressure Sensor Circuit Low Input

Possible Causes:



Pressure sensor signal circuit is shorted to ground
 
Pressure sensor power (VREF) circuit is open
 
Pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0453



EVAP Pressure Sensor Circuit High Input

Possible Causes:



Pressure sensor signal circuit is shorted to power
 
Pressure sensor ground circuit open between sensor and PCM
 
Pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0454



EVAP Emission System- Pressure Sensor Intermittent

Possible Causes:



Contact resistance in connectors
 
Faulty FTPS
 

Trouble Code: P0455



EVAP System Large Leak (0.080") Detected

Possible Causes:



Canister vent (CV) solenoid may be stuck in open position
 
EVAP canister tube, EVAP canister purge outlet tube or EVAP return tube disconnected or cracked, or canister is damaged
 
EVAP canister purge valve stuck closed, or canister damaged
 
Fuel filler cap missing, loose (not tightened) or the wrong part
 
Fuel vapor hoses/tubes blocked or restricted, or fuel vapor control valve tube or fuel vapor vent valve assembly blocked
 
Fuel tank pressure (FTP) sensor has failed (mechanical fault)
 
Fuel tank control valve is contaminated, damaged or has failed
 

Trouble Code: P0456



EVAP Emission System- Leak Detected (Very Small)

Possible Causes:



Leakage in EVAP system line
 
Faulty CCV, PCSV or FTPS
 

Trouble Code: P0461



Fuel Level Sensor -A- Circuit Range/Performance

Possible Causes:



Poor connection
 
Faulty fuel level sensor
 
Faulty PCM
 

Trouble Code: P0462



Fuel Level Sensor -A- Circuit Low Input

Possible Causes:



Poor connection
 
Faulty fuel level sensor
 
Short to battery in fuel level (FLS) circuit
 
Faulty fuel level circuit (FLS)
 
Faulty PCM
 

Trouble Code: P0463



Fuel Level Sensor -A- Circuit high Input

Possible Causes:



Short to battery in fuel level (FLS) circuit
 
Faulty fuel level sensor
 
Faulty PCM
 

Trouble Code: P0464



Fuel Level Sensor -A- Circuit Intermittent

Possible Causes:



Contact resistance in connectors
 
Short to battery in fuel level (FLS) circuit
 

Trouble Code: P0480



Fan 1 Control Circuit Malfunction

Possible Causes:



Poor connection
 
Open in power circuit to cooling fan
 
Open or short in control circuit to PCM
 
Faulty fan relay
 
Faulty cooling fan module
 
Faulty PCM
 

Trouble Code: P0481



Fan 2 Control Circuit Malfunction

Possible Causes:



Poor connection
 
Open in power circuit to cooling fan
 
Open or short in control circuit to PCM
 
Faulty fan relay
 

Trouble Code: P0501



Vehicle Speed Sensor Circuit Range/Performance

Possible Causes:



VSS signal circuit from the sensor to the I/P Cluster to the PCM is open, shorted to ground or to system power
 
VSS (Magnetic) signal (+) or (-) circuit is open or shorted
 
VSS (Magnetic) is damaged or has failed
 
PCM has failed
 

Trouble Code: P0504



Brake Switch -A-/-B- Correlation (2)

Possible Causes:



Open or short circuit in harness
 
Poor connection or damaged harness
 
Faulty brake warning lamp or brake test switch
 

Trouble Code: P0505



Idle Speed Control System (Mechanical) Fault

Possible Causes:



Stepper motor Coil A1 or A2 circuit is open or shorted to ground
 
Stepper motor Coil B1 or B2 circuit is open or shorted to ground
 
Stepper motor coil circuit(s) shorted to system power (B+)
 
Stepper motor power circuit is open (check power at MFI relay)
 
Stepper motor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0506



Idle Speed Lower Than Expected

Possible Causes:



ISC motor "open" circuit is open or shorted to ground
 
ISC motor "close" circuit is open or shorted to ground
 
ISC motor is damaged or has failed
 
PCM is damaged
 

Trouble Code: P0507



Idle Speed Higher Than Expected

Possible Causes:



ISC motor control circuit(s) open or shorted to ground
 
ISC motor is damaged or has failed
 
PCM is damaged
 

Trouble Code: P050B



Cold Start Ignition Timing Performance

Possible Causes:



Faulty Ignition Coil
 
Faulty PCM
 

Trouble Code: P0532



A/C Refrigerant Pressure Sensor -A- Circuit Low Input

Possible Causes:



Poor connection
 
Open in power circuit
 
Open or short to ground in signal circuit
 
Faulty A/C pressure sensor
 
Faulty PCM
 

Trouble Code: P0533



A/C Refrigerant Pressure Sensor -A- Circuit High Input

Possible Causes:



Poor connection
 
Open in signal circuit open
 
Open in ground circuit
 
Faulty A/C pressure sensor
 
Faulty PCM
 

Trouble Code: P0552



Power Steering Pressure Sensor/Switch Circuit Low Input

Possible Causes:



Poor connection
 
Open in power circuit
 
Open or short to ground in signal circuit
 
Faulty P/S pressure sensor
 
Faulty PCM
 

Trouble Code: P0553



Power Steering Pressure Sensor/Switch Circuit High Input

Possible Causes:



Poor connection
 
Short in signal circuit
 
Open in ground circuit
 
Faulty P/S pressure sensor
 
Faulty PCM
 

Trouble Code: P0560



Battery Backup Circuit Malfunction

Possible Causes:



Battery backup circuit is open (check the fuse to the battery)
 
Battery terminals are corroded, dirty or loose
 
Battery has been removed or the cables were disconnected
 
PCM has failed
 
TSB 00-36-013 (12/00) contains information about this code
 

Trouble Code: P0560



Battery Backup Line Circuit Malfunction

Possible Causes:



Battery backup circuit to the PCM is open
 
Battery backup fuse to the PCM is open or missing
 
Battery backup circuit to the PCM has high resistance
 
PCM has failed
 

Trouble Code: P0562



System Voltage Low Input

Possible Causes:



Ignition system voltage circuit is open
 
Generator is damaged or has failed (generator output too low)
 
PCM has failed
 

Trouble Code: P0563



System Voltage High Input

Possible Causes:



Generator is damaged or has failed (generator output to high)
 
PCM has failed
 

Trouble Code: P0564



Cruise Control Multifunction Input -A- Circuit

Possible Causes:



Open or short in harness
 
Poor connection or damaged harness
 
Faulty cruise control remote control switch
 

Trouble Code: P0565



Cruise Control On Signal

Possible Causes:



Poor connection
 
Faulty cruise switch
 
Faulty PCM
 

Trouble Code: P0566



Cruise Control Off Signal

Possible Causes:



Poor connection
 
Faulty cruise switch
 
Faulty PCM
 

 
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