Hyundai Car 1999-05

2.7L V6 - Std 4

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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: P0457



EVAP System Leak (Fuel Tank Cap) 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
 
Fuel filler cap missing, loose (not tightened) or the wrong part
 
Fuel tank pressure (FTP) sensor has failed (mechanical fault)
 
Fuel tank control valve is contaminated, damaged or has failed
 

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: P0500



Vehicle Speed Sensor Performance

Possible Causes:



VSS signal circuit is open or shorted to ground
 
VSS power or ground circuit is open
 
VSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0501



Vehicle Speed Sensor Circuit 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: 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: P0510



Closed Throttle Idle Switch Circuit Malfunction

Possible Causes:



Closed throttle position switch signal circuit is open or grounded
 
Closed throttle position switch signal circuit is shorted to power
 
Closed throttle position switch or TP sensor damaged or failed
 
PCM has failed
 

Trouble Code: P0551



Power Steering Pressure Sensor/Switch Circuit Range/Performance

Possible Causes:



Poor connection
 
Faulty power steering switch
 
Open or short in power steering switch
 
Faulty PCM
 

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: P0600



CAN Communication Bus

Possible Causes:



Open or short in CAN line
 
Contact resistance in connectors
 
Faulty PCM
 

Trouble Code: P0601



PCM (Internal Controller) Checksum Error

Possible Causes:



Clear the trouble codes and retest for this trouble code. If the same trouble code resets, the PCM has failed and must be replaced to repair this problem.
 

Trouble Code: P0605



PCM (Internal Controller) ROM Error

Possible Causes:



Clear the trouble codes and retest for this trouble code. If the same trouble code resets, the PCM has failed and must be replaced to repair this problem.
 

Trouble Code: P0630



VIN Not Programmed Or Incompatible- ECM/PCMECM

Possible Causes:



PCM is new and has not yet been programmed
 

Trouble Code: P0650



Malfunction Indicator Lamp (MIL) Control Circuit

Possible Causes:



Open or short between MIL and PCM
 
Contact resistance in connectors
 
Burned out MIL bulb
 

Trouble Code: P0661



Intake Manifold Tuning Valve Control Circuit Low (Bank 1) Solenoid Type

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty valve
 

Trouble Code: P0662



Intake Manifold Tuning Valve Control Circuit High (Bank 1) Solenoid Type

Possible Causes:



Open or short to battery in control harness
 
Contact resistance in connectors
 
Faulty valve
 

Trouble Code: P0664



Intake Manifold Tuning Valve Control Circuit High (Bank 2) Solenoid Type

Possible Causes:



Open in power supply harness
 
Short to ground in control harness
 
Contact resistance in connectors
 
Faulty valve
 

Trouble Code: P0665



Intake Manifold Tuning Valve Control Circuit High (Bank 1) Solenoid Type

Possible Causes:



Open or short to battery in control harness
 
Contact resistance in connectors
 
Faulty valve
 

Trouble Code: P0700



Transmission Control System Signal

Possible Causes:



Clear the trouble codes and retest for this trouble code. If the same trouble code resets, the TCM may have failed.
 

Trouble Code: P1100



MAP Sensor Performance

Possible Causes:



MAP sensor signal circuit is open or shorted to ground
 
MAP sensor vacuum source line is clogged or contains ice
 
MAP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1102



MAP Sensor Circuit Low Input

Possible Causes:



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

Trouble Code: P1103



MAP Sensor Circuit High Input

Possible Causes:



MAP sensor signal circuit is shorted to VREF or system power
 
MAP sensor ground circuit is open
 
MAP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1123



Fuel Trim Adaptive Air System Too Rich

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P1124



Fuel Trim Adaptive Air System Too Lean

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P1127



Long Term Fuel Trim Multiplier System Too Rich

Possible Causes:



Base engine "mechanical" fault affecting one or more cylinders
 
EVAP system component has failed or canister fuel saturated
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
 
Fuel injector(s) is leaking or stuck partially open (one or more)
 
HO2S is contaminated, deteriorated or it has failed
 

Trouble Code: P1128



Long Term Fuel Trim Multiplier System Too Lean

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks located in front of the HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

Trouble Code: P01134



HO2S-11 (Bank 1 Sensor 1) Transition Time Switch

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P01154



HO2S-21 (Bank 2 Sensor 1) Transition Time Switch

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated or it has failed
 
HO2S heater is damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 

Trouble Code: P01166



HO2S-11 Controller Adaptive Test (Bank 1)

Possible Causes:



Air leaks after the MAF sensor, or in the EGR or PCV system
 
Base engine "mechanical" fault affecting one or more cylinders
 
Exhaust leaks located in front of the A/FS or HO2S location
 
Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
 
Fuel delivery system supplying too little fuel during cruise or idle periods (e.g., faulty fuel pump or dirty, restricted fuel filter)
 
Fuel injector (one or more) dirty or pressure regulator has failed
 
HO2S is contaminated, deteriorated or it has failed
 
Vehicle driven low on fuel or until it ran out of fuel
 

 
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