Tracker 2000-2004

2.5L V6 VIN 4 Std 2

Print

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 2
 
Fuel delivery component fault that affects only Cylinder 2 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 2
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 3
 
Fuel delivery component fault that affects only Cylinder 3 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 3
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 4
 
Fuel delivery component fault that affects only Cylinder 4 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 4
 

Trouble Code: P0305



Cylinder 5 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 5
 
Fuel delivery component fault that affects only Cylinder 5 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 5
 

Trouble Code: P0306



Cylinder 6 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCM system
 
Base engine mechanical fault that affects only Cylinder 6
 
Fuel delivery component fault that affects only Cylinder 6 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (coil or plug) that affects only Cylinder 6
 

Trouble Code: P0335



Crankshaft Position Sensor Circuit Malfunction

Possible Causes:



CKP sensor connector is damaged, open or shorted
 
CKP (Magnetic) sensor signal (+) or (-) circuit is open, shorted to ground or to power
 
CKP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0340



Camshaft Position Sensor Circuit Malfunction

Possible Causes:



CMP (Hall) sensor signal circuit is open or shorted to ground
 
CMP (Hall) sensor ground circuit is open
 
CMP sensor power circuit is open (test power from MFI relay)
 
CMP sensor is damaged or has failed
 
PCM has failed (PCM provides a VREF signal to the sensor)
 

Trouble Code: P0401



EGR System Insufficient EGR Flow Detected

Possible Causes:



EGR stepper motor is binding, or stuck in closed position
 
EGR stepper motor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0402



EGR System Excessive Flow Detected

Possible Causes:



Check for an obstruction or blockage in EGR valve passages
 
Check the EGR valve for physical damage or carbon deposits
 
EGR stepper motor circuit (one or more) is open or shorted
 
EGR stepper motor is binding, stuck open or closed, or failed
 
MAP sensor is out-of-calibration or skewed
 
PCM has failed
 

Trouble Code: P0403



EGR Solenoid Control Circuit Malfunction

Possible Causes:



EGR solenoid connector is damaged, open or shorted
 
EGR solenoid control circuit is open or shorted to ground
 
EGR solenoid power circuit is open (test power from MFI relay)
 
EGR solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0420



Catalyst System Low Efficiency (Bank 1)

Possible Causes:



Air leaks in the exhaust manifold or exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S and/or rear HO2S is loose in the mounting hole
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 
Rear HO2S is contaminated due to poor fuel or water in the fuel
 
PCM has failed
 

Trouble Code: P0430



Catalyst System Low Efficiency (Bank 2)

Possible Causes:



Air leaks in the exhaust manifold or exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Front HO2S and/or rear HO2S is loose in the mounting hole
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 
Rear HO2S is contaminated due to poor fuel or water in the fuel
 
PCM has failed
 

Trouble Code: P0440



EVAP System Incorrect Purge Flow Detected

Possible Causes:



Charcoal canister is loaded with fuel or moisture
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel tank vapor line(s) blocked, damaged or disconnected
 
Purge solenoid valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0442



EVAP System Small Leak (0.040") Detected

Possible Causes:



Canister Purge valve is damaged, leaking or it has failed
 
Charcoal canister is loaded with fuel or moisture
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
PCM has failed
 

Trouble Code: P0444



EVAP Purge Solenoid Circuit Low Input

Possible Causes:



EVAP purge solenoid connector is damaged or shorted
 
EVAP purge solenoid control circuit shorted to ground
 
EVAP purge solenoid power (B+) circuit open
 
EVAP purge solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0445



EVAP Purge Solenoid Circuit High Input

Possible Causes:



EVAP purge solenoid control circuit shorted to power (B+)
 
EVAP purge solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0446



EVAP System Vent System Performance

Possible Causes:



EVAP vent solenoid connector is damaged, open or shorted
 
EVAP vent solenoid control circuit is open or shorted to ground
 
EVAP vent solenoid is stuck partially open
 
EVAP vent solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0448



EVAP Vent Solenoid Circuit High Input

Possible Causes:



EVAP vent solenoid connector is open or shorted to power
 
EVAP vent solenoid control circuit shorted to power (B+)
 
EVAP vent solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0450



Fuel Tank Pressure Sensor Circuit Malfunction

Possible Causes:



FTP sensor signal circuit is open or shorted to ground
 
FTP sensor ground circuit is open
 
FTP sensor VREF circuit is open
 
FTP sensor is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0451



Fuel Tank Pressure Sensor Range/Performance

Possible Causes:



Fuel tank pressure sensor vacuum hoses loose or damaged
 
Fuel tank pressure sensor is damaged or out-of-calibration
 
PCM has failed
 

Trouble Code: P0452



Fuel Tank Pressure Sensor Low Input

Possible Causes:



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

Trouble Code: P0453



Fuel Tank Pressure Sensor High Input

Possible Causes:



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

Trouble Code: P0455



EVAP System Gross Leak (0.080") Detected

Possible Causes:



Charcoal canister is loaded with fuel or moisture
 
EVAP Purge valve is damaged, leaking or it has failed
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel tank pressure control valve is damaged or it has failed
 
Fuel tank pressure sensor is damaged or it has failed
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
PCM has failed
 

Trouble Code: P0461



Fuel Level Sensor Range/Performance

Possible Causes:



Fuel level sensor is stuck in one position
 
Fuel level sensor is damaged or has failed
 
High resistance in the fuel level sensor ground circuit (G400)
 
Loose fuel tank baffle interfering with the fuel level sensor
 
PCM has failed
 

Trouble Code: P0463



Fuel Level Sensor Circuit High Input

Possible Causes:



Fuel level sensor circuit is shorted to VREF or system power
 
Fuel level sensor ground circuit is open
 
Fuel level sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0464



Fuel Level Sensor Circuit Low Input

Possible Causes:



Fuel level sensor connector is damaged or it is shorted
 
Fuel level sensor circuit is shorted to ground
 
Fuel level sensor ground circuit is open
 
Fuel sensor assembly is damaged or it has failed
 
PCM has failed
 

Trouble Code: P0494



EVAP System Flow During Non-Purge Detected

Possible Causes:



Charcoal canister is loaded with fuel or moisture, or it has failed
 
EVAP purge valve is damaged, leaking or it has failed
 
EVAP purge valve circuit is open or shorted to ground
 
EVAP purge valve supply circuit is open (check the FL fuse)
 
EVAP purge line from intake manifold to the canister is blocked
 
Fuel tank pressure sensor is damaged or it has failed
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
PCM has failed
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction

Possible Causes:



VSS connector is damaged, open or shorted
 
VSS signal circuit is open or shorted to ground
 
VSS is damaged or has failed (behind the Instrument Cluster)
 
PCM has failed
 

Trouble Code: P0505



Idle Control System Performance

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 Too Low

Possible Causes:



Throttle valve is dirty or sticking (it may need to be cleaned)
 
Stepper motor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0507



Idle Speed Too High

Possible Causes:



Throttle valve is dirty or sticking (it may need to be cleaned)
 
IAC motor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0601



Control Module ROM Malfunction

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 
TSB 67-65-23 contains a repair procedure for this code
 

Trouble Code: P0602



Control Module Not Programmed

Possible Causes:



Reprogram the PCM with the correct software and calibration. If this step does not correct the problem, the PCM must be replaced and programmed with the correct software/calibration.
 

Trouble Code: P0603



Control Module Long Term Memory Reset

Possible Causes:



An interruption to the PCM main power and/or ground circuits
 
Check the PCM power and ground circuits and make repairs as necessary. Clear the codes and recheck. If it resets, the PCM must be replaced and programmed with the correct software.
 

Trouble Code: P0604



Control Module Random Access Memory Failure

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 

Trouble Code: P0606



Control Module Internal Performance

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 

Trouble Code: P0607



Control Module Performance

Possible Causes:



The PCM must be replaced to correct this problem. A new PCM must be programmed with the correct software/calibration.
 

Trouble Code: P0616



Starter Relay Control Circuit Low Input

Possible Causes:



PCM connector is damaged or open
 
Start signal to the PCM is open
 
PCM has failed
 

Trouble Code: P0617



Starter Relay Control Circuit High Input

Possible Causes:



Start signal to the PCM is shorted to system power
 
PCM connector is damaged or shorted
 
PCM has failed
 

Trouble Code: P0977



A/T Shift Solenoid 2 Circuit High Input

Possible Causes:



Shift solenoid 2 connector is shorted to power
 
Shift solenoid 2 control circuit is shorted to power
 
Shift solenoid is damaged (resistance is 11-16 ohms at 75ºF)
 
PCM has failed
 

 
label.common.footer.alt.autozoneLogo