Canyon, Colorado 2006-2007

2.8L L4 VIN 8 Auto 2

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Trouble Code: P0220



TP Sensor 2 Voltage Malfunction

Trouble Code: P0230



Fuel Pump Relay Circuit

Trouble Code: P0300



Engine Misfire Detected

Possible Causes:



Excessive vibration from sources other than the engine could cause DTC P0300 to set. The following are possible sources of vibration:

Thickness variation of the brake rotors--Refer to Symptoms - Hydraulic Brakes in Hydraulic Brakes.
 
The drive shaft not balanced--Refer to Vibration Analysis - Driveline in Vibration Diagnosis and Correction.
 
Worn or damaged accessory drive belt--Refer to Symptoms - Engine Mechanical in Engine Mechanical.
 

There may be more or less cylinders actually misfiring than indicated by the scan tool.
 

Trouble Code: P0301



Cylinder 1 Engine Misfire Detected

Trouble Code: P0304



Cylinder 4 Engine Misfire Detected

Trouble Code: P0315



CKP Variation Values Not in Memory

Trouble Code: P0325



Knock Sensor Circuit Malfunction

Trouble Code: P0326



Knock Sensor Circuit Malfunction

Trouble Code: P0327



Knock Sensor Circuit Low Voltage

Possible Causes:



Inspect the KS for physical damage. A KS that is dropped or damaged may cause a DTC to set.
 
Inspect the KS for proper installation. A KS that is loose or over torqued may cause a DTC to set. The KS and the KS fastener should be free of thread sealant. The KS mounting surface must be free of burrs, casting flash, and foreign material.
 
The KS should be clear of hoses, brackets, and engine electrical wiring.
 
For an intermittent condition, refer to Intermittent Conditions .
 

Trouble Code: P0335



Crankshaft Position Sensor Signal Not Detected

Trouble Code: P0336



Crankshaft Position Sensor Performance

Trouble Code: P0351



Cylinder 1 ICM Voltage Out of Range

Trouble Code: P0354



Cylinder 4 ICM Voltage Out of Range

Trouble Code: P0365



exhaust camshaft position (CMP) sensor circuit

Possible Causes:



The following conditions may cause this DTC to set:

Damage to the camshaft reluctor wheel
 
Damage to the CMP sensor
 
The sensor coming in contact with the reluctor wheel
 
Foreign material passing between the sensor and the reluctor wheel
 

If the condition is intermittent, refer to Intermittent Conditions .
 

Trouble Code: P0366



exhaust camshaft position (CMP) sensor performance

Trouble Code: P0420



Catalyst System Low Efficiency Bank 1

Possible Causes:



These conditions may cause a catalytic converter to degrade. Inspect for the following conditions:

An engine misfire
 
High engine oil or high coolant consumption
 
Retarded spark timing
 
A weak or poor spark
 
A lean fuel mixture
 
A rich fuel mixture
 
A damaged oxygen sensor or wiring harness
 
The catalyst test may abort if the vehicle falls outside the conditions for running the DTC.
 
The catalyst test may abort due to a change in engine load such as the A/C or engine cooling fan cycling.
 
A catalyst may be temporarily degraded if a fuel with high sulfur content has been used. Drive the vehicle at highway speeds for 10 minutes and retest the converter.
 
If six tests have been attempted and the DTC has not run or passed during this key cycle, turn the key to OFF for 30 seconds. Perform the Conditions for Running a second time.
 
A maximum of 12 tests per key cycle will run if each test is a combination of pass, fail, or abort tests.
 
After a code clear, the catalyst test will run once if the test is a pass.
 
Important: DO NOT touch the accelerator, the HVAC, or the steering wheel while a catalyst test is in progress. Allow the engine to return to a stabilized idle. Keep the vehicle in Drive.
 

If an intermittent condition cannot be duplicated, the information included in the Freeze Frame Records can be useful in determining the vehicle operating conditions when the DTC was set.If the condition is determined to be intermittent, refer to Intermittent Conditions .
 

Trouble Code: P0442



EVAP System Small Leak (0.040") Detected

Possible Causes:



To help locate intermittent leaks, use the J 41413-200 Evaporative Emissions System Tester (EEST) to introduce smoke into the EVAP system. Move all EVAP components while observing smoke with the J 41413-SPT High Intensity White Light.
 
To improve the visibility of the smoke exiting the EVAP system, observe the suspected leak area from different angles with the J 41413-SPT .
 
A condition may exist where a leak in the EVAP system only exists under a vacuum condition. By using the scan tool Purge/Seal function to create a vacuum, seal the system and observe the FTP parameter for vacuum decay, this type of leak may be detected.
 
For intermittent conditions, refer to Intermittent Conditions .
 

Trouble Code: P0443



EVAP Purge Valve Circuit Malfunction

Trouble Code: P0446



EVAP Vent System Performance

Possible Causes:



An intermittent condition could be caused by a damaged evaporative emission (EVAP) vent housing, a temporary blockage at the EVAP canister vent solenoid valve inlet, or a pinched vent hose. A blockage in the vent system will also cause a poor fuel fill problem.
 
For intermittent conditions, refer to Intermittent Conditions .
 

Trouble Code: P0449



EVAP Vent Valve Circuit Malfunction

Trouble Code: P0452



Fuel Tank Pressure Sensor Circuit Low Voltage

Trouble Code: P0453



Fuel Tank Pressure Sensor Circuit High Voltage

Trouble Code: P0455



EVAP System Vacuum Malfunction

Possible Causes:



To help locate intermittent leaks, use the J 41413-200 Evaporative Emissions System Tester (EEST) to introduce smoke into the EVAP system. Move all EVAP components while observing smoke with the J 41413-SPT High Intensity White Light. Introducing smoke in 15 second intervals will allow less pressure into the EVAP system. When the system is less pressurized, the smoke will sometimes escape in a more condensed manner.
 
A temporary blockage in the EVAP canister purge solenoid valve, purge pipe or EVAP canister could cause an intermittent condition. Inspect and repair any restriction in the EVAP system.
 
To improve the visibility of the smoke exiting the EVAP system, observe the suspected leak area from different angles with the J 41413-SPT .
 
Reviewing the Failure Records vehicle mileage since the diagnostic test last failed may help determine how often the condition that caused the DTC to be set occurs. This may assist in diagnosing the condition.
 
For intermittent conditions, refer to Intermittent Conditions .
 

Trouble Code: P0461



Fuel Level Sensor Performance

Possible Causes:



Use the Freeze Frame and/or Failure Records data in order to locate an intermittent condition. If you cannot duplicate the DTC, the information included in the Freeze Frame and/or Failure Records data may aid in determining the number of miles since the DTC set. The Fail Counter and Pass Counter can also aid in determining the number of ignition cycles that the diagnostic reported a pass and/or fail. Operate the vehicle within the same freeze frame conditions such as RPM, engine load, vehicle speed, temperature, etc. This will isolate when the DTC failed.
 
Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0462



Fuel Level Sensor Circuit Low Voltage

Possible Causes:



Use the Freeze Frame and/or Failure Records data in order to locate an intermittent condition. If you cannot duplicate the DTC, the information included in the Freeze Frame and/or Failure Records data may aid in determining the number of miles since the DTC set. The Fail Counter and Pass Counter can also aid in determining the number of ignition cycles that the diagnostic reported a pass and/or fail. Operate the vehicle within the same freeze frame conditions such as RPM, engine load, vehicle speed, temperature, etc. This will isolate when the DTC failed.
 
Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0463



Fuel Level Sensor Circuit High Voltage

Possible Causes:



Use the Freeze Frame and/or Failure Records data in order to locate an intermittent condition. If you cannot duplicate the DTC, the information included in the Freeze Frame and/or Failure Records data may aid in determining the number of miles since the DTC set. The Fail Counter and Pass Counter can also aid in determining the number of ignition cycles that the diagnostic reported a pass and/or fail. Operate the vehicle within the same freeze frame conditions such as RPM, load, vehicle speed, temperature, etc. This will isolate when the DTC failed.
 
Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0496



EVAP System Excessive Vacuum

Trouble Code: P0502



Low Vehicle Speed With High Engine Speed in Gear

Possible Causes:



Ensure the VSS is correctly torqued to the transmission housing.
 

Trouble Code: P0503



Vehicle Speed Sensor Circuit Intermittent

Possible Causes:



Inspect for ABS DTCs. A faulty ABS condition may contribute to setting DTC P0503.
 

Trouble Code: P0506



Idle Speed Too Low

Trouble Code: P0507



Idle Speed Too High

Trouble Code: P0520



Oil Pressure Switch Circuit Voltage Signal Too High

Trouble Code: P0532



A/C Refrigerant Pressure Sensor Circuit Malfunction

Possible Causes:

Test the following conditions:



Visually inspect the sensor for contamination or damage.
 
Inspect for the following that may affect the sensors accuracy:

A malfunction within the refrigerant system causing low pressure
 
Visually inspect the A/C components and lines for damage.
 

Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0533



A/C Refrigerant Pressure Sensor Circuit Malfunction

Possible Causes:

Test the following conditions:



Visually inspect the sensor for contamination or damage.
 
Inspect for the following that may affect the sensors accuracy:

A malfunction within the refrigerant system causing low pressure
 
Visually inspect the A/C components and lines for damage.
 

Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
 

Trouble Code: P0562



System Voltage Too Low

Trouble Code: P0563



System Voltage Too High

Trouble Code: P0564



Cruise Control Invalid Voltage Signals

Possible Causes:



For an intermittent condition, refer to Testing for Intermittent and Poor Connections in Wiring Systems.
 

Trouble Code: P0601



Control Module Read Only Memory (ROM)

Trouble Code: P0602



Control Module Not Programmed

Trouble Code: P0603



Control Module Long Term Memory Reset

 
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