Solstice 2006-2008, Sky 2007-2008

2.4L L4 VIN B Auto 4

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Trouble Code: P0351



Ignition Coil 1 Control Circuit

Trouble Code: P0351



Ignition Coil 1 Control Circuit Malfunction

Possible Causes:



IC circuit is open, shorted to ground or shorted to power (B+)
 
IC ground (Low REF) circuit or Module ground circuit is open
 
IC power circuit is open (check the INJ fuse in U/H fuse block)
 
Ignition Coil 1 is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0352



Ignition Coil 2 Control Circuit

Trouble Code: P0352



Ignition Coil 2 Control Circuit Malfunction

Possible Causes:



IC circuit is open, shorted to ground or shorted to power
 
Ignition coil (COP) is damaged or has failed
 
ECM has failed
 

Trouble Code: P0353



Ignition Coil 3 Control Circuit

Trouble Code: P0353



Ignition Coil 3 Control Circuit Malfunction

Possible Causes:



IC circuit is open, shorted to ground or shorted to power between the coil and the ECM
 
Ignition coil (COP) is damaged or has failed
 
ECM has failed
 

Trouble Code: P0354



Ignition Coil 4 Control Circuit

Trouble Code: P0354



Ignition Coil 4 Control Circuit Malfunction

Possible Causes:



IC circuit is open, shorted to ground or shorted to power between the coil and the ECM
 
Ignition coil (COP) is damaged or has failed, or the ECM has failed
 

Trouble Code: P0365



Exhaust Camshaft Position (CMP) Sensor Circuit

Trouble Code: P0365



Exhaust Camshaft Position (CMP) Sensor Performance

Possible Causes:



Camshaft reluctor wheel for damage
 
Engine oil for debris
 
Timing chain, tensioner, and sprockets for wear or damage.
 
CMP has failed
 
ECM has failed
 

Trouble Code: P0366



Exhaust Camshaft Position (CMP) Sensor Performance

Trouble Code: P0366



Exhaust Camshaft Position (CMP) Sensor Performance (Bank 1)

Possible Causes:



Low reference circuit for an open/high resistance or for a short to voltage
 
5 volt reference circuit for an open/high resistance
 
Short to voltage in the signal circuit
 
Short to ground or an open/high resistance in the signal circuit.
 
CMP has failed
 
ECM has failed
 

Trouble Code: P0411



Secondary Air Injection (AIR) System Incorrect Air Flow Detected

Possible Causes:



AIR pump relay has failed
 
AIR pump has failed
 
AIR solenoid relay has failed
 
AIR solenoid valve has failed
 
Test or inspect the AIR solenoid valve outlet pipe and exhaust manifold for a restriction
 
Air injection check valve
 

Trouble Code: P0412



Secondary Air Injection (AIR) Solenoid Control Circuit

Possible Causes:



AIR pump relay has failed
 
AIR pump has failed
 
AIR solenoid relay has failed
 
AIR solenoid valve has failed
 
Test or inspect the AIR solenoid valve outlet pipe and exhaust manifold for a restriction
 
Air injection check valve
 

Trouble Code: P0418



Secondary Air Injection (AIR) Pump Control Circuit

Possible Causes:



AIR pump relay has failed
 
AIR pump has failed
 
AIR solenoid relay has failed
 
AIR solenoid valve has failed
 
Test or inspect the AIR solenoid valve outlet pipe and exhaust manifold for a restriction
 
Air injection check valve
 

Trouble Code: P0420



Catalyst System Low Efficiency

Trouble Code: P0420



Catalyst System Low Efficiency (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Base engine problems (i.e., high engine oil or coolant usage)
 
Catalytic converter is damaged, contaminated or has failed
 
Continuous engine misfire conditions, or weak or low coil output
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Rear HO2S is loose in the mounting hole (check it for a leak)
 
Front HO2S older (aged) than the rear HO2S (HO2S-12 is lazy)
 

Trouble Code: P0430



Catalyst System Low Efficiency (Bank 2)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Base engine problems (i.e., high engine oil or coolant usage)
 
Catalytic converter is damaged, contaminated or has failed
 
Continuous engine misfire conditions, or weak or low coil output
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Rear HO2S is loose in the mounting hole (check it for a leak)
 
Front HO2S older (aged) than the rear HO2S (HO2S-12 is lazy)
 

Trouble Code: P0442



Evaporative Emissions (EVAP) System Small Leak Detected

Possible Causes:



The EVAP system can be filled with smoke more quickly and completely by opening the system opposite the end where the smoke is injected. For example, when injecting smoke at the service port, remove the filler cap or temporarily leave the vent open until smoke is observed. Close the system and continue testing. If using a fuel cap adapter at the filler neck, use the J 41413-VLV at the service port to allow the system to fill faster.
 
To help locate intermittent leaks, use the J 41413-200 to introduce smoke into the EVAP system. Move all EVAP components while observing smoke with the J 41413-SPT .
 
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.
 
If a small leak is difficult to find, it may be necessary to remove the EVAP components and test them one at a time using the adapters in the J 41413-300 .
 

Trouble Code: P0442



Evaporative Emission (EVAP) System Small Leak Detected

Possible Causes:



Damaged EVAP purge solenoid
 
Damaged EVAP vent valve or EVAP canister
 
Incorrectly routed, kinked, or damaged EVAP pipes and hoses
 

Trouble Code: P0443



Evaporative Emission (EVAP) Purge Solenoid Control Circuit

Trouble Code: P0443



EVAP Purge Solenoid Control Circuit Malfunction

Possible Causes:



Purge solenoid control circuit is open or shorted to ground
 
Purge solenoid control circuit is shorted to system power (B+)
 
Purge solenoid power circuit is open (test the IGN1 fuse)
 
Purge solenoid is damaged or has failed
 
ECM has failed
 

Trouble Code: P0446



Evaporative Emission (EVAP) Vent System Performance

Possible Causes:



An intermittent condition could be caused by a damaged 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.
 
An EVAP canister that is restricted can cause this DTC to set.
 

Trouble Code: P0446



Evaporative Emissions (EVAP) Vent System Performance

Possible Causes:



EVAP vent fresh air hose is clogged, kinked or restricted
 
EVAP Vent solenoid is contaminated, damaged or has failed
 
FTP sensor is out-of-calibration, damaged or "skewed"
 
ECM has failed
 

Trouble Code: P0449



Evaporative Emission (EVAP) Vent Solenoid Control Circuit

Trouble Code: P0449



EVAP Vent Solenoid Control Circuit Malfunction

Possible Causes:



Vent solenoid control circuit is open or shorted to ground
 
Vent solenoid control circuit is shorted to system power (B+)
 
Vent solenoid power circuit is open (test the ENG1 fuse)
 
Vent solenoid is damaged or has failed
 
ECM has failed
 

Trouble Code: P0451



Fuel Tank Pressure (FTP) Sensor Performance

Possible Causes:

P0451 and P0454



A restriction in the EVAP canister or vent lines could prevent fuel vapor pressure from bleeding off fast enough. If the vent system cannot bleed off pressure fast enough, the re-zero procedure may not complete successfully, which could cause this code to set.
 
Ensure that the reference port on the FTP sensor is unobstructed.
 
An FTP sensor that is skewed or does not have a linear transition from low to high may cause this code to set. Scan tool output controls, snapshot, and plot functions can help detect erratic sensor response. To test the sensor signal under vacuum conditions, use the Quick Snapshot and the Purge/Seal functions to capture data while commanding purge to 20 percent, then plot the data to look for erratic sensor operation. A similar test can be done for the pressure side of the sensor operation by applying pressure with the J 41413-200 while taking a snapshot.
 

Trouble Code: P0451



Fuel Tank Pressure (FTP) Sensor Performance

Possible Causes:



EVAP purge solenoid valve
 
FTP sensor
 
EVAP canister vent solenoid valve and vent pipe for a blockage or restriction
 

Trouble Code: P0452



Fuel Tank Pressure (FTP) Sensor Circuit Low Voltage

Possible Causes:

P0451 and P0454



A restriction in the EVAP canister or vent lines could prevent fuel vapor pressure from bleeding off fast enough. If the vent system cannot bleed off pressure fast enough, the re-zero procedure may not complete successfully, which could cause this code to set.
 
Ensure that the reference port on the FTP sensor is unobstructed.
 
An FTP sensor that is skewed or does not have a linear transition from low to high may cause this code to set. Scan tool output controls, snapshot, and plot functions can help detect erratic sensor response. To test the sensor signal under vacuum conditions, use the Quick Snapshot and the Purge/Seal functions to capture data while commanding purge to 20 percent, then plot the data to look for erratic sensor operation. A similar test can be done for the pressure side of the sensor operation by applying pressure with the J 41413-200 while taking a snapshot.
 

Trouble Code: P0453



Fuel Tank Pressure (FTP) Sensor Circuit High Voltage

Possible Causes:

P0451 and P0454



A restriction in the EVAP canister or vent lines could prevent fuel vapor pressure from bleeding off fast enough. If the vent system cannot bleed off pressure fast enough, the re-zero procedure may not complete successfully, which could cause this code to set.
 
Ensure that the reference port on the FTP sensor is unobstructed.
 
An FTP sensor that is skewed or does not have a linear transition from low to high may cause this code to set. Scan tool output controls, snapshot, and plot functions can help detect erratic sensor response. To test the sensor signal under vacuum conditions, use the Quick Snapshot and the Purge/Seal functions to capture data while commanding purge to 20 percent, then plot the data to look for erratic sensor operation. A similar test can be done for the pressure side of the sensor operation by applying pressure with the J 41413-200 while taking a snapshot.
 

Trouble Code: P0454



Fuel Tank Pressure (FTP) Sensor Intermittent

Possible Causes:

P0451 and P0454



A restriction in the EVAP canister or vent lines could prevent fuel vapor pressure from bleeding off fast enough. If the vent system cannot bleed off pressure fast enough, the re-zero procedure may not complete successfully, which could cause this code to set.
 
Ensure that the reference port on the FTP sensor is unobstructed.
 
An FTP sensor that is skewed or does not have a linear transition from low to high may cause this code to set. Scan tool output controls, snapshot, and plot functions can help detect erratic sensor response. To test the sensor signal under vacuum conditions, use the Quick Snapshot and the Purge/Seal functions to capture data while commanding purge to 20 percent, then plot the data to look for erratic sensor operation. A similar test can be done for the pressure side of the sensor operation by applying pressure with the J 41413-200 while taking a snapshot.
 

Trouble Code: P0454



Evaporative Emission (EVAP) System Large Leak Detected

Possible Causes:



Inspect for a damaged fuel filler neck seal surface.
 
Blockage or restriction in the EVAP purge solenoid valve, purge pipe, EVAP canister, or vapor pipe,
 
Inspect for a loose, missing, damaged, or incorrect fuel fill cap
 
FTP sensor has failed
 

Trouble Code: P0455



Evaporative Emission (EVAP) System Large Leak

Possible Causes:



Inspect for a loose, missing, incorrect, or damaged fuel fill cap.
 
Verify that the fuel filler neck sealing surface is not distorted or damaged.
 
To help locate intermittent leaks, use the J 41413-200 to introduce smoke into the EVAP system. Move all EVAP components while observing smoke 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.
 
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 the vacuum decay, this type of leak may be detected.
 
If a small leak is difficult to find, it may be necessary to remove the EVAP components and leak test them one at a time using the adapters in the J 41413-300 .
 

Trouble Code: P0455



Evaporative Emissions (EVAP) System Very Small Leak Detected

Possible Causes:



Damaged EVAP purge solenoid
 
Damaged EVAP vent valve or EVAP canister
 
Incorrectly routed, kinked, or damaged EVAP pipes and hoses
 

Trouble Code: P0456



Evaporative Emission (EVAP) Purge Solenoid Control Circuit Low Voltage

Possible Causes:



EVAP purge solenoid control circuit for a shorted to ground.
 
EVAP purge solenoid shorted to voltage or an open/high resistance
 
Faulty EVAP purge solenoid.
 
ECM has failed
 

Trouble Code: P0458



Evaporative Emission (EVAP) Purge Solenoid Control Circuit High Voltage

Possible Causes:



EVAP purge solenoid control circuit for a shorted to ground.
 
EVAP purge solenoid shorted to voltage or an open/high resistance
 
Faulty EVAP purge solenoid.
 
ECM has failed
 

Trouble Code: P0459



Fuel Level Sensor High Input

Possible Causes:



Fuel level sensor signal circuit is shorted to system power
 
Fuel level sensor ground circuit is open
 
Fuel level sender is damaged, binding or not aligned properly
 
ECM has failed
 

Trouble Code: P0461



Fuel Level Sensor Circuit Performance

Trouble Code: P0462



Fuel Level Sensor Circuit Low Voltage

Trouble Code: P0463



Fuel Level Sensor Circuit High Voltage

 
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