CTS 2006-2007, CTS-V 2005-2007, DTS 2006-2007

4.6L V8 VIN Y Auto 2

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Trouble Code: P0157



HO2S Circuit Low Voltage Bank 2 Sensor 1

Trouble Code: P0158



HO2S Circuit High Voltage Bank 2 Sensor 1

Trouble Code: P0160



HO2S Circuit Insufficient Activity Bank 2 Sensor 1

Trouble Code: P0161



HO2S Heater Performance

Trouble Code: P0171



Fuel Trim System Lean Bank 1

Trouble Code: P0172



Fuel Trim System Rich Bank 1

Trouble Code: P0174



Fuel Trim System Lean Bank 2

Trouble Code: P0175



Fuel Trim System Rich Bank 2

Trouble Code: P0201



Injector 1 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0202



Injector 2 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0203



Injector 3 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0204



Injector 4 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0205



Injector 5 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0206



Injector 6 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0207



Injector 7 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0208



Injector 8 Control Circuit

Possible Causes:



Performing the Fuel Injector Diagnosis may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 

Trouble Code: P0218



Transmission Condition Overtemperature

Possible Causes:



Verify the driving habits of the customer, such as trailer towing, etc.
 
The scan tool transmission fluid temperature (TFT) should rise steadily during warm-up cycles then stabilize.
 

Trouble Code: P0220



Throttle Position (TP) Sensor 2 Circuit

Trouble Code: P0222



Throttle Position (TP) Sensor 2 Circuit Low Voltage

Trouble Code: P0223



Throttle Position (TP) Sensor 2 Circuit High Voltage

Trouble Code: P0230



Fuel Pump Relay Control Circuit

Trouble Code: P0300



Engine Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0305



Cylinder 5 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0306



Cylinder 6 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0307



Cylinder 7 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0308



Cylinder 8 Misfire Detected

Possible Causes:



A misfire may only occur when the engine is under a load or when the engine is cold.
 
The Crankshaft Position System Variation Learn may need to be performed.
 
A misfire DTC could be caused by an excessive vibration from sources other than the engine. Inspect for the following possible sources:

A tire or wheel that is out of round or out of balance
 
Variable thickness brake rotors
 
An unbalanced drive shaft
 
Certain rough road conditions
 
A damaged accessory drive component or belt
 

 

Trouble Code: P0315



Crankshaft Position (CKP) System Variation Not Learned

Trouble Code: P0324



Knock Sensor (KS) Module Performance

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 should be free of thread sealant. The KS mounting surface should be free of burrs, casting flash, and foreign material.
 
The KS must be clear of hoses, brackets, and engine electrical wiring.
 

Trouble Code: P0324



Knock Sensor (KS) Module Performance

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 must be free of burrs, casting flash, and foreign material.
 

Trouble Code: P0325



Knock Sensor (KS) Module Performance

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 should be free of thread sealant. The KS mounting surface should be free of burrs, casting flash, and foreign material.
 
The KS must be clear of hoses, brackets, and engine electrical wiring.
 

Trouble Code: P0325



Knock Sensor (KS) Circuit Bank 1

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 must be free of burrs, casting flash, and foreign material.
 

Trouble Code: P0326



Knock Sensor (KS) Performance

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 should be free of thread sealant. The KS mounting surface should be free of burrs, casting flash, and foreign material.
 
The KS must be clear of hoses, brackets, and engine electrical wiring.
 

Trouble Code: P0326



Knock Sensor (KS) Performance

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 must be free of burrs, casting flash, and foreign material.
 

Trouble Code: P0327



Knock Sensor (KS) Circuit Bank 1

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 should be free of thread sealant. The KS mounting surface should be free of burrs, casting flash, and foreign material.
 
The KS must be clear of hoses, brackets, and engine electrical wiring.
 

Trouble Code: P0327



Knock Sensor (KS) Circuit Low Voltage Bank 1

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 must be free of burrs, casting flash, and foreign material.
 

Trouble Code: P0328



Knock Sensor (KS) Circuit High Bank 1

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 should be free of thread sealant. The KS mounting surface should be free of burrs, casting flash, and foreign material.
 
The KS must be clear of hoses, brackets, and engine electrical wiring.
 

 
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