HHR 2006-2008

2.2L L4 VIN D Auto 3

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Trouble Code: P0201



Fuel Injector 1 Control Circuit Malfunction

Possible Causes:



Injector 1 power circuit (B+) is open (check the power fuse)
 
Injector 1 control circuit is open between injector and ECM
 
Injector 1 control circuit is grounded between injector and ECM
 
Injector 1 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0202



Injector 2 Control Circuit

Possible Causes:



Performing the Fuel Injector Coil Test may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 
For an intermittent condition, refer to Intermittent Conditions .
 

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: P0202



Fuel Injector 2 Control Circuit Malfunction

Possible Causes:



Injector 2 power circuit (B+) is open (check the power fuse)
 
Injector 2 control circuit is open between injector and ECM
 
Injector 2 control circuit is grounded between injector and ECM
 
Injector 2 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0203



Injector 3 Control Circuit

Possible Causes:



Performing the Fuel Injector Coil Test may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 
For an intermittent condition, refer to Intermittent Conditions .
 

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: P0203



Fuel Injector 3 Control Circuit Malfunction

Possible Causes:



Injector 3 power circuit (B+) is open (check the power fuse)
 
Injector 3 control circuit is open between injector and ECM
 
Injector 3 control circuit is grounded between injector and ECM
 
Injector 3 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0204



Injector 4 Control Circuit

Possible Causes:



Performing the Fuel Injector Coil Test may help isolate an intermittent condition. Refer to Fuel Injector Diagnosis .
 
For an intermittent condition, refer to Intermittent Conditions .
 

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: P0204



Fuel Injector 4 Control Circuit Malfunction

Possible Causes:



Injector 4 power circuit (B+) is open (check the power fuse)
 
Injector 4 control circuit is open between injector and ECM
 
Injector 4 control circuit is grounded between injector and ECM
 
Injector 4 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0205



Fuel Injector 5 Control Circuit Malfunction

Possible Causes:



Injector 5 power circuit (B+) is open (check the power fuse)
 
Injector 5 control circuit is open between injector and ECM
 
Injector 5 control circuit is grounded between injector and ECM
 
Injector 5 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0206



Fuel Injector 6 Control Circuit Malfunction

Possible Causes:



Injector 6 power circuit (B+) is open (check the power fuse)
 
Injector 6 control circuit is open between injector and ECM
 
Injector 6 control circuit is grounded between injector and ECM
 
Injector 6 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0207



Fuel Injector 7 Control Circuit Malfunction

Possible Causes:



Injector 7 power circuit (B+) is open (check the power fuse)
 
Injector 7 control circuit is open between injector and ECM
 
Injector 7 control circuit is grounded between injector and ECM
 
Injector 7 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0208



Fuel Injector 8 Control Circuit Malfunction

Possible Causes:



Injector 8 power circuit (B+) is open (check the power fuse)
 
Injector 8 control circuit is open between injector and ECM
 
Injector 8 control circuit is grounded between injector and ECM
 
Injector 8 is damaged or it has failed
 
ECM is damaged
 

Trouble Code: P0218



Transmission Fluid Overtemperature

Possible Causes:



Ask the customer about possible overloading, exceeding the trailer towing limit, or towing in overdrive.
 

Trouble Code: P0220



Throttle Position (TP) Sensor 2 Circuit

Trouble Code: P0222



Throttle Position (TP) Sensor 2 Circuit Low Voltage

Trouble Code: P0222



Throttle Position (TP) Sensor 2 Circuit High Voltage

Possible Causes:



TP sensor low reference circuit for an open/high resistance
 
TP sensor 5-volt reference circuit for a short to ground or an open/high resistance
 
TP sensor 5-volt reference circuit for a short to voltage
 
TP sensor signal circuit for a short to voltage
 
TP sensor signal circuit for a short to ground or an open/high resistance
 
TP sensor has failed (replace throttle body)
 
ECM has failed
 

Trouble Code: P0223



Throttle Position (TP) Sensor 2 Circuit High Voltage

Trouble Code: P0223



Fuel Pump Relay Control Circuit

Possible Causes:



Fuel pump relay shorted to ground
 
Fuel pump relay shorted to Voltage
 
Fuel pump relay open condition
 
Fuel pump relay has failed
 
ECM has failed
 

Trouble Code: P0230



Fuel Pump Relay Control Circuit

Trouble Code: P0261



Injector 1 Control Circuit High Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0262



Injector 2 Control Circuit Low Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0264



Injector 2 Control Circuit High Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0265



Injector 3 Control Circuit Low Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0267



Injector 3 Control Circuit High Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0268



Injector 4 Control Circuit Low Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0270



Injector 4 Control Circuit High Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0271



Injector 5 Control Circuit Low Voltage

Possible Causes:



High voltage control circuit shorted to voltage
 
High voltage control circuit short to ground or an open/high resistance
 
Low voltage control circuit shorted to voltage
 
Low voltage control circuit short to ground or an open/high resistance
 
Faulty fuel injector
 
ECM has failed.
 

Trouble Code: P0300



Engine Misfire Detected

Possible Causes:



You must perform the CKP system variation learn procedure before proceeding with this diagnostic table. Refer to Crankshaft Position System Variation Learn .
 

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. 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: P0300



Multiple Engine Misfire Detected

Possible Causes:



Base engine mechanical fault that affects one or more cylinders
 
Fuel metering fault that affects more than one cylinder
 
Fuel pressure too low or too high, fuel supply contaminated
 
EVAP system problem or the EVAP canister is fuel saturated
 
EGR valve is stuck open or the PCV system has a vacuum leak
 
IC control circuit is shorted to ground (an intermittent fault)
 
Ignition system fault (a coil) that affects more than one cylinder
 
MAF sensor contamination (it can cause a very lean condition)
 

Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 1
 
Fuel delivery component fault that affects only Cylinder 1 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil, plug) that affects only Cylinder 1
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV 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 problem (coil, 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 PCV 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 problem (coil, 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 PCV 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 problem (coil, plug) that affects only Cylinder 4
 

Trouble Code: P0313



Crankshaft Position (CKP) System Variation Not Learned

Possible Causes:



Any worn crankshaft main bearings
 
Damaged or misaligned reluctor wheel
 
Excessive crankshaft runout
 
A damaged crankshaft
 
Interference in the signal circuit of the CKP sensor
 
Ignition switch is left in the ON position, until the battery is discharged
 
ECM power disconnect, with the ignition ON, that may have erased the * CKP system variation values
 
Debris between the CKP sensor and the reluctor wheel
 
CKP System lost Variation Learn Procedure
 
ECM has failed
 

Trouble Code: P0315



Crankshaft Position (CKP) System Variation Not Learned

Trouble Code: P0325



Knock Sensor (KS) Circuit

Trouble Code: P0325



Knock Sensor (KS) Circuit

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.
 

 
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