HHR 2006-2008

2.4L L4 VIN P Std 1

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2.4L L4 VIN P Std

Trouble Code: P000A



Intake Camshaft Position (CMP) System Slow Response

Possible Causes:



Engine oil low or in need of changing
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid control circuit for an open/high resistance
 
Engine timing components
 
CMP Actuator Solenoid malfunction
 

Trouble Code: P0010



Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit

Trouble Code: P0010



Intake Camshaft Position (CMP) System Performance

Possible Causes:



Engine oil low or in need of changing
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid control circuit for an open/high resistance
 
Engine timing components
 
CMP Actuator Solenoid malfunction
 
ECM has failed
 

Trouble Code: P0011



Intake Camshaft Position (CMP) System Performance

Trouble Code: P0011



Intake Camshaft Position (CMP) System Performance

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

Trouble Code: P0013



Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit

Trouble Code: P0013



Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit

Possible Causes:



Engine oil low or in need of changing
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid control circuit for an open/high resistance
 
Engine timing components
 
CMP Actuator Solenoid malfunction
 
ECM has failed
 

Trouble Code: P0014



Exhaust Camshaft Position (CMP) System Performance

Trouble Code: P0014



Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit (Bank 1)

Possible Causes:



Engine oil low or in need of changing
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid ignition voltage for an open/high resistance
 
CMP Actuator Solenoid control circuit for an open/high resistance
 
Engine timing components
 
CMP Actuator Solenoid malfunction
 
ECM has failed
 

Trouble Code: P0016



Crankshaft Position (CKP)-Intake Camshaft Position (CMP) Correlation

Possible Causes:



Inspect the engine for any recent engine mechanical repairs. An incorrectly installed camshaft, crankshaft, or timing chain can cause this DTC to set.
 

Trouble Code: P0016



Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation

Possible Causes:



Inspect the engine for any recent engine mechanical repairs. An incorrectly installed camshaft, crankshaft, or timing chain can cause this DTC to set.
 

Trouble Code: P0016



Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead * Center (TDC) on the crankshaft
 

Trouble Code: P0017



Crankshaft Position (CKP)-Exhaust Camshaft Position (CMP) Correlation

Trouble Code: P0017



Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation

Trouble Code: P0017



Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead * Center (TDC) on the crankshaft
 

Trouble Code: P0030



HO2S Heater Control Circuit Sensor 1

Trouble Code: P0030



HO2S Heater Control Circuit Sensor 1

Possible Causes:



HO2S ignition circuit for a short to ground or an open/high resistance
 
HO2S low control circuit driver is shorted to ground
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0031



HO2S Heater Control Circuit Low Voltage Sensor 1

Possible Causes:



HO2S ignition circuit for a short to ground or an open/high resistance
 
HO2S low control circuit driver is shorted to ground
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0032



HO2S Heater Control Circuit High Voltage Sensor 1

Possible Causes:



HO2S ignition circuit for a short to ground or an open/high resistance
 
HO2S low control circuit driver is shorted to ground
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0036



HO2S Heater Control Circuit Sensor 2

Trouble Code: P0036



HO2S Heater Control Circuit Sensor 2

Possible Causes:



HO2S ignition circuit for a short to ground or an open/high resistance
 
HO2S low control circuit driver is shorted to ground
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0037



HO2S Heater Control Circuit Low Voltage Sensor 2

Possible Causes:



HO2S low control circuit is shorted to system power (B+)
 
HO2S low control circuit driver is shorted inside the ECM
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0038



HO2S Heater Control Circuit High Voltage Sensor 2

Possible Causes:



HO2S ignition circuit for a short to ground or an open/high resistance
 
HO2S low control circuit driver is shorted to ground
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0053



HO2S Heater Resistance Sensor 1

Trouble Code: P0053



HO2S Heater Resistance Circuit Sensor 1

Possible Causes:



HO2S ignition circuit for a short to ground or an open/high resistance
 
HO2S low control circuit driver is shorted to ground
 
HO2S is damaged or it has failed
 
ECM has failed
 

Trouble Code: P0054



HO2S Heater Resistance Sensor 2

Trouble Code: P0068



Throttle Body Airflow Performance

Trouble Code: P0068



Throttle Body Airflow Performance

Possible Causes:



Throttle body for dirt, debris, and coking
 
Vacuum hoses for splits, kinks, and proper connections
 
Loose or damaged throttle blade
 
Broken throttle shaft
 
Any throttle body damage
 
Throttle body assembly has failed
 

Trouble Code: P0096



Intake Air Temperature (IAT) Sensor 2 Performance

Possible Causes:



MAF/IAT low reference circuit for an open/high resistance
 
MAF/IAT low reference circuit for an open/high resistance
 
MAF/IAT signal circuit for an open/high resistance
 
MAF/IAT sensor has failed
 
ECM has failed
 

Trouble Code: P009A



Intake Air Temperature (IAT)-Ambient Air Temperature (AAT) Correlation

Possible Causes:



AAT sensor reference circuit high resistance
 
AAT sensor cinal circuit high resistance
 
AAT sensor has failed
 
ECM has failed
 

Trouble Code: P0101



Mass Air Flow (MAF) Sensor Performance

Trouble Code: P0101



Mass Air Flow (MAF) Sensor Performance

Possible Causes:



A steady or intermittent high resistance of 15 ohms or greater on the ignition 1 voltage circuit will cause the MAF sensor signal to be increased by as much as 60 g/s. To pinpoint this condition perform a voltage drop test on the circuit.
 
Any type of contamination on the MAF sensor heating elements will degrade the proper operation of the sensor. Certain types of contaminants act as a heat insulator, which will impair the response of the sensor to airflow changes. Water or snow can create the opposite effect, and cause the signal to increase rapidly.
 
Depending on the current ambient temperature, and the vehicle operating conditions, a MAF sensor signal circuit that is shorted to the IAT signal circuit will increase or decrease the MAF sensor signal that is interpreted by the ECM. Additionally it may cause a rapid fluctuation in the IAT Sensor parameter.
 
A skewed or stuck engine coolant temperature (ECT) or IAT sensor will cause the calculated models to be inaccurate and may cause this DTC to run when it should not. Refer to Temperature Versus Resistance .
 

Trouble Code: P0102



Mass Air Flow (MAF) Sensor Circuit Low Frequency

Trouble Code: P0102



Mass Air Flow (MAF) Sensor Circuit Low Frequency

Possible Causes:



A steady or intermittent high resistance of 15 ohms or greater on the ignition 1 voltage circuit will cause the MAF sensor signal to be increased by as much as 60 g/s. A slightly greater resistance can cause the signal to cease. To pinpoint this condition perform a voltage drop test on the circuit.
 
Any type of contamination on the MAF sensor heating elements will degrade the proper operation of the sensor. Certain types of contaminants act as a heat insulator, which will impair the response of the sensor to airflow changes. Water or snow can create the opposite effect, and cause the signal to increase rapidly.
 
Depending on the current ambient temperature, and the vehicle operating conditions, a MAF sensor signal circuit that is shorted to the IAT signal circuit will increase or decrease the MAF sensor signal that is interpreted by the ECM. Additionally it may cause a rapid fluctuation in the IAT Sensor parameter.
 

Trouble Code: P0103



Mass Air Flow (MAF) Sensor Circuit High Frequency

Trouble Code: P0103



Mass Air Flow (MAF) Sensor Circuit High Frequency

Possible Causes:



A steady or intermittent high resistance of 15 ohms or greater on the ignition 1 voltage circuit will cause the MAF sensor signal to be increased by as much as 60 g/s. A slightly greater resistance can cause the signal to cease. To pinpoint this condition perform a voltage drop test on the circuit.
 
Any type of contamination on the MAF sensor heating elements will degrade the proper operation of the sensor. Certain types of contaminants act as a heat insulator, which will impair the response of the sensor to airflow changes. Water or snow can create the opposite effect, and cause the signal to increase rapidly.
 
Depending on the current ambient temperature, and the vehicle operating conditions, a MAF sensor signal circuit that is shorted to the IAT signal circuit will increase or decrease the MAF sensor signal that is interpreted by the ECM. Additionally it may cause a rapid fluctuation in the IAT Sensor parameter.
 

Trouble Code: P0106



Manifold Absolute Pressure (MAP) Sensor Performance

Trouble Code: P0106



Manifold Absolute Pressure (MAP) Sensor Performance

Possible Causes:



A wide open throttle (WOT) acceleration from a stop should cause the MAP sensor parameter on the scan tool to increase rapidly to near the BARO Sensor parameter at the time of the 1-2 shift.
 
A skewed or stuck engine coolant temperature (ECT) sensor or IAT sensor will cause the calculated models to be inaccurate and may cause this DTC to run when it should not. Refer to Temperature Versus Resistance .
 
The barometric pressure (BARO) that is used by the ECM to calculate the air flow models is initially based on the MAP sensor at ignition ON. When the engine is running, the ECM will continually update the BARO value near WOT using the MAP sensor and a calculation. A skewed MAP sensor will cause the BARO value to be inaccurate.
 

Trouble Code: P0107



Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

Trouble Code: P0108



Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

 
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