Corvette 2005-2008

7.0L V8 VIN E Std 1

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7.0L V8 VIN E Std

Trouble Code: P0016



Crankshaft Position (CKP) - 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 (Bank 1 Sensor 1)

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: P0033



Supercharger Bypass Valve Solenoid Control Circuit

Possible Causes:

ignition circuit for a short to ground or an open/high resistance



SCB solenoid control circuit terminal 2 for a short to ground
 
SCB solenoid control circuit terminal 2 for a short to voltage or an open/high resistance
 
SCB solenoid has failed
 
ECM has failed
 

Trouble Code: P0036



Heater Control Circuit (Bank 1 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 (Bank 1 Sensor 1)

Possible Causes:



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

Trouble Code: P0054



HO2S Heater Resistance (Bank 1 Sensor 2)

Possible Causes:



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

Trouble Code: P0056



HO2S Heater Control Circuit (Bank 2 Sensor 2)

Possible Causes:



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

Trouble Code: P0059



HO2S Heater Resistance (Bank 2 Sensor 1)

Possible Causes:



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

Trouble Code: P0060



HO2S Heater Resistance (Bank 2 Sensor 2)

Possible Causes:



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

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: P006D



Supercharger Inlet Pressure (SCIP) - Barometric Pressure (BARO) Correlation

Possible Causes:



SCIAP and BARO sensor, loose or improper installation
 
SCIAP and BARO sensor, low reference circuit for an open/high resistance
 
SCIAP and BARO sensor, 5V reference circuit for a short to ground or an open/high resistance.
 
SCIAP and BARO sensor, 5V reference circuit for a short to voltage
 
SCIAP and BARO sensor, signal circuit for a short to voltage
 
SCIAP and BARO sensor, signal circuit for an open/high resistance
 

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: P0097



Intake Air Temperature (IAT) Sensor 2 Circuit Low Voltage

Possible Causes:



IAT signal circuit for a short to ground
 
IAT signal circuit terminal A for a short to voltage or an open/high resistance
 
IAT sensor 2 has failed
 
ECM has failed
 

Trouble Code: P0097



Intake Air Temperature (IAT) Sensor 2 Circuit High Voltage

Possible Causes:



IAT signal circuit for a short to ground
 
IAT signal circuit terminal A for a short to voltage or an open/high resistance
 
IAT sensor 2 has failed
 
ECM has failed
 

Trouble Code: P0097



Mass Air Flow (MAF) Sensor Performance

Possible Causes:



MAF/IAT sensor for loose or improper installation
 
An air flow restriction
 
Any vacuum leak
 
Water intrusion
 
In cold climates, inspect for any snow or ice buildup
 
MAF sensor element for contamination
 
MAF/IAT sensorground circuit for an open/high resistance
 
MAF/IAT sensorignition circuit for a short to ground or an open/high resistance.
 
MAF/IAT sensorsignal circuit for a short to ground or an open/high resistance
 
MAF/IAT sensorsignal circuit for a short to voltage
 

Trouble Code: P0097



Intake Air Flow System Performance

Possible Causes:



MAF/IAT sensor for loose or improper installation
 
An air flow restriction
 
Any vacuum leak
 
Water intrusion
 
In cold climates, inspect for any snow or ice buildup
 
MAF sensor element for contamination
 
MAF/IAT sensorground circuit for an open/high resistance
 
MAF/IAT sensorignition circuit for a short to ground or an open/high resistance.
 
MAF/IAT sensorsignal circuit for a short to ground or an open/high resistance
 
MAF/IAT sensorsignal circuit for a short to voltage
 

Trouble Code: P0102



Mass Air Flow (MAF) Sensor Circuit Low Frequency

Possible Causes:



Restricted or collapsed air intake duct
 
Misaligned air intake duct
 
Dirty or deteriorating air filter element
 
Objects blocking the air inlet screen of the MAF/IAT sensor
 
Water intrusion in the induction system
 
Contamination or debris on the sensing elements of the MAF sensor
 
Any vacuum leak
 
MAF/IAT sensor ground circuit for an open/high resistance
 
MAF/IAT sensor ignition circuit terminal C for a short to ground or an open/high resistance
 
MAF/IAT sensor signal circuit for a short to ground or an open/high resistance.
 
MAF/IAT sensor signal circuit for a short to voltage
 
MAF/IAT sensor has failed
 
ECM has failed
 

Trouble Code: P0103



Mass Air Flow (MAF) Sensor Circuit High Frequency

Possible Causes:



Restricted or collapsed air intake duct
 
Misaligned air intake duct
 
Dirty or deteriorating air filter element
 
Objects blocking the air inlet screen of the MAF/IAT sensor
 
Water intrusion in the induction system
 
Contamination or debris on the sensing elements of the MAF sensor
 
Any vacuum leak
 
MAF/IAT sensor ground circuit for an open/high resistance
 
MAF/IAT sensor ignition circuit terminal C for a short to ground or an open/high resistance
 
MAF/IAT sensor signal circuit for a short to ground or an open/high resistance.
 
MAF/IAT sensor signal circuit for a short to voltage
 
MAF/IAT sensor has failed
 
ECM has failed
 

Trouble Code: P0106



Manifold Absolute Pressure (MAP) Sensor Performance

Possible Causes:



MAP sensor low reference circuit for an open/high resistance
 
MAP sensor 5-volt reference circuit for a short to ground or an open/high resistance
 
MAP sensor 5-volt reference circuit for a short to voltage
 
MAP sensor signal circuit for a short to voltage
 
MAP sensor signal circuit for a short to ground or an open/high resistance
 
MAP sensor has failed
 
ECM has failed
 

Trouble Code: P0107



Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage

Possible Causes:



Intake manifold vacuum leaks
 
A loose or improperly installed MAP sensor
 
A restriction in the vacuum source of the MAP sensor
 
MAP sensor low reference circuit for an open/high resistance
 
MAP sensor 5-volt reference circuit for a short to ground or an open/high resistance
 
MAP sensor 5-volt reference circuit for a short to voltage
 
MAP sensor signal circuit for a short to voltage
 
MAP sensor signal circuit for a short to ground or an open/high resistance
 
MAP sensor has failed
 
ECM has failed
 

Trouble Code: P0108



Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage

Possible Causes:



Intake manifold vacuum leaks
 
A loose or improperly installed MAP sensor
 
A restriction in the vacuum source of the MAP sensor
 
MAP sensor low reference circuit for an open/high resistance
 
MAP sensor 5-volt reference circuit for a short to ground or an open/high resistance
 
MAP sensor 5-volt reference circuit for a short to voltage
 
MAP sensor signal circuit for a short to voltage
 
MAP sensor signal circuit for a short to ground or an open/high resistance
 
MAP sensor has failed
 
ECM has failed
 

Trouble Code: P0111



Intake Air Temperature (IAT) Sensor Performance

Possible Causes:



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

Trouble Code: P0112



Intake Air Temperature (IAT) Sensor Circuit Low Voltage

Possible Causes:



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

Trouble Code: P0113



Intake Air Temperature (IAT) Sensor Circuit High Voltage

Possible Causes:



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

Trouble Code: P0116



Engine Coolant Temperature (ECT) Sensor Performance

Possible Causes:



ECT sensor low reference circuit for an open/high resistance.
 
ECT sensor signal circuit for a short to ground
 
ECT sensor signal circuit for a short to voltage or an open/high resistance
 
ECT sensor has failed
 
ECM has failed
 

Trouble Code: P0117



Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage

Possible Causes:



ECT sensor low reference circuit for an open/high resistance.
 
ECT sensor signal circuit for a short to ground
 
ECT sensor signal circuit for a short to voltage or an open/high resistance
 
ECT sensor has failed
 
ECM has failed
 

Trouble Code: P0118



Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

Possible Causes:



ECT sensor low reference circuit for an open/high resistance.
 
ECT sensor signal circuit for a short to ground
 
ECT sensor signal circuit for a short to voltage or an open/high resistance
 
ECT sensor has failed
 
ECM has failed
 

Trouble Code: P0120



Throttle Position (TP) Sensor 1 Circuit

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 terminal F for a short to ground
 
TP sensor 1 signal circuit for a short to ground or an open/high resistance
 
TP sensor 2 signal circuit for a short to voltage
 
TP sensor 2 signal circuit for an open/high resistance.
 
Throttle body has failed
 
ECM has failed
 

Trouble Code: P0121



Throttle Position (TP) Sensor 1 Performance

Possible Causes:



Loose or damaged throttle blade
 
Broken throttle shaft
 
Any throttle body damage
 
Throttle body assembly has failed
 

Trouble Code: P0122



Throttle Position (TP) Sensor 1 Circuit Low 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 terminal F for a short to ground
 
TP sensor 1 signal circuit for a short to ground or an open/high resistance
 
TP sensor 2 signal circuit for a short to voltage
 
TP sensor 2 signal circuit for an open/high resistance.
 
Throttle body has failed
 
ECM has failed
 

Trouble Code: P0123



Throttle Position (TP) Sensor 1 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 terminal F for a short to ground
 
TP sensor 1 signal circuit for a short to ground or an open/high resistance
 
TP sensor 2 signal circuit for a short to voltage
 
TP sensor 2 signal circuit for an open/high resistance.
 
Throttle body has failed
 
ECM has failed
 

Trouble Code: P0128



Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature

Possible Causes:



Open thermostat
 
ECT sensorlow reference circuit for an open/high resistance
 
ECT sensorsignal circuit for a short to voltage or an open/high resistance
 
ECT sensorsignal circuit for a short to ground
 
ECT sensor has failed
 
ECM has failed
 

Trouble Code: P012B



Supercharger Inlet Pressure Sensor Performance

Possible Causes:



Restricted or collapsed air intake duct
 
Misaligned or damaged air intake duct
 
Any vacuum leak downstream of the MAF/IAT sensor
 
An intake manifold leak
 
SCIAP sensorlow reference circuit for an open/high resistance
 
SCIAP sensorsignal circuit terminal 3 for a short to voltage
 
SCIAP sensorsignal circuit for a short to ground, open/high resistance
 
SCIAP sensor has failed
 
ECM has failed
 

Trouble Code: P012B



Supercharger Inlet Pressure (SCIP) Sensor Circuit Low Voltage

Possible Causes:



SCIAP sensor low reference circuit for an open/high resistance
 
SCIAP sensor 5V reference circuit for a short to ground or an open/high resistance
 
SCIAP sensor signal circuit terminal 3 for a short to voltage
 
SCIAP sensor signal circuit for a short to ground, open/high resistance
 
SCIAP sensor has failed
 
ECM has failed
 

Trouble Code: P012B



Supercharger Inlet Pressure (SCIP) Sensor Circuit High Voltage

Possible Causes:



SCIAP sensor low reference circuit for an open/high resistance
 
SCIAP sensor 5V reference circuit for a short to ground or an open/high resistance
 
SCIAP sensor signal circuit terminal 3 for a short to voltage
 
SCIAP sensor signal circuit for a short to ground, open/high resistance
 
SCIAP sensor has failed
 
ECM has failed
 

Trouble Code: P0131



HO2S Circuit Low Voltage (Bank 1 Sensor 1)

Possible Causes:



HO2S low reference circuit for an open/high resistance
 
HO2S signal circuit for a short to ground
 
HO2S signal circuit for a short to voltage
 
HO2S signal circuit for an open/high resistance
 
HO2S has failed
 
ECM has failed
 

Trouble Code: P0132



HO2S Circuit High Voltage (Bank 1 Sensor 1)

Possible Causes:



HO2S low reference circuit for an open/high resistance
 
HO2S signal circuit for a short to ground
 
HO2S signal circuit for a short to voltage
 
HO2S signal circuit for an open/high resistance
 
HO2S has failed
 
ECM has failed
 

Trouble Code: P0135



HO2S Heater Performance (Bank 1 Sensor 1)

Possible Causes:



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

Trouble Code: P0137



HO2S Circuit Low Voltage (Bank 1 Sensor 2)

Possible Causes:



HO2S low reference circuit for an open/high resistance
 
HO2S signal circuit for a short to ground
 
HO2S signal circuit for a short to voltage
 
HO2S signal circuit for an open/high resistance
 
HO2S has failed
 
ECM has failed
 

Trouble Code: P0138



HO2S Circuit High Voltage (Bank 1 Sensor 2)

Possible Causes:



HO2S low reference circuit for an open/high resistance
 
HO2S signal circuit for a short to ground
 
HO2S signal circuit for a short to voltage
 
HO2S signal circuit for an open/high resistance
 
HO2S has failed
 
ECM has failed
 

 
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