GrandPrix, Impala 2006-2008, Monte Carlo 2006-2007

5.3L V8 VIN C Auto 1

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5.3L V8 VIN C Auto

Trouble Code: P0008



Engine Position System Performance (Bank 1)

Possible Causes:



Timing chains and tensioners for excessive wear or misalignment
 
Crankshaft reluctor wheel for being mis-positioned
 

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



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



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



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: 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: P0305



Cylinder 5 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 5
 
Fuel delivery component fault that affects only Cylinder 5 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil, plug) that affects only Cylinder 5
 

Trouble Code: P0306



Cylinder 6 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 6
 
Fuel delivery component fault that affects only Cylinder 6 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil, plug) that affects only Cylinder 6
 

Trouble Code: P0307



Cylinder 7 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 7
 
Fuel delivery component fault that affects only Cylinder 7 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil, plug) that affects only Cylinder 7
 

Trouble Code: P0308



Cylinder 8 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 8
 
Fuel delivery component fault that affects only Cylinder 8 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil, plug) that affects only Cylinder 8
 

Trouble Code: P0313



Misfire Detected With Low Fuel Level

Possible Causes:



Damaged reluctor wheel
 
Damaged accessory drive component or belt
 
Certain rough road conditions
 
Variable thickness brake rotors
 
Tire or wheel that is out of round or out of balance
 
Engine vacuum leaks
 
Fuel pressure that is too low or too high
 
Contaminated fuel
 
Restricted exhaust system
 

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 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 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: P0355



Ignition Coil 5 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: P0356



Ignition Coil 6 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: P0357



Ignition Coil 7 Control Circuit

Possible Causes:



Ignition coil
 
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: P0601



Control Module Torque Performance

Possible Causes:



Voltage and ground inputs to the ECM
 
High resistance, short or open condition to the ECM
 
ECM is not properly programmed
 
ECM has failed
 

Trouble Code: P0602



Control Module Long Term Memory Reset

Possible Causes:



Check the voltage and ground inputs to the ECM for a, short, open or high resistance
 
ECM has failed
 

Trouble Code: P0603



Control Module Random Access Memory (RAM)

Possible Causes:



Check the voltage and ground inputs to the ECM for a, short, open or high resistance
 
ECM has failed
 

Trouble Code: P0604



Control Module Programming Read Only Memory (ROM)

Possible Causes:



The ECM must be replaced to correct this problem. A new ECM must be programmed with the correct software/calibration.
 

Trouble Code: P0606



Control Module Performance

Possible Causes:



Check the voltage and ground inputs to the ECM for a, short, open or high resistance
 
ECM has failed
 

Trouble Code: P0607



Vehicle Speed Output Circuit Malfunction

Possible Causes:



VSS output signal circuit is open, shorted to ground or to power
 
VSS output signal problem related to the Instrument Cluster or the Electronic Suspension Control Module (internal problem)
 
ECM has failed
 

Trouble Code: P060D



Control Module Vehicle Options Incorrect

Possible Causes:



ECM is not properly programmed
 
ECM has failed
 

Trouble Code: P062F



Throttle Actuator Control (TAC) Command Performance

Possible Causes:



Throttle blade that is not in the rest position
 
Throttle valve that is binding open or closed
 
Throttle valve that opens or closes without spring pressure
 
Throttle body has failed
 
ECM has failed
 

Trouble Code: P0642



5-Volt Reference 1 Circuit High Voltage

Possible Causes:



5v VREF circuit is shorted to chassis or sensor ground
 
5v VREF circuit to FTP. CMP IMTV or TP sensor circuit is shorted to (B+)
 
Component failure
 
ECM has failed
 

Trouble Code: P0643



Air Conditioning Clutch Relay Control Circuit Malfunction

Possible Causes:



A/C relay control circuit is open, shorted to ground or to power
 
A/C relay power circuit is open (test the A/C CRUISE mini fuse)
 
A/C relay is damaged or has failed
 
ECM has failed
 

Trouble Code: P0650



5-Volt Reference 2 Circuit

Possible Causes:



5v VREF circuit is shorted to chassis or sensor ground
 
5v VREF circuit to APP. CKP, and CMP brake booster vacuum sensor circuit is shorted to (B+)
 
ECM has failed
 

Trouble Code: P06A6



Transmission Control Module (TCM) Requested MIL Illumination

Possible Causes:



MIL control circuit is shorted to ground
 
Check the TCM for any trouble codes in memory that are responsible for the request to turn on the MIL
 
TCM has failed
 

 
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