Silverado 2008

6.0L V8 VIN Y Auto 12

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Trouble Code: P0181



Fuel Temperature Sensor Performance

Possible Causes:



The fuel temperature and the IAT Sensor 1 are more than 100°C (180°F) of each other at start-up.
 
OR
 
The fuel temperature and the IAT Sensor 1 are more than 10°C (18°F) of each other at start-up.
 
AND
 
The IAT has not dropped more than 2.5°C (4.5°F) after running more than 6 minutes above 24 km/h (15 mph).
 

Trouble Code: P0182



Fuel Temperature Sensor Circuit Low Voltage

Possible Causes:



P0182
 
The fuel temperature sensor is more than 120°C (248°F) for 1 second.
 

Trouble Code: P0183



Fuel Temperature Sensor Circuit High Voltage

Possible Causes:



P0183
 
The fuel temperature sensor is less than -38°C (-38.4°F) for 1 second.
 

Trouble Code: P0191



Fuel Rail Pressure (FRP) Sensor Performance

Possible Causes:



The FPCM does not detect a change in the fuel rail pressure (FRP) of at least 30 kPa (4.4 psi) when the fuel pump is operating. The fuel rail pressure sensor performance diagnostic provides a means to detect fuel pressure sensor output that is stuck within the normal operating range of the sensor.
 

Trouble Code: P0191



Fuel Rail Pressure (FRP) Sensor Performance

Possible Causes:



The FRP sensor is below 0.352 volt or above 0.650 volt within the Conditions for Running the DTC.
 

Trouble Code: P0192



Fuel Rail Pressure (FRP) Sensor Circuit Low Voltage

Possible Causes:



P0192
 
The ECM detects the signal circuit voltage that is less than 0.254 volts for more than one second.
 

Trouble Code: P0193



Fuel Rail Pressure (FRP) Sensor Circuit High Voltage

Possible Causes:



P0193
 
The ECM detects that the signal circuit voltage is more than 4.75 volts for more than one second.
 

Trouble Code: P0201



Injector 1 Control Circuit

Possible Causes:



The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.
 

Trouble Code: P0202



Injector 2 Control Circuit

Possible Causes:



The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.
 

Trouble Code: P0203



Injector 3 Control Circuit

Possible Causes:



The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.
 

Trouble Code: P0204



Injector 4 Control Circuit

Possible Causes:



The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.
 

Trouble Code: P0205



Injector 5 Control Circuit

Possible Causes:



The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.
 

Trouble Code: P0206



Injector 6 Control Circuit

Possible Causes:



The ECM detects that the commanded state of the driver and the actual state of the control circuit do not match for greater than 2 s.
 

Trouble Code: P0218



Transmission Fluid Overtemperature

Possible Causes:



The transmission fluid temperature is 136°C (277°F) or greater for 60 seconds.
 

Trouble Code: P0218



Transmission Fluid Overtemperature

Possible Causes:



The TFT is greater than 132°C (270°F) for 1 minute.
 

Trouble Code: P0220



Throttle Position (TP) Sensor 2 Circuit

Possible Causes:



P0220
 
The TP sensor 2 voltage is less than 0.25 V or greater than 4.59 V for greater than 1 s.
 

Trouble Code: P0222



Throttle Position (TP) Sensor 2 Circuit Low Voltage

Possible Causes:



P0222
 
The ECM detects that the TP sensor 2 voltage is less than 0.25 V for greater than 1 s.
 

Trouble Code: P0223



Throttle Position (TP) Sensor 2 Circuit High Voltage

Possible Causes:



P0223
 
The ECM detects that the TP sensor 2 voltage is greater than 4.59 V for greater than 1 s.
 

Trouble Code: P0231



Fuel Pump Control Circuit Low Voltage

Possible Causes:



The FPCM detects a fault on the fuel pump voltage circuit that is above or below a predetermined voltage threshold.
 

Trouble Code: P0234



Turbocharger Engine Overboost

Possible Causes:



The ECM detects that the measured boost pressure is greater than 39 kPa above the expected range for 10 seconds.
 

Trouble Code: P023F



Fuel Pump Control Circuit

Possible Causes:



The FPCM detects a fault on the fuel pump voltage circuit that is above or below a predetermined voltage threshold.
 

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: P0273



Injector 5 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: P0274



Injector 6 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: P0276



Injector 6 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: P0299



Turbocharger Engine Underboost

Possible Causes:



The measured MAP pressure is more than 39 kPa below the expected range for 10 seconds.
 

Trouble Code: P029D



Injector 1 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02A1



Injector 2 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02A5



Injector 3 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02A9



Injector 4 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02AD



Injector 6 Leak

Possible Causes:



Test or replace the appropriate fuel injector
 

Trouble Code: P02B1



Injector 6 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02B5



Injector 7 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02B9



Injector 8 Leak

Possible Causes:



The fuel balancing rate for a cylinder is less than -7.0 mm-;.
 

Trouble Code: P02E0



Diesel Intake Air (IA) Flow Control Circuit

Possible Causes:



The IA valve duty cycle is greater than 10 percent.
 
The IA valve control circuit is less than 25 mA.
 

Trouble Code: P02E7



Diesel Intake Air (IA) Flow Position Sensor Performance

Possible Causes:



The difference between the desired IA Valve position and the actual IA Valve position is more than 3 percent for 10 seconds.
 

Trouble Code: P02E8



Diesel Intake Air (IA) Flow Position Sensor Circuit Low Voltage

Possible Causes:



P02E8
 
The IAF valve position is less than 0.102 volt for 3 seconds.
 

Trouble Code: P02E9



Diesel Intake Air (IA) Flow Position Sensor Circuit High Voltage

Possible Causes:



P02E9
 
The IAF valve position is greater than 4.75 volts for 3 seconds.
 

Trouble Code: P0300



Engine Misfire Detected

Possible Causes:



DTC P0300
 
The ECM is detecting a crankshaft speed change indicating a random misfire is occurring that exceeds mandated emission level standards or is at catalytic converter damaging levels.
 

Trouble Code: P0300



Engine Misfire Detected

Possible Causes:



The ECM is detecting a crankshaft rotation speed variation indicating a misfire sufficient to cause emission or catalytic converter damaging levels to exceed mandated standards.
 

 
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