Silverado 2008

6.0L V8 VIN Y Auto 15

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Trouble Code: P0562



System Voltage Low - FPCM

Possible Causes:



The FPCM detects that the battery voltage is less than 9 V.
 

Trouble Code: P0562



System Voltage Low

Possible Causes:



P0562
 
The TCM detects system voltage is 11 volts or less for 10 seconds.
 

Trouble Code: P0562



System Voltage Low

Possible Causes:



DTC P0562
 
The TCM detects system voltage is 11 volts or less for 4 seconds.
 

Trouble Code: P0563



System Voltage High - FPCM

Possible Causes:



The FPCM detects that the system voltage is greater than 17.5 V.
 

Trouble Code: P0563



System Voltage High

Possible Causes:



P0563
 
The TCM detects system voltage is 18 volts or greater for 10 seconds.
 

Trouble Code: P0563



System Voltage High

Possible Causes:



DTC P0563
 
The TCM detects system voltage is 18 volts or greater for 10 seconds.
 

Trouble Code: P0571



Cruise Control Brake Switch Circuit

Possible Causes:



The ECM detects a low voltage signal on the brake switch signal circuit when the serial data message from the BCM indicates the brakes are applied.
 

Trouble Code: P0572



Brake Switch Circuit 1 Low Voltage

Possible Causes:



P0572
 
The ECM detects a low voltage signal on the stop lamp switch signal circuit for more than 2 seconds when the serial data message from the BCM indicates the brakes are applied. The ECM sets the DTC when the condition has been detected 8 out of 10 times.
 

Trouble Code: P0573



Brake Switch Circuit 1 High Voltage

Possible Causes:



P0573
 
The ECM detects a high voltage signal on the stop lamp switch signal circuit for more than 2 seconds when the serial data message from the BCM indicates the brakes are released. The ECM sets the DTC when the condition has been detected 8 out of 10 times.
 

Trouble Code: P0575



Cruise Control Switch Signal Circuit

Possible Causes:



The ECM receives an invalid cruise control switch status serial data message from the BCM.
 
This diagnostic runs continuously.
 

Trouble Code: P0601



Transmission Control Module (TCM) Read Only Memory (ROM)

Possible Causes:



The TCM has detected an internal malfunction.
 

Trouble Code: P0601



Transmission Control Module (TCM) Read Only Memory (ROM)

Possible Causes:



The control solenoid (w/body and TCM) valve assembly has detected an internal malfunction.
 

Trouble Code: P0602



Control Module Not Programmed

Possible Causes:



P0602
 
The ECM has not been programmed at Key On and Engine Off for 0.1 second.
 
This diagnostic runs continuously.
 

Trouble Code: P0602



Transmission Control Module (TCM) Not Programmed

Possible Causes:



The TCM has detected an internal malfunction.
 

Trouble Code: P0602



Transmission Control Module (TCM) Not Programmed

Possible Causes:



The control solenoid (w/body and TCM) valve assembly has detected an internal malfunction.
 

Trouble Code: P0602



Transmission Control Module (TCM) Not Programmed

Possible Causes:



DTC P0602 sets if the TCM determines the present calibration is invalid.
 

Trouble Code: P0603



Transmission Control Module (TCM) Long Term Memory Reset

Possible Causes:



The TCM has detected an internal malfunction.
 

Trouble Code: P0603



Transmission Control Module (TCM) Long Term Memory Reset

Possible Causes:



The control solenoid (w/body and TCM) valve assembly has detected an internal malfunction.
 

Trouble Code: P0604



Transmission Control Module (TCM) Random Access Memory (RAM)

Possible Causes:



The TCM has detected an internal malfunction.
 

Trouble Code: P0604



Transmission Control Module (TCM) Random Access Memory (RAM)

Possible Causes:



The control solenoid (w/body and TCM) valve assembly has detected an internal malfunction.
 

Trouble Code: P0606



Control Module Internal Performance

Possible Causes:



P0606
 
The ECM detects a microprocessor undervoltage or overvoltage condition.
 
OR
 
The ECM detects an internal bus communication error.
 
OR
 
The ECM detects an internal clock error.
 
OR
 
The ECM detects an internal injector control error.
 
All tests run in less than 1 second.
 
This DTC runs continuously.
 

Trouble Code: P060B



Control Module Analog to Digital Performance

Possible Causes:



P060B
 
The ECM detects an incorrect internal analog/digital (A/D) signal for less than 1 second.
 
This DTC runs continuously.
 

Trouble Code: P0613



Transmission Control Module (TCM) Processor

Possible Causes:



DTC P0613 sets if the TCM does not complete two processing loops within the allotted time.
 

Trouble Code: P0615



Starter Relay Control Circuit

Possible Causes:



The control circuit of the STRTR relay is shorted to ground for 2 seconds.
 

Trouble Code: P0615



Starter Relay Control Circuit

Possible Causes:



The control circuit of the STRTR relay is open or shorted to voltage for 2 seconds when the ignition switch is in the ON position.
 
The control circuit of the STRTR relay is shorted to ground for 5 seconds when the ignition switch is in the start position.
 

Trouble Code: P061C



Control Module Engine Speed Performance

Possible Causes:



P061C
 
The ECM detects that there is a difference between the CKP engine speed and the calculated engine speed of more than 320 RPM for less than 1 second.
 
This diagnostic runs continuously.
 

Trouble Code: P061C



Control Module Engine Speed Performance

Possible Causes:



The PTOM detects that the requested RPM and the actual engine RPM do not match.
 
The above condition is present for greater than a predetermined time threshold.
 

Trouble Code: P0622



Generator F-Terminal Circuit

Possible Causes:



The GEN F-Terminal Signal is greater than 65 percent for 20 seconds.
 

Trouble Code: P0622



Generator F-Terminal Circuit

Possible Causes:



The GEN F-Terminal Signal is less than 5 percent for 30 seconds.
 

Trouble Code: P062C



Control Module Vehicle Speed Performance

Possible Causes:



P062C
 
The ECM detects a fault in the ship that calculates redundant vehicle speed for more than 1 second.
 
This DTC runs continuously.
 

Trouble Code: P062F



Control Module Long Term Memory Performance

Possible Causes:



P062F
 
The ECM did not complete the last electronic erasable programmable read only memory (EEPROM) write event during the last ECM power down.
 
This diagnostic runs once per ignition cycle at power up.
 

Trouble Code: P062F



Transmission Control Module (TCM) Long Term Memory Performance

Possible Causes:



The TCM has detected an internal malfunction.
 

Trouble Code: P0634



Transmission Control Module (TCM) Overtemperature

Possible Causes:



The TCM has detected an internal overtemperature condition greater than 141°C (286°F) for 10 seconds.
 

Trouble Code: P0634



Transmission Control Module (TCM) Internal Temperature Too High

Possible Causes:



DTC P0634 sets if the TCM internal temperature is greater than or equal to 140°C (284°F) for 10 seconds with the engine running.
 

Trouble Code: P0640



Intake Air (IA) Heater Control Circuit

Possible Causes:



The digital response signal is high and the command 2 signal is activated.
 

Trouble Code: P0641



5-Volt Reference 1 Circuit

Possible Causes:



The ECM detects a voltage out of tolerance condition on the 5-volt reference 1 or 2 bus for more than 0.5 second.
 

Trouble Code: P0641



5-Volt Reference Circuit

Possible Causes:



The PTO module detects that the 5-volt reference of the PTO switch is above or below a predetermined voltage threshold.
 

Trouble Code: P0642



5-Volt Reference 1 Circuit Low Voltage

Possible Causes:



P0642
 
The ECM detects the 5-volt reference 1 circuit voltage is less than 4.7 volts.
 
The above condition is present for 2 seconds.
 

Trouble Code: P0643



5-Volt Reference 1 Circuit High Voltage

Possible Causes:



P0643
 
The ECM detects the 5-volt reference 1 circuit voltage is more than 5.2 volts.
 
The above condition is present for 2 seconds.
 

Trouble Code: P064C



Glow Plug Module Control Performance

Possible Causes:



The GPCM detects a variation between the main battery supply to the GPCM and battery supply to the ECM, or an internal condition for 3 second.
 

 
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