21732658 Volvo.Penta Rocker arm

Table 1
Diagnostic Trouble Codes
J1939 Code CDL Code Code Description Comments
651-2 1-2 Cylinder #1 Injector : Erratic, Intermittent, or Incorrect The code is logged.
The engine Electronic Control Module (ECM) receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
651-5 1-5 Cylinder #1 Injector : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
651-6 1-6 Cylinder #1 Injector : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
651-7 1-7 Cylinder #1 Injector : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
652-2 2-2 Cylinder #2 Injector : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
652-5 2-5 Cylinder #2 Injector : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
652-6 2-6 Cylinder #2 Injector : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
652-7 2-7 Cylinder #2 Injector : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
653-2 3-2 Cylinder #3 Injector : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
653-5 3-5 Cylinder #3 Injector : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
653-6 3-6 Cylinder #3 Injector : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
653-7 3-7 Cylinder #3 Injector : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
654-2 4-2 Cylinder #4 Injector : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
654-5 4-5 Cylinder #4 Injector : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
654-6 4-6 Cylinder #4 Injector : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
654-7 4-7 Cylinder #4 Injector : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
655-2 5-2 Cylinder #5 Injector : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
655-5 5-5 Cylinder #5 Injector : Current Below Normal The code is logged.
The ECM detects an open circuit.
The ECM continues the attempt to energize the solenoid circuit until the circuit is repaired.
655-6 5-6 Cylinder #5 Injector : Current Above Normal The code is logged.
The ECM detects a short circuit. The ECM will disable the solenoid circuit in order to prevent damage to the circuit.
The ECM disables this solenoid circuit. The ECM will periodically attempt to energize the solenoid circuit until the circuit is repaired.
655-7 5-7 Cylinder #5 Injector : Not Responding Properly The code is logged.
The ECM has determined that the mechanical wear for the injector is out of specifications.
The ECM continues to energize the injector solenoid.
656-2 6-2 Cylinder #6 Injector : Erratic, Intermittent, or Incorrect The code is logged.
The engine ECM receives a signal from the injector solenoid that is invalid. Or, the ECM receives a signal from the injector solenoid that cannot be accurately interpreted.
The ECM continues to energize the injector solenoid.
656-5 6-5 Cylinder #6 Injector : Current Below Normal The code is