CAT
CAT 3126B Fault Code: 4-11 PID: Flash Code 73 SPN: 654 FMI: 11 Cylinder #4 Injector current fault
Posted by Diezel Solutions on
The Engine Control Module (ECM) detects one of the following items after attempting to operate the injector: •A low current condition (open circuit) exists in the wiring for the cylinder injector solenoid.•A high current condition (short circuit) exists in the injector solenoid. Probable Causes: 1) ECM Connection/Harness2) Cylinder injector failure3) Injector solenoid failure4) Harness from ECM to valve cover connector5) ECM failure6) Injector harness under valve cover
CAT 3126B Fault Code: 41-03 PID: Flash Code 21 SPN: 678 FMI: 3 8 Volt Supply Above Normal
Posted by Diezel Solutions on
The ECM is not receiving a correct throttle signal
CAT 3126B Fault Code: 41-04 PID: Flash Code 21 SPN: 678 FMI: 4 8 Volt Supply Below Normal
Posted by Diezel Solutions on
The throttle signal is less than 5% or more than 95%
CAT 3126B Fault Code: 43-02 PID: Flash Code 71 SPN: FMI: Key Switch Fault
Posted by Diezel Solutions on
The Engine Control Module (ECM) detects that the keyswitch was cycled at least three times within one second. This indicates that the battery circuit to the keyswitch has an intermittent condition or a low battery condition while the engine is running. Note: This code can be generated by rapidly cycling the keyswitch. Some control modules on the vehicle require this action in order to prompt flash codes. If this occurs, clear the logged diagnostic codes in order to prevent future confusion or an incorrect diagnosis. Note: This code can also be generated when there is an attempt to restart the...
CAT 3126B Fault Code: 5-11 PID: Flash Code 74 SPN: 655 FMI: 11 Cylinder #5 Injector current fault
Posted by Diezel Solutions on
The Engine Control Module (ECM) detects one of the following items after attempting to operate the injector: •A low current condition (open circuit) exists in the wiring for the cylinder injector solenoid.•A high current condition (short circuit) exists in the injector solenoid. Probable Causes: 1) ECM Connection/Harness2) Cylinder injector failure3) Injector solenoid failure4) Harness from ECM to valve cover connector5) ECM failure6) Injector harness under valve cover