ELECTRONICS GP-MONITOR 4827035 - Caterpillar

Probable Causes
Selected engine rating parameters
Cold Mode
Active engine derate
Electrical connections to the ECM
Throttle signal
Circuit for electronic unit injectors
Fuel supply
Boost pressure sensor
Air inlet and exhaust systemRecommended Actions
Note: If the problem only occurs under certain conditions, test the engine under those conditions. Examples of certain conditions are high rpm, full load and engine operating temperature. Troubleshooting the symptoms under other conditions can give misleading results.Selected Engine Rating Parameters
Verify that the complaint is not due to a normal operation such as a programmed parameter. Connect the electronic service tool and verify that the parameters are programmed correctly.Verify that the injector codes have been programmed.Cold Mode
Use the electronic service tool to verify that the engine has exited Cold Mode. Cold Mode operation may cause the engine to run rough and engine power may be limited.
Observe the status of the coolant temperature