SHAFT 1V8023 - Caterpillar

CID 1684 FMI 02Conditions Which Generate This Code:This diagnostic code is generated by the fuel injection pump.The fuel injection pump will detect the following condition:
An internal failure of the fuel injection pump software.System Response:The Electronic Control Module (ECM) will log the diagnostic code. The diagnostic code may be viewed on the electronic service tool.The ECM will not allow the engine to start while the diagnostic code is active.If the engine is running and the diagnostic code becomes active, the ECM will cause the engine to shutdown.Possible Performance Effect:The ECM will cause the engine to shutdown.The engine will not start while the diagnostic code is active.Troubleshooting:Test Step 1. Contact the Caterpillar Dealer Solution Network in order to check if the software version is correct. Also check that there have been no software updates.If the fault persists, contact the Caterpillar Dealer Solution Network in order to change the fuel injection pump. The warranty of the fuel injection pump will be affected if the pump is replaced without prior consultation.Replace the fuel injection pump. Refer to Disassembly and Assembly, "Fuel Injection Pump - Remove" and Disassembly and Assembly, "Fuel Injection Pump - Install".Check that the fault has been eliminated.Results:
OK - STOP