Blown 10A fuses or faulty relays in the fuse panel can cut power to the pump or sensor. Troubleshooting and Resolution Steps To resolve an E890 code, follow these steps in order:
The best cure is prevention. Implement these practices to never see E890 again: cat fault code e890
Caterpillar fault code E890 indicates that the Autolube System Cannot Operate Blown 10A fuses or faulty relays in the
: Use a tool like Caterpillar Electronic Technician (ET) to monitor the proximity sensor's status while the system is running. cat fault code e890