Caterpillar Fault Code
Free · no signup036-0110-03
Engine triggers high-temp warning and power derate. Possible shutdown.
System
Not specified
Symptom
Engine triggers high-temp warning and power derate. Possible shutdown.
Diagnosis & fix steps
ACTION: 1. Check coolant level.
2. Unplug sensor; if code stays FMI 03, signal wire is shorted.
3. Inspect Wire 110 (White).
Red Seal field insights
If the engine isn't actually hot, check the ground wire (Pink 496). A loose ground here often makes the ECM think the temperature is "maxed out."
Track this across your whole fleet
This code is free to read. AM Fleet Integrity lets your team log fault codes against assets, plus the full fault-code library, QR operator reporting, PM scheduling and predictive alerts. Start free — no credit card required.
Start your free trial