Case Fault Code
Free · no signup9101
Limp Mode.
System
Not specified
Symptom
Limp Mode.
Diagnosis & fix steps
LOGIC: Fuel Rail Pressure deviation.
ACTION: Replace fuel filters; check the electric priming pump for restricted flow.
Red Seal field insights
Pro-Tip: Small Case minis often use Yanmar engines. The fuel tank is small and prone to condensation. If you see this code, drain the tank sump—water is likely at the bottom.
Same code keeps coming back?
That's a program problem, not a part problem. Book a 30-minute uptime review with Grant, a Red Seal Heavy Duty Technician.
Read before you touch anything
- This is general reference information, not a repair manual. It is for trained, qualified technicians.
- Fault codes, meanings and procedures vary by model, serial number and software version. Confirm the code and the procedure against the manufacturer's service manual before acting.
- Follow the OEM service manual, torque specs and your site's safety procedures: lockout/tagout, block raised equipment, relieve hydraulic, fuel and air pressure, and let hot systems cool.
- You use this information at your own risk. Adventure Mechanical and AM Fleet Integrity accept no liability for damage, injury, downtime or loss arising from its use.
- Not affiliated with or endorsed by any manufacturer. Brand names are used only to identify the equipment a code applies to.
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