Detailed guide for SPN 2799 FMI 5
Back to top ↑Current low usually means the motor is not being fed properly.\n\nProve power and ground before buying a pump.
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Share ↓SPN 2799 FMI 5Severity: Warning
SPN 2799 FMI 5: DEF pump motor current low / open circuit
Quick Answer
DEF pump motor current low / open circuit
Code
SPN 2799 FMI 5
Severity
Warning
Applies to
Check OEM application
Can I drive?
Driving suitability is not established by this code alone.
Common Symptoms
- DEF pump fault
- SCR warnings
- May escalate to inducement
Likely Causes
- Open circuit wiring
- Bad relay/fuse
- Pump motor failure
Common Fixes
- Check fuse/relay and power feed
- Load-test ground
- Replace pump only after wiring checks
Full technical sections↓
What does SPN 2799 FMI 5 mean?
Back to top ↑DEF pump motor current low / open circuit
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