FMI 5 — Current below normal or open circuit
Less current is flowing in an output or sensor circuit than expected, which usually means the circuit is open.
What it typically points to
Broken wire, unplugged connector, burned-out coil or solenoid, or a backed-out terminal.
Codes with FMI 5
- SPN 636 FMI 5Engine Position Sensor (Camshaft)
- SPN 637 FMI 5Engine Timing Sensor (Crankshaft)
- SPN 651 FMI 5Injector Cylinder #01
- SPN 2791 FMI 5EGR Valve Control