Safe to driveDrivable, but watch it yourself
J1939 code SPN 882. Below — how the fault is worded at the factory by International, and what the second half of the code (FMI) means in the standard.
| FMI 5 | Tail Lamp/License Plate Lamp Circuit (Brown) — Trailer License Plate Lamp Relay Under Current Or Open Circuit |
| FMI 6 | Tail Lamp/License Plate Lamp Circuit (Brown) — Trailer License Plate Lamp Relay Over Current |
| SPN 882 FMI 5882/5 · 882.5 | current below normal or open circuit |
| SPN 882 FMI 6882/6 · 882.6 | current above normal or grounded circuit |
Safe to drive. Below — how much time you have and what happens if you keep going.
This is an electrical fault: an open, a short or a bad contact in the sensor circuit. The value it measures is most likely fine.
You can drive. But until the circuit is repaired this system runs blind and cannot warn you about a real failure.
Scanner threw several codes at once? Paste the whole list — we will show which one is the root cause and which ones simply followed.