Safe to driveDrivable, but watch it yourself
SPN 139532 is a manufacturer number outside the standard J1939 table: different makes can put different things under it. Below — how it is worded by Iveco, and what the second half of the code (FMI) means.
| FMI 2 | Body control bus CAN fault |
| FMI 5 | Trailer left turn signal lights |
| SPN 139532 FMI 2139532/2 · 139532.2 | data erratic or intermittent |
| SPN 139532 FMI 5139532/5 · 139532.5 | current below normal or open 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.