Do not driveTo the nearest safe stop
J1939 code SPN 3413. Below — how the fault is worded at the factory by MAZ and YaMZ, and what the second half of the code (FMI) means in the standard.
| FMI 1 | Door open sensor error - Sensor stuck open. Blink code: 1-2-6. Power will be reduced. Repair: Check the sensor and its wiring. |
| FMI 2 | Door open sensor error - Sensor stuck closed. Blink code: 1-2-6. Power will be reduced. Repair: Check the sensor and its wiring. |
| FMI 1 | Door open sensor fault (Sensor stuck open). Blink code: 1-2-6. Power will be reduced. Repair: Check the sensor and its wiring. |
| FMI 2 | Door open sensor fault (Sensor stuck closed). Blink code: 1-2-6. Power will be reduced. Repair: Check the sensor and its wiring. |
| SPN 3413 FMI 13413/1 · 3413.1 | data below normal range (most severe level) |
| SPN 3413 FMI 23413/2 · 3413.2 | data erratic or intermittent |
Do not drive. Stop as soon as it’s safe to do so — don’t keep going.
The code is flagged critical: the manufacturer considers it unsafe to keep driving without checking.
This code alone cannot say what will fail next, so stop at the first safe opportunity and look at it on the spot.
That said, the manufacturer flags this code as critical — if in doubt, it is safer to stop and check on the spot.
Scanner threw several codes at once? Paste the whole list — we will show which one is the root cause and which ones simply followed.