Safe to driveUntil the next service
SPN 4013 is a manufacturer number outside the standard J1939 table: different makes can put different things under it. Below — how it is worded by Renault Trucks, and what the second half of the code (FMI) means.
| FMI 7 | Cooling circuit temperature sensor, short circuit. Repair: Check the temperature sensor (0-100 kOhm), check the wiring between the unit and the component (9, 37), check the control unit. |
| FMI 10 | Cooling circuit temperature sensor, open circuit. Repair: Check the temperature sensor (0-100 kOhm), check the wiring between the unit and the component (9, 37), check the control unit. |
| SPN 4013 FMI 74013/7 · 4013.7 | mechanical system not responding |
| SPN 4013 FMI 104013/10 · 4013.10 | abnormal rate of change |
Safe to drive. Below — how much time you have and what happens if you keep going.
A standalone fault with no immediate consequences for driving.
Show the codes at the next service. If a second code from the same system appears, stop putting it off.
Scanner threw several codes at once? Paste the whole list — we will show which one is the root cause and which ones simply followed.