Safe to driveUntil the next service
J1939 code SPN 1048. Below — how the fault is worded at the factory by Renault Trucks, and what the second half of the code (FMI) means in the standard.
| FMI 7 | Front circuit pneumatic fault or module internal fault. Repair: Check the module inlet and outlet for air leaks. Check the air lines for contamination and kinks. Check the exhaust at the valve and at the module with a PC. Check the minimum pressure switches. |
| SPN 1048 FMI 71048/7 · 1048.7 | mechanical system not responding |
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.