SPN 204 — CAN fault (cab lever message) (Renault Trucks)

Safe to driveDrivable, but watch it yourself

SPN 204 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.

Renault Trucks

FMI 4

CAN fault (cab lever message). Repair: Test the joystick. Run the diagnostic check of the VECU. Clear the fault codes, take a test drive to confirm the fault and check the joystick again afterwards.

What FMI means in J1939

SPN 204 FMI 4204/4 · 204.4

voltage below normal or shorted to ground

Can I keep driving

Safe to drive. Below — how much time you have and what happens if you keep going.

What happens if you keep driving

Time you have: Drivable, but watch it yourself

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.

Nearby: other

• SPN 198Relative wheel speed signal fault
• SPN 199CAN fault (EBS/ABS message)
• SPN 200CAN fault (PTO-V, vehicle message)
• SPN 201PTO-V activation fault
• SPN 202PTO-V activation fault
• SPN 205Lever position fault
• SPN 206Lever position fault
• SPN 210Tachograph CAN fault
• SPN 220
• SPN 227Astronic control unit fault

Scanner threw several codes at once? Paste the whole list — we will show which one is the root cause and which ones simply followed.