Safe to driveUntil the next service
SPN 520510 is a manufacturer number outside the standard J1939 table: different makes can put different things under it. Below — how it is worded by International, Meritor (ex-WABCO) and SITRAK, and what the second half of the code (FMI) means.
InternationalMeritor (ex-WABCO)SITRAK
| FMI 2 | RPM 4 Channel 4 Cab Switch — RPM 4 Channel 4 Switch Error |
| FMI 7 | Wheel Speed Permanent Slip Failure at Axle 5 Right |
| FMI 9 | Wheel Speed Jump Down Detection at Axle 5 Right |
| FMI 13 | Impermissable Tire Size Detected at Axle 5 Right |
| FMI 14 | Impermissable Deviation of Tire Size Detected at Axle 5 Right |
| FMI 2 | EGR valve blocked: driver inducement warning. Scan tool code: P106A. Effect: Torque may be limited. |
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.