Safe to driveUntil the next service
J1939 code SPN 602. Below — how the fault is worded at the factory by Mercedes-Benz, and what the second half of the code (FMI) means in the standard.
| FMI 13 | J1939 Cruise Control Accelerator Switch Signal from Source CCVS1, CCVS2 or CCVS3 = SNA (signal not available) |
| SPN 602 FMI 13602/13 · 602.13 | calibration out of range |
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.