Safe to driveUntil the next service
J1939 code SPN 1592. Below — how the fault is worded at the factory by Mercedes-Benz and SITRAK, and what the second half of the code (FMI) means in the standard.
| FMI 9 | J1939 HRW Message from ABS is missing (HRW not received in case newAMT Transmission used) |
| FMI 13 | J1939 HRW Wheel Speed Signal Missing (HRW received but at least one signal not available) |
| FMI 12 | Timeout of the HRWS CAN frame. Effect: Loss of communication with the modules, some functions are disabled. |
| SPN 1592 FMI 91592/9 · 1592.9 | abnormal update rate |
| SPN 1592 FMI 121592/12 · 1592.12 | faulty device or component |
| SPN 1592 FMI 131592/13 · 1592.13 | 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.