SPN 810 — Speed Signal Input

Safe to driveUntil the next service

J1939 code SPN 810. Below — how the fault is worded at the factory by Bendix ABS/ESP, Meritor (ex-WABCO), Renault Trucks and WABCO ABS/ESC, and what the second half of the code (FMI) means in the standard.

Bendix ABS/ESPMeritor (ex-WABCO)Renault TrucksWABCO ABS/ESC

Bendix ABS/ESP

FMI 7

Wheel Speed Sensors Reversed on an Axle

Meritor (ex-WABCO)

FMI 2

Check between Speedometer Signal and ABS Speed

Renault Trucks

FMI 7

Speed sensor fault recorded at the last ignition-on. Repair: Accelerate to above 20 km/h. The fault should clear once the speed sensor problem is fixed. Check the previously logged fault codes and carry out the necessary repairs. Perform the checks at a speed above 20 km/h.

WABCO ABS/ESC

FMI 8	Tire size broadcast error
FMI 14	ABS Complete Shut-off

What FMI means in J1939

SPN 810 FMI 2810/2 · 810.2	data erratic or intermittent
SPN 810 FMI 7810/7 · 810.7	mechanical system not responding
SPN 810 FMI 8810/8 · 810.8	abnormal frequency or pulse width
SPN 810 FMI 14810/14 · 810.14	manufacturer-specific instructions

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: Until the next service

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.

Nearby: other

• SPN 732Gas Metering Valve
• SPN 746Differential Lock Solenoid Valve #1
• SPN 776Torque Converter Disconnect Actuator
• SPN 806ASR Valve, Differential 1
• SPN 807ASR Valve, Differential 2
• SPN 811Warning Lamp
• SPN 871Refrigerant Charge
• SPN 876Compressor Clutch Circuit
• SPN 878Marker, Side, And Identification Lamps Circuit
• SPN 879Left Turn Signal Circuit

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