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Safe Engine Cut-Off (SECO)

SECO allows remote disabling of a vehicle engine through the XP1 output.

caution

Always test SECO in a controlled, stationary environment before deploying on a live vehicle.

Requirements​

  • XP1 output wired to vehicle relay in ignition circuit
  • See Installation for wiring diagrams

Signals​

SignalDescription
G00SECO armed, waiting for safe condition
G01SECO active, engine cut-off engaged
G02SECO canceled before activation

Monitoring SECO Events​

# Report when SECO is armed
>SED60NA0;G00+<

# Report when engine cut-off is engaged
>SED61NA0;G01+<

# Report when engine cut-off is released
>SED62NA0;G02+<

Notes​

  • SECO waits for vehicle speed < 10 mph for 20 seconds before activating.
  • The relay remains in cut position across power cycles until explicitly restored.

Download Configuration Script​

Download this scenario script: seco.tmf