DTC B1718[49] Anti-theft System Indicator Light Output Circuit Internal Electronic Failure (BCM)

1. DTC B1718[49] description

After the doors are locked with the passive entry and start system or keyless entry function, the anti-theft system indicator light illuminates for approximately 10 seconds while the BCM is determining whether the anti-theft system operation conditions are met. After that, if the operation conditions are met, the indicator light starts flashing slowly and the anti-theft system is activated. On the other hand, if the anti-theft system operation conditions are not met, the indicator light flashes rapidly. If the BCM detects an internal malfunction in the anti-theft system indicator light output circuit, the DTC is set.

2. Condition for setting DTC B1718[49]

Condition for running the DTC

  • The BCM commands the anti-theft system indicator light ON.

Condition for setting the DTC

  • The BCM detects an internal malfunction in the anti-theft system indicator light output circuit.

3. Action taken when DTC B1718[49] sets

  • The anti-theft system indicator light turns OFF.
  • Current and past failures are set.
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