DTC B1021[56] EOL Data Failure (BCM)

1. DTC B1021[56] description

The vehicle information is programmed to allow the BCM to be used in various models. If the BCM detects that the vehicle information is not programmed, the DTC is set.

2. Condition for setting DTC B1021[56]

  • The BCM detects that the vehicle information has not been programmed.

3. Action taken when DTC B1021[56] sets

  • Current and past failures are set.