Conditions for Setting the DTC

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DTCs B0077 and B0078 will set when one of the following conditions occur:
- A valid ID message is not received within 5 seconds of the SIS being powered up.
- Status message is not received.
- The SDM has failed twice to reset the SIS.
DTCs B0079 and B0081 will set when one of the following conditions occur:
- The SDM has received an ID message from the SIS which does not match the ID stored in the SDM memory.
- When two SIS resets are attempted without the correct identification being detected by the SDM.
DTCs B0080 and B0082 will set when the SDM has received a NOK (Not OK) message from the SIS.