Conditions for Setting the DTC

B0077 and B0078

• 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.

B0079 and B0081

• The SDM has received an ID message from the SIS that 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.

B0080 and B0082 

Will set when the SDM has received a NOK (Not OK) message from the SIS.