Conditions for Setting the DTC

All of the following conditions exist for 2.5 seconds:

B0085 02 or B0086 02

• The SIS has been shorted to ground.
• The SIS current has been above 23 mA for longer than 5 milliseconds.

B0085 05 or B0086 05

• The SIS has been shorted to voltage.
• The SIS circuit is open.
• The SDM has not received a message from the SIS for more than 375 milliseconds.

B0085 0F or B0086 0F 

The SDM has received erratic messages from the SIS.

B0085 39 or B0086 39

• The SDM has received a NOK message from the SIS.
• The SDM has not received a message.

B0085 3A or B0086 3A

• The SDM has received an ID message from the SIS which does not match the ID stored in the SDM memory.
• The SDM has reset the SIS twice without detecting the correct ID message.

B0085 71 or B0086 71 

The SDM has received invalid serial data from the SIS.