Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

DTC B0103 for the EFS will set when one of the following conditions occur:
- A valid ID message is not received within 5 seconds of the EFS being powered up.
- Status message is not received.
- The SDM has reset the EFS twice without detecting a valid ID message.
DTC B0104 for the EFS will set when the SDM has received a NOK message from the EFS.
DTC B0105 for the EFS will set when one of the following conditions occur:
- The SDM has received an ID message from the EFS which does not match the ID stored in the SDM memory.
- The SDM has reset the EFS twice without detecting a correct ID message.