Circuit/System Verification
- Ignition ON.
- Verify no other DTC is set except for DTC B1011.
- If any other DTCs are set
Diagnose those first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If no other DTCs are set
- If any other DTCs are set
- Verify the scan tool can communicate with all equipped high speed GMLAN devices.
- If the scan tool does not communicate with high speed GMLAN devices
Refer to Scan Tool Does Not Communicate with High Speed GMLAN Device .
- If the scan tool communicates with all equipped high speed GMLAN devices
- If the scan tool does not communicate with high speed GMLAN devices
- Refer to Diagnostic Aids and Frontview Camera Disable History for what caused B1011 to set. Diagnose the system that set the malfunction.
NOTE:
Do not replace K109 Frontview Camera Module for this DTC. DTC B1011 is an information DTC.
NOTE:
When referring to Frontview Camera Disable History, some items such as Non-Driven Wheel Speed Signal Invalid and Driven Wheel Speed Signal Invalid may routinely be stored without B1011 being set. If B1011 has not set, disregard any information stored in the buffers as it is not indicative of a problem.