B0440low severityBody
Multi-Information Display Circuit
on 2008 Cadillac STS 3.6L V6 · FWD
What this code means
Malfunction in the multi-information display (MID) in the instrument cluster.
Symptoms
- Trip computer display blank
- Odometer display not working
- Menu information not showing
- Display shows garbled text
- Display dim or flickering
Common causes
- Display panel failure
- Cluster circuit board fault
- Display ribbon cable loose
- Power supply issue
- Software corruption
Diagnostic steps
- Attempt cluster reset
- Check cluster power supply
- Inspect display cable connections
- Test cluster communication
- Attempt software update
Repair notes
Replace instrument cluster display panel or entire cluster assembly.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open