Multi-Information Display Circuit
2007-2007 Cadillac CTS 3.2L V6
The 2007 Cadillac CTS is equipped with a 3.2L V6 engine. Below you'll find detailed b0440 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
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.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0440 on Other Vehicles
Common Questions
What does code B0440 mean on a 2007-2007 Cadillac CTS?
B0440 stands for "Multi-Information Display Circuit". Malfunction in the multi-information display (MID) in the instrument cluster.
What are the symptoms of B0440 on a Cadillac CTS?
Common symptoms of B0440 include: Trip computer display blank, Odometer display not working, Menu information not showing, Display shows garbled text, Display dim or flickering.
What causes B0440 on a 2007-2007 Cadillac CTS?
Common causes of B0440 include: Display panel failure, Cluster circuit board fault, Display ribbon cable loose, Power supply issue, Software corruption.
Last updated: March 2026