Instrument Cluster General Malfunction
2007-2012 Nissan Altima 2.5L I4
Description
A general fault detected in the instrument cluster module. Multiple gauges or indicators may be affected.
Symptoms
- Multiple gauges not working
- Instrument cluster dark
- Gauges reading incorrectly
- Warning lights erratic
- Odometer display blank
Common Causes
- Instrument cluster internal failure
- Power supply issue to cluster
- Communication bus fault
- Corroded cluster connector
- Software corruption
Diagnostic Steps
- Check cluster power and ground
- Scan cluster for stored codes
- Test CAN bus communication to cluster
- Inspect cluster connector for corrosion
- Attempt cluster self-test if available
Repair Notes
Replace instrument cluster or repair power supply. Cluster may need to be programmed with vehicle mileage.
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
B0400 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code B0400 mean on a 2007-2012 Nissan Altima?
B0400 stands for "Instrument Cluster General Malfunction". A general fault detected in the instrument cluster module. Multiple gauges or indicators may be affected.
What are the symptoms of B0400 on a Nissan Altima?
Common symptoms of B0400 include: Multiple gauges not working, Instrument cluster dark, Gauges reading incorrectly, Warning lights erratic, Odometer display blank.
What causes B0400 on a 2007-2012 Nissan Altima?
Common causes of B0400 include: Instrument cluster internal failure, Power supply issue to cluster, Communication bus fault, Corroded cluster connector, Software corruption.