B2403
Blind Spot Monitor Calibration Required
2007-2011 Dodge Nitro 3.7L V6 🇨🇦
Moderate SeverityBody
Description
The blind spot monitoring system requires recalibration after sensor replacement or rear body repair.
Symptoms
- BSM system not functioning after repair
- Sensors not detecting vehicles
- False alerts or missed detections
- Calibration warning message
Common Causes
- Sensor replaced without calibration
- Rear bumper repair altered sensor alignment
- Rear collision shifted sensor mounting
- Sensor firmware update needed
Diagnostic Steps
- Verify sensor mounting alignment
- Perform BSM sensor calibration
- Check for rear body damage affecting sensor angle
- Use manufacturer calibration procedure
- Test system with dynamic road test
Repair Notes
Perform blind spot monitor calibration per manufacturer procedure.
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
B2403 on Other Vehicles
Common Questions
What does code B2403 mean on a 2007-2011 Dodge Nitro?
B2403 stands for "Blind Spot Monitor Calibration Required". The blind spot monitoring system requires recalibration after sensor replacement or rear body repair.
What are the symptoms of B2403 on a Dodge Nitro?
Common symptoms of B2403 include: BSM system not functioning after repair, Sensors not detecting vehicles, False alerts or missed detections, Calibration warning message.
What causes B2403 on a 2007-2011 Dodge Nitro?
Common causes of B2403 include: Sensor replaced without calibration, Rear bumper repair altered sensor alignment, Rear collision shifted sensor mounting, Sensor firmware update needed.