B2401moderate severityBody
Lane Departure Warning Calibration Required
on 2017 Chevrolet Impala 2.5L I4 Ecotec · AWD
What this code means
The lane departure warning camera requires recalibration, typically after windshield replacement or camera service.
Symptoms
- LDW system disabled
- Calibration warning message
- LDW not detecting lane markings
- System error after windshield replacement
Common causes
- Windshield replaced without camera recalibration
- Camera mounting bracket shifted
- Camera firmware update needed
- Alignment specification changed
Diagnostic steps
- Verify camera mounting bracket alignment
- Perform static or dynamic camera calibration
- Check for required calibration targets
- Verify calibration environment meets requirements
- Check for software updates
Repair notes
Perform ADAS camera calibration using manufacturer procedure. Static calibration requires specific targets and distances.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0005
Driver Knee Airbag Deployment Circuit