4A - Driver Blind Spot Sensor Incorrect Component Installed
B128C-4A - Driver Blind Spot Sensor Incorrect Component Installed
For a complete wiring diagram, refer to.
• When Monitored: With the ignition ON. Vehicle speed greater than 6 mph (9.6 km/h).
• Set Condition: The sensor installed is reporting an incompatible version which causes the blind spot module to continuously poll the sensors for the correct version.
Test Step 1 - Check For Active DTC
• Turn the ignition ON.
• With the scan tool, read blind spot module DTCs.
Does the scan tool display B128C - Driver Blind Spot Sensor Incorrect Component Installed?
Yes
• Install a new left rear blind spot sensor with proper software version to match the blind spot module. .
• Perform the Body Verification Test. Refer to => Non-DTC Based Diagnostics. Body Interior
No
• Test complete.