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.