B128C-2A

B128C-2A-DRIVER BLIND SPOT SENSOR - SIGNAL STUCK IN RANGE

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

For more information on the operation of the Blind Spot Monitor System, Blind Spot Monitoring System - Operation

- When Monitored:
With the ignition on.

Vehicle speed greater than 9.6 km/h (6 mph).

- Set Condition:
The Blind Spot Module detects an internal failure with the Blind Spot Sensor.





CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)

NOTE: Before proceeding, check the vehicle for physical blockage on vehicle over Blind Spot Sensors.

1. Turn the ignition on.
2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes

- Replace the Left Rear Blind Spot Sensor. Blind Spot Sensor - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Test complete, the condition or conditions that originally set this DTC are not present at this time. Using the wiring diagrams as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension.
- Perform the BODY VERIFICATION TEST. Body Verification Test.