Blind Spot Module (BSM)

B2199-16-BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD

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:
Blind Spot Sensor supply voltage less than 6.5 volts.





1. CHECK FOR AN ACTIVE DIAGNOSTIC TROUBLE CODE (DTC)
1. Turn the ignition on.
2. With the scan tool, read BSM DTCs.

Does the scan tool display this DTC as active?

Yes

- Go To 2

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.

2. VERIFY OPERATION OF THE VEHICLE CHARGING SYSTEM

NOTE: Troubleshoot any PCM charging/cranking DTCs before proceeding.

NOTE: Make sure the battery is fully charged.

Are any charging system DTCs present?

Yes

- Testing and Inspection Perform the appropriate diagnostic procedure.

No

- Replace the Blind Spot Module. Blind Spot Module - Removal.
- Perform the BODY VERIFICATION TEST. Body Verification Test.