B129A

B129A-00-DRIVER BLIND SPOT SENSOR-INCOMPATIBLE VERSION



- When Monitored:
With the ignition on.

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

- Set Condition:
This fault will present itself during a reflashing session. When the flashing tool attempts to enter the programming session, the Blind Spot Module (BSM) will query the sensors for their bootloader version. If the returned version is not compatible with the BSM bootloader, the BSM will not allow the system to flash. This DTC will be set.





CHECK FOR ACTIVE DTC
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.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals.
- Perform the BODY VERIFICATION TEST. Body Verification Test.