Pinpoint Test A : DTC (Diagnostic Trouble Code) B129C:12, DTC (Diagnostic Trouble Code) B129D:12: Notes
WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Audio System/Navigation - With Touchscreen/Without Sony for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Parking Aid - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B129C:12 | Left Front Side Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets in the PAM when the left front active park assist sensor signal circuit is shorted to battery voltage. |
| B129D:12 | Right Front Side Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets in the PAM when the right front active park assist sensor signal circuit is shorted to battery voltage. |
Possible Causes
- Wiring, terminals or connectors
- Front active park assist sensor
- PAM (integral to the BCM)
NOTE:
Before disconnecting any of the active park assist sensors, verify the connectors are properly seated and latched.