Pinpoint Test B : B1B57:11: Notes
WARNING: This page is about a different car, the 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Audio System/Navigation - With THX for schematic and connector information.
Normal Operation and Fault Conditions
The PAM supplies voltage to the front parking aid sensors and active park assist sensors via a common circuit.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1B57:11 | Front Sensors Power Circuit: Circuit Short To Ground | Sets in continuous memory and on-demand in the PAM when the front parking aid sensor voltage supply circuit is shorted to ground or to the signal return circuit. |
Possible Sources
- Wiring, terminals or connectors
- Front parking aid sensor
- Front active park assist sensor (if equipped)
- PAM (integral to the BCM)
NOTE:
Before disconnecting any of the parking aid sensors, verify the connectors are properly seated and latched.