Pinpoint Test B : B1B57:11: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
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 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 the PAM or any of the parking aid sensors, verify the connectors are properly seated and latched.