Pinpoint Test C : B1B44:00, B1B46:00, B1B48:00, B1B50:00: Notes

WARNING: This page is about a different car, the 2018 Ford Fiesta. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Parking Aid for schematic and connector information.

Normal Operation and Fault Conditions

The parking aid sensor DTC snapshot data contains a system status PID that provides more specific information about the possible cause of the DTC.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
B1B44:00	Right Rear Outer Sensor: No Sub Type Information	A continuous and on-demand DTC that sets when the BCM detects a fault with the right rear outer parking aid sensor or the associated signal return circuit. View the symptom status PID in the DTC snapshot data for more specific fault information.
B1B46:00	Right Rear Inner Sensor: No Sub Type Information	A continuous and on-demand DTC that sets when the BCM detects a fault with the right rear inner parking aid sensor or the associated signal return circuit. View the symptom status PID in the DTC snapshot data for more specific fault information.
B1B48:00	Left Rear Outer Sensor: No Sub Type Information	A continuous and on-demand DTC that sets when the BCM detects a fault with the left rear outer parking aid sensor or the associated signal return circuit. View the symptom status PID in the DTC snapshot data for more specific fault information.
B1B50:00	Left Rear Inner Sensor: No Sub Type Information	A continuous and on-demand DTC that sets when the BCM detects a fault with the left rear inner parking aid sensor or the associated signal return circuit. View the symptom status PID in the DTC snapshot data for more specific fault information.

Possible Sources

Wiring, terminals or connectors
Environmental conditions
Rear parking aid sensor
BCM

Visual Inspection and Diagnostic Pre-Checks

Before disconnecting the BCM or any of the parking aid sensors, verify the connectors are properly seated and latched.