Pinpoint Test D: DTC (Diagnostic Trouble Code) B1B44:12, B1B46:12, B1B48:12, B1B50:12: Notes
Normal Operation and Fault Conditions
REFER to: Parking Aid - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B1B44:12 | Right Rear Outer Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the right rear outer parking aid sensor signal circuit is shorted to battery voltage. |
| B1B46:12 | Right Rear Inner Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the right rear inner parking aid sensor signal circuit is shorted to battery voltage. |
| B1B48:12 | Left Rear Outer Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the left rear outer parking aid sensor signal circuit is shorted to battery voltage. |
| B1B50:12 | Left Rear Inner Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the left rear inner parking aid sensor signal circuit is shorted to battery voltage. |
Possible Sources
- Wiring, terminals or connectors
- Parking aid sensor
- 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.