Pinpoint Test B : One Turn Signal Lamp Is Inoperative Or Always On: 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 Turn Signal/Stop/Hazard Lamps for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B123A:11 | Left Front Turn Indicator: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the LH front turn lamp voltage supply circuit. |
| B123A:15 | Left Front Turn Indicator: Circuit Short To Battery Or Open | A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the LH front turn lamp voltage supply circuit. |
| B123B:11 | Right Front Turn Indicator: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the RH front turn lamp voltage supply circuit. |
| B123B:15 | Right Front Turn Indicator: Circuit Short To Battery Or Open | A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the RH front turn lamp voltage supply circuit. |
| B1247:11 | Left Rear Turn Indicator: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the LH rear turn lamp voltage supply circuit. |
| B1247:15 | Left Rear Turn Indicator: Circuit Short To Battery or Open | A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the LH rear turn lamp voltage supply circuit. |
| B1248:11 | Right Rear Turn Indicator: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the BCM detects a short to ground from the RH rear turn lamp voltage supply circuit. |
| B1248:15 | Right Rear Turn Indicator: Circuit Short To Battery or Open | A continuous memory and on-demand DTC that sets when the BCM detects an open or short to voltage from the RH rear turn lamp voltage supply circuit. |
| B1D06:11 | Left Turn Indicator: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the DDM detects an open or short to voltage from the LH exterior mirror turn lamp voltage supply circuit. |
| B1D07:11 | Right Turn Indicator: Circuit Short To Ground | A continuous memory and on-demand DTC that sets when the PDM detects an open or short to voltage from the RH exterior mirror turn lamp voltage supply circuit. |
| U1000:00 | Solid State Driver Protection Active -Driver Disabled: No Sub Type Information | This DTC sets when the BCM has temporarily shut down the output driver. The module has temporarily disabled an output because an excessive current draw exists (such as a short to ground). The BCM cannot enable the output until the cause of the short is corrected, the Diagnostic Trouble Codes (DTCs) have been cleared and a successful self-test is run. |
| U3000:49 | Control Module: Internal Electronic Failure | This DTC sets when the BCM has permanently shut down the output driver. The module has permanently disabled an output because an excessive current draw fault (such as a short to ground) has exceeded the limits that the BCM can withstand. CORRECT the cause of the excessive current draw before installing a new BCM. |
Possible Sources
- Bulb
- Headlamp assembly
- Rear lamp assembly
- Exterior mirror
- Wiring, terminals or connectors
- DDM
- PDM
- BCM