DTC Fault Trigger Conditions
Description | Fault Trigger Conditions |
|---|---|
B1046:11 Front Fog Lamp Control Switch: Circuit Short To Ground | A continuous and on-demand DTC that sets when the BCM detects a short to ground on the headlamp switch input circuits. |
B1147:15 Left Front Fog Lamps: Circuit Short To Battery or Open | A continuous memory and on-demand DTC that sets when the BCM detects an open from the LH fog lamp output circuit. |
B1148:15 Right Front Fog Lamps: Circuit Short To Battery or Open | A continuous and on-demand DTC that sets when the BCM detects a short to voltage from the RH fog lamp beam output circuit. |
DTC
Possible Sources
Wiring, terminals or connectors Headlamp switch BCM
Visual Inspection and Diagnostic Pre-checks
Inspect the headlamp switch for damage.
PINPOINT TEST D : THE FRONT FOG LAMPS ARE ON CONTINUOUSLY
D1 CHECK THE HEADLAMP SWITCH
Ignition OFF. Disconnect: Headlamp Switch C205. Carry out the headlamp switch component test. Refer to Wiring Diagrams Cell 149 for schematic and connector information.
Does the headlamp switch pass the component test?
Yes | GO to D2 |
|---|---|
No | INSTALL a new headlamp switch. REFER to: Headlamp Switch (417-01 Exterior Lighting, Removal and Installation). |
D2 CHECK THE FOG LAMP VOLTAGE SUPPLY CIRCUITS FOR A SHORT TO VOLTAGE
Ignition OFF. Disconnect: BCM C2280G. Ignition ON.
Do the fog lamps continue to illuminate?
Yes | GO to D3 |
|---|---|
No | REPAIR the circuits. |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.