Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2014MUSTANG GT, 2D COUPE, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTANTI-THEFT SYSTEMSANTI-THEFT SYSTEM - PERIMETERDIAGNOSIS AND TESTINGANTI-THEFTDTC CHARTSSMART JUNCTION BOX (SJB) DTC CHART
2014 Ford Mustang GT, 2D Coupe, Automatic Trans
Smart Junction Box (SJB) DTC Chart
2014 Ford Mustang GT, 2D Coupe, Automatic TransSECTION Smart Junction Box (SJB) DTC Chart
| DTC | Description | Action |
|---|---|---|
| B1520 | Hood Switch Circuit Open | GO to PINPOINT TEST C . |
| B2100 | Door Driver Key Cylinder Switch Failure | GO to PINPOINT TEST A . |
| All other DTCs | - | REFER to the Diagnostic Trouble Code (DTC) Chart in MULTIFUNCTION ELECTRONIC MODULES . |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.