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.
2012 Ford Fiesta S, Standard TransFACTORY OEM SERVICE PROCEDURE
External Control
EXTERNAL CONTROL DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Component | Description | Condition | Symptom | Action |
|---|---|---|---|---|---|
| B2572 | Brake Shift Interlock | Brake Shift Interlock Output Circuit Failure | The associated circuitry connected to the Central Junction Box (CJB) or fuse, or the CJB itself may have an issue causing a brake shift interlock concern. | Brake shift interlock is inoperative or does not operate correctly. | Go to Pinpoint Test A . |
Factory Service Tools
Use the Manual With the Right Hardware
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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.