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 Mustang Base, 2D Convertible, Automatic TransFACTORY OEM SERVICE PROCEDURE
Starting System DTCS
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P0512 | Starter Request Circuit | GO to PINPOINT TEST A . |
| P0705 | Transmission Range (TR) Sensor A Circuit (PRNDL Input) | Refer to the appropriate Automatic Transmission article for the procedure. |
| P0708 | TR Sensor A Circuit High | Refer to the appropriate Automatic Transmission article for the procedure. |
| P0830 | Clutch Pedal Switch A Circuit | GO to PINPOINT TEST A . |
| P1260 | Theft Detected, Vehicle Immobilized | REFER to the DTC Chart in ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM . All other PCM DTCs, REFER to ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS . |
| P1702 | TR Sensor Circuit Intermittent | Refer to the appropriate Automatic Transmission article for the procedure. |
| P1704 | TR circuit is not indicating PARK/NEUTRAL during self-test | Refer to the appropriate Automatic Transmission article for the procedure. |
| P1705 | TR circuit is not indicating PARK/NEUTRAL during self-test | Refer to the appropriate Automatic Transmission article for the procedure. |
| P1921 | TR Signal | Refer to the appropriate Automatic Transmission article for the procedure. |
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.