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
Starting System DTCS
PCM DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P0617:12 | Starter Relay Circuit High: Circuit Short To Battery | Go to Pinpoint Test C . |
| P0850:00 | Park/Neutral Switch Input Circuit: No Sub Type Information | For vehicles without Intelligent Access (IA), Go to Pinpoint Test A . For vehicles with IAΒ , Go to Pinpoint Test B . |
| P0851:00 | Park/Neutral Switch Input Circuit Low: No Sub Type Information | For vehicles without IAΒ , Go to Pinpoint Test A . For vehicles with IAΒ , Go to Pinpoint Test B . |
| All other DTCs | - | REFER to ELECTRONIC ENGINE CONTROLS . |
TRANSMISSION CONTROL MODULE (TCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P0706:00 | Transmission Range Sensor A Circuit Range/Performance: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P0707:00 | Transmission Range Sensor A Circuit Low: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P0708:00 | Transmission Range Sensor A Circuit High: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P0709:00 | Transmission Range Sensor A Circuit Intermittent: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P2801:00 | Transmission Range Sensor B Circuit Range/Performance: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P2802:00 | Transmission Range Sensor B Circuit Low: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P2803:00 | Transmission Range Sensor B Circuit High: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| P2804:00 | Transmission Range Sensor B Circuit Intermittent: No Sub Type Information | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE . |
| All other DTCs | - | REFER to AUTOMATIC SHIFTING MANUAL TRANSMISSION/TRANSAXLE |
REMOTE FUNCTION ACTUATOR (RFA) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| P0615:12 | Starter Relay Circuit: Circuit Short to Battery | Go to Pinpoint Test C . |
| P1708:62 | Clutch Switch Circuit: Signal Compare Failure | Go to Pinpoint Test B . |
| All other DTCs | - | REFER to ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) . |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
