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 L4-1.6LFACTORY OEM SERVICE PROCEDURE
Body Control Module
- Testing and Inspection
- Initial Inspection and Diagnostic Overview
- Symptom Related Diagnostic Procedures
- Pinpoint Tests
- Pinpoint Test A: DTC P1397:00
- Pinpoint Test B: DTC U0121:00
- Pinpoint Test C: DTC U0155:00
- Pinpoint Test D: DTC U0167:00
- Pinpoint Test E: DTC U0257:00
- Pinpoint Test F: DTC U3003:16
- Pinpoint Test G: DTC U3003:17
- Pinpoint Test H: DTC P0560:16
- Pinpoint Test I: DTC P0560:17
- Pinpoint Test J: DTC U0100:00
- Pinpoint Test K: DTC U0101:00
- Pinpoint Test L: DTC U0121:00
- Pinpoint Test M: DTC U0140:00
- Pinpoint Test N: DTC U0155:00
- Pinpoint Test O: DTC U3003:16
- Pinpoint Test P: DTC U3003:17
- Pinpoint Test Q: DTC U3003:62
- Locations
- Service and Repair
- Diagrams
- Technical Service Bulletins
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.