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.
2018 Ford Fiesta STFACTORY OEM SERVICE PROCEDURE
With Rear Parking Aid
DTC INDEX
| DTC | Description | Action |
|---|---|---|
| B1B44:00 | Right Rear Outer Sensor: No Sub Type Information | GO to Pinpoint Test C |
| B1B46:00 | Right Rear Inner Sensor: No Sub Type Information | GO to Pinpoint Test C |
| B1B48:00 | Left Rear Outer Sensor: No Sub Type Information | GO to Pinpoint Test C |
| B1B50:00 | Left Rear Inner Sensor: No Sub Type Information | GO to Pinpoint Test C |
| B1B58:11 | Rear Sensors Power Circuit: Circuit Short To Ground | GO to Pinpoint Test B |
| All other BCM Diagnostic Trouble Codes (DTCs) | - | REFER to: Body Control Module (BCM) . |
Factory Service Tools
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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.
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