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.
2011 Ford Flex SEFACTORY OEM SERVICE PROCEDURE
Rear Entertainment Module (RETM)
REAR ENTERTAINMENT MODULE (RETM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B119D:04 | Single-Disc DVD Player: System Internal Failure | GO to PINPOINT TEST AC . |
| B119D:87 | Single-Disc DVD Player: Missing Message | GO to SYMPTOM CHART - FAMILY ENTERTAINMENT SYSTEM to diagnose the observed symptom. |
| B1350:04 | Single-Disc DVD #2: System Internal Failure | GO to PINPOINT TEST AC . |
| B1350:87 | Single-Disc DVD #2: Missing Message | GO to SYMPTOM CHART - FAMILY ENTERTAINMENT SYSTEM to diagnose the observed symptom. |
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | GO to PINPOINT TEST AE . |
| U0184:00 | Lost Communication With Radio: No Sub Type Information | GO to PINPOINT TEST AT . |
| U2004:63 | Auxiliary Switch Pack: Circuit/Component Protection Time-Out | GO to PINPOINT TEST BE . |
| U2013:63 | Switch Pack: Circuit/Component Protection Time-Out | GO to PINPOINT TEST BE . |
| U3000:04 | Control Module: System Internal Failure | CLEAR the DTCs. REPEAT the self-test. If DTC U3000:04 is retrieved again, INSTALL a new Rear Entertainment Module (RETM). REFER to REAR ENTERTAINMENT MODULE (RETM) in this service information. REPEAT the self-test. |
| U3000:41 | Control Module: General Checksum Failure | CLEAR the DTCs. REPEAT the self-test. If DTC U3000:41 is retrieved again, INSTALL a new Rear Entertainment Module (RETM). REFER to REAR ENTERTAINMENT MODULE (RETM) in this service information. REPEAT the self-test. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST AN . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST AM . |
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:
- 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.
