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.
2009 Ford Flex SEFACTORY OEM SERVICE PROCEDURE
Front Display Interface Module (FDIM) DTC Chart
DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1318 | Battery Voltage Low | Go To PINPOINT TEST AJ . |
| B1342 | ECU is Faulted |
NOTE:
Repair all other DTCs before diagnosing DTC B1342. CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is the only DTC retrieved, INSTALL a new Front Display Interface Module (FDIM
). REFER to FRONT DISPLAY INTERFACE MODULE (FDIM)
. REPEAT the self-test. |
| B2477 | Module Configuration Failure | REFER to MODULE CONFIGURATION |
| B2924 | Audio Button Stuck | DISREGARD the DTC. |
| U0140 | Lost Communication With Body Control Module (GEM ) | Go To PINPOINT TEST AE . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC ) Control Panel | Go To PINPOINT TEST AS . |
| U0164 | Lost Communication With HVAC Control Module (EATC ) | Go To PINPOINT TEST H . |
| U0184 | Lost Communication With Radio (ACM ) | Go To PINPOINT TEST AT . |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS ) | DISREGARD the DTC. |
| U0196 | Lost Communication With Entertainment Control Module - Rear (AUX) | Go To PINPOINT TEST AU . |
| U0197 | Lost Communication With Telephone Control Module | Go To PINPOINT TEST AQ . |
| U0238 | Lost Communication With Digital Audio Control Module "D" (DSP ) | Go To PINPOINT TEST AR . |
| U0249 | Lost Communication With Entertainment Control Module - Rear "B" (RCU ) | DISREGARD the DTC. |
| U2050 | No Application Present | REFER to MODULE CONFIGURATION . |
| U2051 | One or More Calibration Files Missing/Corrupt | REFER to MODULE CONFIGURATION . |
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.
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