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.
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HOMESERVICE MANUALSMERCURY2011MARINER PREMIER, 2.5 7, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDRIVER INFORMATION SYSTEM & ENTERTAINMENT SYSTEM DTCSFRONT DISPLAY INTERFACE MODULE (FDIM)
2011 Mercury Mariner Premier, 2.5 7, AWD
Front Display Interface Module (FDIM)
2011 Mercury Mariner Premier, 2.5 7, AWDSECTION Front Display Interface Module (FDIM)
FRONT DISPLAY INTERFACE MODULE (FDIM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1318 | Battery Voltage Low | Go to PINPOINT TEST AE . |
| B1342 | ECU is Faulted | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new Front Display Interface Module (FDIM). Refer to FRONT DISPLAY INTERFACE MODULE (FDIM) in this service information. TEST the system for normal operation. |
| B2477 | Module Configuration Failure | Refer to MODULE CONFIGURATION article. |
| U0140 | Lost Communication With Body Control Module (GEM ) | Go to PINPOINT TEST AA . |
| U0155 | Lost Communication With Instrument Panel Cluster (IC ) Control Module | Go to PINPOINT TEST AH . |
| U0164 | Lost Communication With HVAC Control Module (EATC ) | Go to PINPOINT TEST AR . |
| U0184 | Lost Communication With Radio (ACM ) | Go to PINPOINT TEST AS . |
| U0193 | Lost Communication With Digital Audio Control Module (SDARS ) | Go to PINPOINT TEST K . |
| U0197 | Lost Communication With Telephone Control Module | Go to PINPOINT TEST AO . |
| U2050 | No Application Present | Refer to MODULE CONFIGURATION article. |
| U2051 | One or More Calibration Files Missing / Corrupt | Refer to MODULE CONFIGURATION article. |
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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.