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 MANUALSMERCURY2010MARINER PREMIER, 2.5 7, FWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDTC INDEX (GLASS, FRAMES & MECHANISMS - MODULE CONFIGURATION)INFORMATION & ENTERTAINMENT SYSTEMS DTCSFRONT CONTROLS INTERFACE MODULE (FCIM) DTC CHART
2010 Mercury Mariner Premier, 2.5 7, FWD
Front Controls Interface Module (FCIM) DTC Chart
2010 Mercury Mariner Premier, 2.5 7, FWDSECTION Front Controls Interface Module (FCIM) DTC Chart
Front Controls Interface Module (FCIM) DTC Chart
| DTC | Description | Action |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module (GEM ): No Sub Type Information | GO to PINPOINT TEST AA . |
| U0184:00 | Lost Communication With Radio (ACM ): No Sub Type Information | GO to PINPOINT TEST AS . |
| U2013:63 | Switch Pack: Circuit/Component Protection Time-Out | GO to PINPOINT TEST R . |
| U2014:41 | Control Module Hardware: General Checksum Failure | CLEAR the DTCs. REPEAT the self-test. If DTC U2014:41 is retrieved again, INSTALL a new Front Controls Interface Module (FCIM). REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) . TEST the system for normal operation. |
| U201A:51 | Control Module Main Calibration Data: Not Programmed | CLEAR the DTCs. REPEAT the self-test. If DTC U201A:51 is retrieved again, INSTALL a new FCIM . REFER to FRONT CONTROLS INTERFACE MODULE (FCIM) . TEST the system for normal operation. |
| U3003:16 | Battery Voltage: Circuit Voltage Below Threshold | GO to PINPOINT TEST AD . |
| U3003:17 | Battery Voltage: Circuit Voltage Above Threshold | GO to PINPOINT TEST AN . |
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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.