FRONT CONTROL/DISPLAY INTERFACE MODULE (FCDIM) DTC CHART

DTC	Description	Action
U0155: 00	Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information	GO to Pinpoint Test V .
U0184: 00	Lost Communication With Radio: No Sub Type Information	GO to Pinpoint Test X .
U0256: 00	Lost Communication With Front Controls Interface Module "A": No Sub Type Information	GO to Pinpoint Test AB .
U201A: 51	Control Module Main Calibration Data: Not Programmed	REFER to MODULE CONFIGURATION .
U2100: 00	Initial Configuration Not Complete: No Sub Type Information	REFER to MODULE CONFIGURATION .
U2101: 00	Control Module Configuration Incompatible: No Sub Type Information	REFER to MODULE CONFIGURATION .
U3000: 41	Control Module: General Checksum Failure	CLEAR the DTCs. REPEAT the self-test. If DTC U3000: 41 is still present, INSTALL a new Front Control/Display Interface Module (FCDIM). REFER to Front Controls/Display Interface Module (FCDIM) . REPEAT the self-test.
U3000: 42	Control Module: General Memory Failure	CLEAR the DTCs. REPEAT the self-test. If DTC U3000: 42 is still present, INSTALL a new audio FCDIM. REFER to Front Controls/Display Interface Module (FCDIM) . REPEAT the self-test.
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 AE .

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.

Safety Warning

Front Control/Display Interface Module (FCDIM)