DTC Chart

WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

4X4 CONTROL MODULE DTC CHART

DTC	Description	Action
B1317	Battery Voltage High	GO to PINPOINT TEST B .
B1318	Battery Voltage Low	GO to PINPOINT TEST B .
B1342	Electronic Control Unit (ECU) is Faulted	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new 4X4 control module. REFER to 4X4 CONTROL MODULE in this service information.
B2900	Vehicle Identification Number (VIN) Mismatch	CHECK the PCM configuration. REFER to MODULE CONFIGURATION -- FUSION MILAN & MKZ article.
P1635	Tire/Axle Out of Acceptable Range	GO to PINPOINT TEST F .
P1824	Four-Wheel Drive (4WD) Clutch Relay Circuit Failure	GO to PINPOINT TEST D .
P1825	4WD Clutch Relay Open Circuit	Check for a possible open fuse (B+). GO to PINPOINT TEST D .
U0100	Lost Communication with PCM or Transmission Control Module (TCM) (3.5L only)	REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose the lost communication with the PCM or TCM (3.5L only).
U0121	Lost Communication with Anti-lock Brake System (ABS) Control Module	REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose the lost communication with the ABS control module.
U0155	Lost Communication with IC Control Module	REFER to MODULE COMMUNICATIONS NETWORK -- FUSION, MILAN & MKZ article to diagnose the lost communication with the IC.
U0401	Invalid Data Received From PCM or TCM (3.5L only)	REFER to INTRODUCTION - GASOLINE MODELS article or INTRODUCTION -- FUSION HYBRID, MILAN HYBRID & MKZ HYBRID article to diagnose the accelerator position, engine coolant or keep alive memory fault.
U0415	Invalid Data Received From Anti-lock Brake System (ABS) Control Module	GO to PINPOINT TEST C .
U2050	No Application Present	REPLACE the 4X4 control module. REFER to 4X4 CONTROL MODULE in this service information. REPEAT the self-test.
U2051	One or More Calibration Files Missing/Corrupt	REPLACE the 4X4 control module. REFER to 4X4 CONTROL MODULE in this service information. REPEAT the self-test.