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HOMESERVICE MANUALSFORD2007FUSION SEL, 2.3 Z, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONDTC INDEXINFORMATION & ENTERTAINMENT SYSTEM DTCSAUDIO UNIT DTCS

2007 Ford Fusion SEL, 2.3 Z, Standard

Audio Unit DTCS

2007 Ford Fusion SEL, 2.3 Z, StandardSECTION Audio Unit DTCS

ENTERTAINMENT SYSTEM (AUDIO UNIT) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description	Action
B1117	Audio Steering Wheel Button Stuck	INSPECT the steering wheel controls for a stuck button and REPAIR as necessary. If no concern is found, go to Pinpoint Test G .
B1119	Audio Disc DVD Player Thermal Shutdown	ALLOW the audio unit to cool. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B1136	Audio Steering Wheel Switch #2 Circuit Failure	Go to Pinpoint Test G .
B1140	Map Disk Invalid	INSERT a good known navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B1140 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
B1318	Battery Voltage Low	CLEAR the DTCs. REPEAT the self-test. If DTC B1318 is retrieved again, REFER to CHARGING SYSTEM - GENERAL INFORMATION to diagnose the low battery voltage condition.
B1342	ECU is Faulted	CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
B2103	Antenna Not Connected	Go to Pinpoint Test A .
B2204	GPS Antenna Connection Open or Short	Go to Pinpoint Test K .
B2274	Phone Transceiver Active Circuit Failure	DTC is not applicable. The vehicle is not equipped with cellular phone functionality. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2384	Audio Reverse Aid Mute Input CKT Failure	DTC is not applicable. The vehicle is not equipped with parking assist. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2404	Audio Steering Wheel Switch Circuit Fault	Go to Pinpoint Test G .
B2405	Audio Disc CD Player Thermal Shutdown Fault	ALLOW the audio unit to cool. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2406	Audio Disc CD Player Internal Fault	CLEAR the DTCs. REPEAT the self-test. If DTC B2406 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
B2477	Module Configuration Failure	REFER to MODULE CONFIGURATION to diagnose the module configuration.
B2633	Driver-Front Microphone Circuit Failure	DTC is not applicable. The vehicle is not equipped with voice-activated navigation. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
B2656	DVD (Digital Versatile Disk) Error	REMOVE the navigation map DVD. With a soft cloth, WIPE the DVD in an outward direction starting from the center. MAKE sure there are no fingerprints or scratches on the DVD surface. INSERT the DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, INSERT a known good navigation map DVD. CLEAR the DTCs. REPEAT the self-test. If DTC B2656 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
B2924	Audio Button Stuck	VERIFY no audio unit buttons are stuck and that no audio unit button is pressed during the self-test. CLEAR the DTCs. REPEAT the self-test. If DTC B2924 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
B2965	Audio System Speaker Circuit Fault	For the THX® audio system, go to Pinpoint Test C . For all others, go to Pinpoint Test B .
C1992	Vehicle Speed Circuit Failure	DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
P0812	Reverse Input Circuit	DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0140	Lost Communication With Body Control Module (GEM)	NOTE: Diagnose DTC B1318 (if present) before diagnosing this DTC. VERIFY the operation of the vehicle illumination and the accessory delay. If the vehicle illumination or accessory delay does not operate correctly, REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION (illumination) or GLASS, FRAMES AND MECHANISMS (accessory delay). If the vehicle illumination and accessory delay operate correctly, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
U0155	Lost Communication With Instrument Panel Cluster (IC) Control Module	NOTE: Diagnose DTC B1318 (if present) before diagnosing this DTC. VERIFY the operation of the speedometer. If the speedometer operates correctly, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair. If the speedometer does not operate correctly, REFER to INSTRUMENT CLUSTER to continue diagnosis.
U0159	Lost Communication With Parking Assist Control Module (PAM)	DTC is not applicable. The vehicle is not equipped with parking assist. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0193	Lost Communication With Digital Audio Control Module (SDARS)	NOTE: Diagnose satellite radio receiver or audio unit DTC B1318 (if present) before diagnosing this DTC. CARRY OUT the satellite radio receiver self-test using the scan tool. If the scan tool cannot communicate with the satellite radio receiver, REFER to MODULE COMMUNICATIONS NETWORK . If the scan tool does communicate with the satellite radio receiver, REMOVE the satellite radio receiver and SEND it to an authorized audio system repair facility. REFER to Satellite Radio Receiver . CLEAR the DTCs. REPEAT the audio unit self-test after the repair.
U0196	Lost Communication With Entertainment Control Module - Rear (AUX)	DTC is not applicable. The vehicle is not equipped with rear audio controls. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0197	Lost Communication With Telephone Control Module	DTC is not applicable. The vehicle is not equipped with cellular phone functionality. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U0238	Lost Communication With Digital Audio Control Module "D" (DSP)	NOTE: Diagnose THX® amplifier or audio unit DTC B1318 (if present) before diagnosing this DTC. CARRY OUT the THX® amplifier self-test using the scan tool. If the scan tool cannot communicate with the THX® amplifier, REFER to MODULE COMMUNICATIONS NETWORK . If the scan tool does communicate with the THX® amplifier, INSTALL a new THX® amplifier. REFER to Audio Amplifier - THX® . CLEAR the DTCs. REPEAT the audio unit self-test.
U0249	Lost Communication With Entertainment Control Module - Rear "B" (RCU)	DTC is not applicable. The vehicle is not equipped with rear audio controls. DISREGARD the DTC. CLEAR the DTCs. REPEAT the self-test.
U2050	No Application Present	CONFIGURE the audio unit. REFER to MODULE CONFIGURATION . REPEAT the self-test. If DTC U2050 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
U2051	One or More Calibration Files Missing/Corrupt	CONFIGURE the audio unit. REFER to MODULE CONFIGURATION . REPEAT the self-test. If DTC U2051 is retrieved again, REMOVE the audio unit and SEND it to an authorized audio system repair facility. REFER to REFER to Audio Unit - Fusion, Milan or Audio Unit - MKZ . TEST the system for normal operation after the repair.
U2473	Unexpected Vehicle Speed (VSS)	Go to Pinpoint Test O .

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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.