Symptom Charts

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.

Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to DIAGNOSTIC METHODS for information about these practices.

SYMPTOM CHART - GENERAL AUDIO SYSTEM

Condition	Possible Sources	Action
No communication with the Audio Front Control Module (ACM)	Fuse Wiring, terminals or connectors ACM	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Accessory Protocol Interface Module (APIM)	Fuse Wiring, terminals or connectors APIM	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Front Controls Interface Module (FCIM)	Fuse Wiring, terminals or connectors FCIM	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Front Display Interface Module (FDIM)	Fuse Wiring, terminals or connectors FDIM	REFER to MODULE COMMUNICATIONS NETWORK .
No communication with the Global Positioning System Module (GPSM)	Fuse Wiring, terminals or connectors GPSM	REFER to MODULE COMMUNICATIONS NETWORK .
The CD player is inoperative/does not operate correctly	CD ACM	INSPECT the CD for scratches, fingerprints, a loose paper label, incorrect format, or damage. INSERT a known good CD and TEST the system. If the system operates correctly, the concern was caused by a damaged CD. If the system does not operate correctly, INSTALL a new ACM. REFER to AUDIO CONTROL MODULE (ACM) . TEST the system for normal operation.
The Front Controls Interface Module (FCIM) illumination is inoperative	Backlighting system concern FCIM	REFER to INSTRUMENT CLUSTER AND PANEL ILLUMINATION .
The audio system does not operate correctly from the Front Controls Interface Module (FCIM)	Communication network concern FCIM	GO to PINPOINT TEST I .
An individual Front Display Interface Module (FDIM) display is inoperative (without navigation)	Communication network concern FDIM	GO to PINPOINT TEST J .
An individual Front Display Interface Module (FDIM) display is inoperative (with navigation)	Communication network concern FDIM ACM	GO to PINPOINT TEST K .
The audio system does not operate correctly from the Front Display Interface Module (FDIM) (with navigation)	Wiring, terminals or connectors FDIM ACM	GO to PINPOINT TEST L .
The Front Display Interface Module (FDIM) is inoperative (without navigation)	Communication network concern FDIM	GO to PINPOINT TEST M .
The Front Display Interface Module (FDIM) is inoperative (with navigation)	Fuse Wiring, terminals or connectors FDIM ACM	GO to PINPOINT TEST N .
The Front Display Interface Module (FDIM) illumination is inoperative (with navigation)	Wiring, terminals or connectors FDIM ACM	GO to PINPOINT TEST N .
The Front Display Interface Module (FDIM) does not display video from the Audio Front Control Module (ACM) (with navigation)	Wiring, terminals or connectors FDIM ACM	GO to PINPOINT TEST O .
Loud popping sound when cycling the ignition	Fuse Wiring, terminals or connectors Luggage compartment subwoofer amplifier ACM	GO to PINPOINT TEST R .
The steering wheel controls are inoperative/do not operate correctly	Wiring, terminals or connectors Clockspring Steering wheel controls ACM APIM (without navigation)	GO to PINPOINT TEST P .
The audio input jack is inoperative/does not operate correctly	Wiring, terminals or connectors Audio input jack APIM (with SYNC®) ACM (without SYNC®)	GO to PINPOINT TEST Q .
The speed sensitive volume does not operate correctly	Speed sensitive volume setting Vehicle Speed Sensor (VSS) signal concern Communication network concern ACM	GO to PINPOINT TEST S .
The ACM does not reduce the audio volume when the parking aid tone sounds	Parking aid system concern ACM	GO to PINPOINT TEST D .
Voice recognition is inoperative/does not operate correctly	Wiring, terminals or connectors Microphone (contained in the overhead console) Steering wheel controls ACM (with navigation) APIM (with SYNC®)	GO to PINPOINT TEST T .
The compass is inoperative or does not operate correctly	Fuse Wiring, terminals, or connectors Auto-dimming interior mirror FDIM IPC	REFER to INSTRUMENTATION, MESSAGE CENTER, AND WARNING CHIMES .

SYMPTOM CHART - NAVIGATION

Condition	Possible Sources	Action
No Global Positioning System (GPS) antenna signal	Satellite radio antenna cable Audio Front Control Module (ACM)	GO to PINPOINT TEST U .
The position cursor is inaccurate	GPS antenna concern Network message concern ACM	GO to PINPOINT TEST V .
The voice guidance is inoperative/does not operate correctly	Incorrect voice guidance setting ACM	GO to PINPOINT TEST W .
Voice recognition is inoperative/does not operate correctly	Wiring, terminals or connectors Microphone (contained in the overhead console) Steering wheel controls ACM Accessory Protocol Interface Module (APIM)	GO to PINPOINT TEST T .

SYMPTOM CHART - SATELLITE RADIO

Condition	Possible Sources	Action
Poor reception - satellite radio	Obstructions to the antenna line of sight Satellite radio antenna Satellite radio antenna cable ACM	GO to PINPOINT TEST B .
Continuous seek/scan - satellite radio	Obstructions to the antenna line of sight No channel found in the selected category Satellite radio antenna Satellite radio antenna cable ACM	GO to PINPOINT TEST B .
Poor sound quality/no sound while in satellite radio mode - all other functions operate correctly	Obstructions to the antenna line of sight Satellite radio antenna Satellite radio antenna cable ACM	GO to PINPOINT TEST B .
The satellite radio is inoperative/does not operate correctly	Subscription status ACM	GO to PINPOINT TEST H .

SYMPTOM CHART - SOUND QUALITY

Condition	Possible Sources	Action
Poor reception - AM/FM	Wiring, terminals or connectors AM/FM antenna AM/FM antenna cable Charging system Ignition system Noise suppression equipment Audio Front Control Module (ACM)	GO to PINPOINT TEST A .
Continuous seek/scan - AM/FM	No channel found in the selected category AM/FM antenna AM/FM antenna cable Noise suppression equipment ACM	GO to PINPOINT TEST A .
No sound from one or more speakers (not all speakers) - except luggage compartment subwoofer	Wiring, terminals or connectors Speaker(s) Audio DSP amplifier (Shaker/Shaker Pro) ACM	GO to PINPOINT TEST C .
No sound from the luggage compartment subwoofer	Fuse Wiring, terminals or connectors Luggage compartment subwoofer enclosure Luggage compartment subwoofer amplifier ACM	GO to PINPOINT TEST E .
No sound from all speakers	Fuse Wiring, terminals or connectors ACM Audio DSP amplifier (Shaker/Shaker Pro)	GO to PINPOINT TEST F .
Poor sound quality/distorted sound from one or more speakers (not all speakers)	Wiring, terminals, or connectors Speaker Loose trim panel fasteners Loose trim panels Loose speaker grill Loose harnesses Loose items in storage areas Loose harness fasteners Loose door and handle lock components Loose component fasteners Watershield bonding and placement	GO to PINPOINT TEST AU .

SYMPTOM CHART - SYNC® SYSTEM

Condition	Possible Sources	Action
The SYNC® system is inoperative (no response is received from phone, voice, and media inputs)	Customer's device Accessory Protocol Interface Module (APIM)	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST X .
The SYNC® system voice or tone prompts, TTS feature, or ringtones are inoperative or do not operate correctly	Customer's setting Wiring, terminals, or connectors Accessory Protocol Interface Module (APIM) ACM	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST AA .
During a phone call, no incoming audio is heard in the vehicle	Customer's setting Wiring, terminals, or connectors Accessory Protocol Interface Module (APIM) ACM	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST AA .
Voice recognition is inoperative or does not operate correctly	Wiring, terminals, or connectors Microphone (contained in the overhead console) ACM (with navigation) Accessory Protocol Interface Module (APIM)	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST T .
During a phone call, no outgoing audio is heard on the outside device	Wiring, terminals, or connectors Microphone (contained in the overhead console) Accessory Protocol Interface Module (APIM)	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST T .
No sound from all SYNC® audio sources (Bluetooth, USB, audio input jack)	Customer's device Wiring, terminals, or connectors Accessory Protocol Interface Module (APIM) ACM	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST G .
The SYNC® steering wheel switches are inoperative or do not operate correctly	Steering wheel switch Wiring, terminals, or connectors Clockspring ACM (with navigation) Accessory Protocol Interface Module (APIM) (without navigation)	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST P .
The audio input jack is inoperative or does not operate correctly (with SYNC®)	Customer's device Wiring, terminals or connectors Audio input jack APIM	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST Q .
The Universal Serial Bus (USB) port is inoperative or does not operate correctly	Customer's device Universal Serial Bus (USB) cable/port APIM	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST Z .
Unable to pair Bluetooth device	Incompatible Bluetooth device APIM	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, GO to PINPOINT TEST Y .
An individual Bluetooth device feature is inoperative (text messaging, media playback or controls, phone book download, call history, or call waiting)	Customer's device compatibility	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . If the concern is still present, INSTRUCT the customer to review the device compatibility list on the SyncMyRide website. It is normal operation for unsupported or incompatible Bluetooth features to be unavailable through the SYNC® system. If the inoperative feature is compatible, ADVISE the customer to check their device for firmware updates, and if required, reset their device following the manufacturer's instructions.
SYNC® AppLink™ is inoperative or does not operate correctly	Universal Serial Bus (USB) cable/port	PERFORM the ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET . REFER to ACCESSORY PROTOCOL INTERFACE MODULE (APIM) RESET .
	Customer's device	If the concern is still present, INSTRUCT the customer to review the mobile device platform, application, and application version compatibility list on the SyncMyRide website. It is normal operation for incompatible mobile device platforms, applications, and application versions to be unavailable through SYNC® AppLink™.
	APIM	If the mobile device platform, application, and application version are compatible, and the device is connected through Bluetooth only, GO to PINPOINT TEST Y . If the mobile device platform, application, and application version are compatible, and the device is connected through Bluetooth and the USB port, GO to PINPOINT TEST Z
911 Assist™ or Vehicle Health Report (VHR) is inoperative or does not operate correctly	Unregistered SYNC® owner account	Verify that the customer has a SYNC® Owner Account on the SyncMyRide website.
	RCM misconfiguration IPC misconfiguration	This error message appears due to incomplete or incorrect PMI procedures. CHECK the vehicle service history for recent service actions related to the IPC or RCM. If there have been recent service actions with the IPC or RCM, REPEAT/PERFORM the PMI procedure as directed by the diagnostic scan tool. REFER to PROGRAMMABLE MODULE INSTALLATION (PMI) . If there have been no recent service actions, INSTALL a new APIM to correct the failure to retain configuration data.