DTC Fault Trigger Conditions

REFER to: Information and Entertainment System (415-00B) . See ANC, ANC Microphones, Audio DSP Module, and DACMC.

Description	Fault Trigger Conditions	DTC Type
U3000:92 Control Module: Performance or Incorrect Operation	Set by the DACMC when a fault is detected with the ANC system when running the Active Diagnostics Test.	On-demand
U3000:94 Control Module: Unexpected Operation	Set by the DACMC when a fault is detected with the ANC system.	Continuous

Description

Fault Trigger Conditions

DTC Type

U3000:92 Control Module: Performance

or Incorrect Operation

Set by the DACMC when a fault is detected with the ANC system when running the Active Diagnostics Test.

On-demand

U3000:94 Control Module: Unexpected

Operation

Set by the DACMC when a fault is detected with the ANC system.

Continuous

DTC

Possible Source

Improper ANC microphone installation or damage Wiring, terminals, or connectors DACMC Audio DSP module

Visual Inspection and Diagnostic Pre-checks

The ANC system may not be compatible with speakers, other audio system components, and audio system architectures not approved by Ford. Ensure that no modifications have been made to the audio system. Inspect the LHF, RHF, RHR, and LHR door midwoofer speaker locations for items that may be blocking the speaker sound output.

PINPOINT TEST F : A LOW FREQUENCY NOISE IS HEARD FROM THE AUDIO SYSTEM

F1 CHECK FOR ANC (ACTIVE NOISE CONTROL) MICROPHONE DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT IN THE DACMC (DIGITAL AUDIO CONTROL MODULE C) OR SPEAKER DIAGNOSTIC TROUBLE CODES (DTCS) PRESENT IN THE AUDIO DSP (AUDIO DIGITAL SIGNAL PROCESSING MODULE) MODULE

Using a diagnostic scan tool, perform the self-test for the following modules:

DACMC Audio DSP module

Are any ANC microphone Diagnostic Trouble Codes (DTCs) recorded in the DACMC or any speaker Diagnostic Trouble Codes (DTCs) recorded in the audio DSP module?

Yes	• For DACMC Diagnostic Trouble Codes (DTCs), REFER to: Information and Entertainment System (415-00B) . See DTC Chart: DACMC. • For audio DSP module Diagnostic Trouble Codes (DTCs), REFER to: Information and Entertainment System (415-00B) . See DTC Chart: Audio DSP Module.
No	GO to F2

Yes

• For DACMC Diagnostic Trouble Codes (DTCs), REFER to: Information and Entertainment System (415-00B) . See DTC Chart: DACMC.

• For audio DSP module Diagnostic Trouble Codes (DTCs), REFER to: Information and Entertainment System (415-00B) . See DTC Chart: Audio DSP Module.

GO to F2

F2 VERIFY IF THE CONCERN IS RELATED TO THE ANC (ACTIVE NOISE CONTROL) SYSTEM

Close the luggage compartment lid and all doors. Ignition ON. Turn the audio system off. Determine if an observable symptom is present. Enable the ANC system by starting the vehicle.

Source reference 4373

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.