Possible Sources

DTC Description Fault Trigger Conditions DTC Type B1A07:01 Speaker #7: Set by the audio DSP module when a failure is detected on the On-demand General Electrical RHF door midwoofer or RHF A-pillar tweeter speaker circuits. Failure B1A07:11 Speaker #7: Circuit Set by the audio DSP module when a short to ground is Continuous and Short To Ground detected on the RHF door midwoofer or RHF A-pillar tweeter on-demand speaker circuits. When DTC B1A07:11 is set, the speaker output is disabled. B1A07:12 Speaker #7: Circuit Set by the audio DSP module when a short to voltage is Continuous and Short To Battery detected on the RHF door midwoofer or RHF A-pillar tweeter on-demand speaker circuits. When DTC B1A07:12 is set, the speaker output is disabled. B1A07:13 Speaker #7: Circuit Set by the audio DSP module when an open is detected on the On-demand Open RHF door midwoofer or RHF A-pillar tweeter speaker circuits.

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Speaker Wiring, terminals, or connectors ACM Audio DSP module

PINPOINT TEST O : THE RHF (RIGHT-HAND FRONT) DOOR MIDWOOFER SPEAKER IS INOPERATIVE

(EXCEPT 5.2L)

O1 CHECK THE AUDIO SIGNAL TO THE RHF (RIGHT-HAND FRONT) DOOR MIDWOOFER SPEAKER

Ignition OFF. Disconnect: RHF Door Midwoofer Speaker C613. Operate the audio system in AM/ FM mode. Measure:

Click to display connectors

Positive Lead	Measurement / Action	Negative Lead
C613-1		C613-3

Possible Sources — original illustration 1, reference 4414Original colors & callouts · Select to enlarge

Is a fluctuating AC voltage present?

Yes	INSTALL a new RHF door midwoofer speaker. REFER to: Front Door Speaker RH (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).
No	GO to O2

O2 CHECK THE AUDIO CIRCUITS TO THE RHF (RIGHT-HAND FRONT) DOOR MIDWOOFER SPEAKER FOR A SHORT TO VOLTAGE

Ignition OFF. Disconnect: Audio DSP Module C2385C. Disconnect: RHF A-Pillar Tweeter Speaker C9065. Ignition ON. Measure:

Source reference 4414

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.