MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Information and Entertainment Systems

U0238:00

415-00B General Information -Vehicles With Touchscreen Display

2016 MustangReference 4,532 / 6,619HTML edition
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U0238:00

Normal Operation and Fault Conditions

REFER to: Information and Entertainment System (415-00B) . See Network Message Chart.

DTC Fault Trigger Conditions

Description

Fault Trigger Conditions

DTC Type

U0238:00 Lost Communication With Digital

Audio Control Module "D": No Sub Type Information

Set by the ACM and APIM when network messages are missing from the audio DSP module for more than 5 seconds with the ignition in RUN.

Continuous

DTC

Possible Source

Audio DSP module

PINPOINT TEST AT : U0238:00

AT1 VERIFY THE CUSTOMER'S CONCERN

Ignition ON. Verify there is an observable symptom present.

Is an observable symptom present?

Yes

GO to AT2

No

The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AT2 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0238:00

Ignition ON. Using a diagnostic scan tool, clear all Continuous Memory Diagnostic Trouble Codes (CMDTCs). Ignition OFF. Ignition ON. Wait at least 10 seconds. Using a diagnostic scan tool, retrieve all Continuous Memory Diagnostic Trouble Codes (CMDTCs).

Is DTC U0238:00 set in the ACM or APIM?

Yes

GO to AT3

No

The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition.

AT3 CHECK FOR BATTERY VOLTAGE OUT-OF-RANGE DIAGNOSTIC TROUBLE CODES (DTCS)

Source reference 4532

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.