U0237:00

Is the concern still present?

Yes	CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ACM. REFER to: Audio Front Control Module (ACM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).
No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new ACM. REFER to: Audio Front Control Module (ACM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).

The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

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
U0237:00 Lost Communication With Digital Audio Control Module "C": No Sub Type Information	Set by the ACM and audio DSP module when network messages are missing from the DACMC for more than 5 seconds with the ignition in RUN.	Continuous

Description

Fault Trigger Conditions

DTC Type

U0237:00 Lost Communication With Digital

Audio Control Module "C": No Sub Type Information

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

Continuous

DTC

Possible Source

DACMC

PINPOINT TEST AS : U0237:00

AS1 VERIFY THE CUSTOMER'S CONCERN

Ignition ON. Verify there is an observable symptom present.

Is an observable symptom present?

Yes	GO to AS2
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.

AS2 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0237:00

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).

Source reference 4530

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.