DTC Fault Trigger Conditions

U0184:00

Normal Operation and Fault Conditions

REFER to: Information and Entertainment System - System Operation and Component Description (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Description and Operation). See Network Message Chart.

Description	Fault Trigger Conditions
U0184:00 Lost Communication With Radio: No Sub Type Information	Set by the APIM and FCDIM when network messages are missing from the ACM for more than 5 seconds with the ignition in RUN.

Description

Fault Trigger Conditions

U0184:00 Lost Communication With Radio:

No Sub Type Information

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

DTC

Possible Source

ACM

PINPOINT TEST AL : U0184:00

AL1 VERIFY THE CUSTOMER'S CONCERN

Verify there is an observable symptom present.

Is an observable symptom present?

Yes	GO to AL2
No	The system is operating normally at this time. This DTC may have been set due to high network traffic or an intermittent fault condition.

AL2 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0184:00

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 U0184:00 set in the APIM?

Yes	GO to AL3
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.

AL3 CHECK FOR BATTERY VOLTAGE OUT-OF-RANGE DIAGNOSTIC TROUBLE CODES (DTCS)

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

ACM APIM

Source reference 4232

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.