Is DTC U0257:00 still present?
Yes | GO to O6 |
|---|---|
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. |
O6 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0257 SET IN OTHER MODULES
Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs). Ignition OFF. Ignition ON. Wait 10 seconds. Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (CMDTCs) from all modules.
Is DTC U0257 set in any other module?
Yes | GO to O7 |
|---|---|
No | GO to O8 |
O7 CHECK FOR CORRECT FCDIM (FRONT CONTROL/DISPLAY INTERFACE MODULE) OPERATION
Ignition OFF. Disconnect and inspect the FCDIM connectors and related in - line connectors. Repair:
corrosion (install new connector or terminals – clean module pins) damaged or bent pins – install new terminals/pins pushed-out pins – install new pins as necessary
Reconnect the FCDIM connectors and related in - line connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.
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 FCDIM. REFER to: Front Control/Display Interface Module (FCDIM) (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Removal and Installation). |
|---|---|
No | The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues. |
O8 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
Ignition OFF. Disconnect and inspect all BCM connectors and related in - line connectors. Repair:
corrosion (install new connector or terminals – clean module pins) damaged or bent pins – install new terminals/pins pushed-out pins – install new pins as necessary
Reconnect the BCM connectors and related in - line connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.
Is the concern still present?
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.