AK2 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U016A:00

Yes	GO to AK2
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.

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 U016A:00 set in the APIM?

Yes	GO to AK3
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.

AK3 CHECK FOR BATTERY VOLTAGE OUT-OF-RANGE DIAGNOSTIC TROUBLE CODES (DTCS)

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

APIM GPSM

Are any low or high voltage Diagnostic Trouble Codes (DTCs) recorded in the APIM or GPSM?

Yes	• For DTC U3003:16, GO to Pinpoint Test AQ • For DTC U3003:17, GO to Pinpoint Test AR
No	GO to AK4

Yes

• For DTC U3003:16, GO to Pinpoint Test AQ

• For DTC U3003:17, GO to Pinpoint Test AR

GO to AK4

AK4 CHECK FOR CORRECT GPSM (GLOBAL POSITIONING SYSTEM MODULE) OPERATION

Ignition OFF. Disconnect and inspect the GPSM connector. Repair:

Corrosion (clean module pins or install new connectors or terminals) Damaged or bent pins (install new terminals or pins) Pushed-out pins (install new pins as necessary)

Reconnect the GPSM connector. Make sure it seats and latches 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 GPSM. REFER to: Global Positioning System Module (GPSM) (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. 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 GPSM. REFER to: Global Positioning System Module (GPSM) (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, 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.

Source reference 4231

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.